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    Biotechnology Patents:
Technology, Written Description,
 and Patentable Subject Matter
University of Washington School of Law
         Advanced Patent Law

                           Gary M. Myles, Ph.D.
                    Schwabe, Williamson & Wyatt
                                February 1, 2010
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Topics Covered
• Biotechnology Primer
  – The Technology of Biotechnology
  – Biotechnology Products
• Written Description Requirement
  – U. of California v. Eli Lilly (Fed. Cir. 1997), Superenablement
  – Enzo v. Gen-Probe (Fed. Cir. 2002), Rader Dissent
  – Ariad v. Lilly (Fed. Cir. 2009)
• Patentable Subject Matter
  –   In re Bilski (Fed. Cir. 2008), Patentability of Method Claims
  –   Classen v. Biogen (Fed. Cir. 2008)
  –   Prometheus v. Mayo (Fed. Cir. 2009)
  –   Ariad v. Lilly (D. Mass, 2007)
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     A Biotechnology Primer




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Biotechnology vs. Pharmaceutical

• Biotechnology: The use of
  biomolecules to treat disease

• Pharmaceutical: The use of small
  molecules to treat disease



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What are Biomolecules?
• Genetic Material
  – DNA
  – RNA
• Proteins
  – Receptors and Ligands
  – Enzymes
  – Antibodies
• Lipids
• Carbohydrates
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The Eukaryotic Cell




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DNA




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The Central Dogma of Molecular Biology




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The Genetic Code




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Amino Acids are the Building Blocks of Proteins




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Proteins are Linear Polymers of Amino Acids




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Proteins adopt Three-dimensional Structures




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   Therapeutic Biotech Products
• Nucleic Acid-based Therapeutics
  – DNA-based Cancer Vaccines
  – RNAi and antisense
  – Viral Vectors for Gene Therapy
• Protein-based Therapeutics
  – Cytokines and Soluble Receptors
  – Vaccines against Infectious Disease
  – Antibodies and other Immunotherapeutics


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                                                       • Therapeutic Proteins
                                                         are expressed
                                                         through Recombinant
                                                         DNA Technology




                                                                           Recombinant Protein



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Seattle Biotechnology Products Approved for
            Marketing by the FDA
BEXXAR                  Corixa/GlaxoSmithKline                          CD20-positive
                                                                        Non-Hodgkins Lymphoma

Cialis                  ICOS/Eli Lilly                                  Erectile Dysfunction           Nov 2003

Enbrel                  Immunex/Amgen                                   Rheumatoid Arthritis           Nov. 1998

Recothrom               ZymoGenetics                                    Surgical Bleeding              May 2008

Provenge                Dendreon                                        Prostate Cancer                Pending




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Recombinant Proteins as Therapeutics
• Rheumatoid Arthritis




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Recombinant Proteins as Therapeutics
                                                          • Cytokines, such as
                                                            tumor necrosis factor,
                                                            promote an
                                                            inflammatory
                                                            response
                                                          • Causes the clinical
                                                            problems associated
                                                            with autoimmune
                                                            disorders such as
                                                            rheumatoid arthritis

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Enbrel – Soluble TNF-R




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Recombinant Proteins as Therapeutics

• Enbrel (Immunex/Amgen)
  – Recombinant soluble TNF•-R
  – Binds soluble, extracellular TNF• thereby
    preventing its binding to cellular TNF •-R
  – Therapeutic efficacy for the auto-immune
    disease rheumatoid arthritis (RA)




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Antibodies




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Anti-CD20 Antibodies
• Non-Hodgkin’s Lymphoma
  – B-cells expressing CD20, a phosphoprotein
    found on the surface of >90% of B cells from
    peripheral blood or lymphoid organs




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Rituxan




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Bexxar (Corixa/GlaxoSmithKline)




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                  Cialis (Lilly/ICOS)

                                                            • Cialis is a
                                                              phosphodiesterase
                                                              type 5 (PDE5)
                                                              inhibitor marketed
                                                              for treating erectile
                                                              dysfunction




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Levitra




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      Patentability of Biotech
            Inventions




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           The Statutory Requirements
                 for Patentability
• Prior Art
   – 35 U.S.C. § 102 Novelty
      • Single reference
      • Discloses every element of claimed invention
   – 35 U.S.C. § 103 Non-obviousness
      • Multiple references
      • Predictability
      • Motivation to combine
      • Teach or suggest claimed invention
      • Reasonable expectation of success

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             The Statutory Requirements
                   for Patentability
• Disclosure Requirements
  – 35 U.S.C. § 101 Patentability/Utility
     • Statutory subject matter
     • Specific, substantial, and credible utility
  – 35 U.S.C. § 112, ¶ 1 Specification
     • Enablement
     • Written Description
     • Best Mode
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      35 U.S.C. § 112, ¶ 1
Written Description Requirement




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35 U.S.C. § 112, ¶ 1 Written Description

The SPECIFICATION shall contain a written
  description of the invention, and of the manner
  and process of making and using it, in such full,
  clear, concise, and exact terms as to enable any
  person skilled in the art to which it pertains
  … to make and use the same, and shall set
  forth the best mode contemplated by the
  inventor of carrying out his invention.


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U. of California v. Lilly (Fed. Cir. 1997)
  • Facts
    – UC disclosed:
          • Cloned rat cDNA encoding insulin protein
          • Amino acid sequences of human insulin protein
          • General method for obtaining the human cDNA
    – UC claimed:
      1. A recombinant plasmid replicable in procaryotic
      host containing within its nucleotide sequence a
      subsequence having the structure of the reverse
      transcript of an mRNA of a vertebrate, which mRNA
      encodes insulin.
      5. A recombinant procaryotic microorganism modified
      so that it contains a nucleotide sequence having the
      structure of the reverse transcript of an mRNA of a
      human, which mRNA encodes insulin.
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U. of California v. Lilly (Fed. Cir. 1997)

• District Court
  – Held claims invalid under § 112, ¶ 1,
    because “the specification, although it
    provided an adequate written description of
    rat cDNA, did not provide an adequate
    written description of the cDNA required by
    the asserted claims.”




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U. of California v. Lilly (Fed. Cir. 1997)
• Federal Circuit Upholds District Court
   – Claim 5 invalid
      • “whether or not [Example 6] provides an enabling disclosure,
        it does not provide a written description of the cDNA encoding
        human insulin.”
   – Claim 1 invalid
      • A description of rat insulin cDNA is not a description of the
        broad classes [genra] of vertebrate or mammalian insulin
        cDNA
      • A description of a chemical genus ‘requires a precise
        definition, such as by structure, formula, [or] chemical name.’
        Quoting, Fiers v. Revel 984 F.2d at 1171




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U. of California v. Lilly (Fed. Cir. 1997)

• Written description becomes a super-
  enablement requirement




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Enzo v. Gen-Probe (Fed. Cir. 2002)
• Rader Dissent
  – History of the Written Description Requirement
     • “Written description” first appears in Patent Act of
       1793
     • Evans v. Eaton (1822), S. Ct. construed
       description requirement to be an enablement
       requirement
     • J.E.M. AG Supply (2001), S. Ct. acknowledged
       only enablement as the disclosure quid pro quo of
       Patent Act



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Enzo v. Gen-Probe (Fed. Cir. 2002)
• Rader Dissent, cont.
  – In re Ruschig (1967), CCPA first separated new WD
    requirement from enablement
      • To police priority: Whether new claim/amended
        claim entitled to priority
      • Converted § 132 new matter rejection into § 112
        WD rejection
      • “The function of the description requirement is to
        ensure that the inventor had possession, as of the
        filing date of the application relied on, of the
        specific subject matter later claimed by him.”
        Judge Rich
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Enzo v. Gen-Probe (Fed. Cir. 2002)
• Rader Dissent, cont.
  – In re Kaslow (Fed. Cir. 1983)
      • “The test for determining compliance with the WD
        requirement is whether the disclosure of the
        application as originally filed reasonably conveys to
        the artisan that the inventor had possession at the
        time of the later claimed subject matter, rather
        than the presence or absence of literal support in
        the specification for the claim language.”


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Ariad v. Lilly (Fed. Cir. 2009)
• Ariad Claims:
  95. [A method for reducing, in eukaryotic cells,
   the level of expression of genes which are
   activated by extracellular influences which
   induce NF-•B-mediated intracellular signaling,
   the method comprising reducing NF-•B activity
   in the cells such that expression of said genes
   is reduced], carried out on human cells.


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Ariad v. Lilly (Fed. Cir. 2009)
• District Court
  – April 28, 2006, held claims infringed and not
    invalid for anticipation, lack of enablement,
    and lack of written description
  – August 2006, held claims directed to
    patentable subject matter (see below)




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Ariad v. Lilly (Fed. Cir. 2009)
•   Federal Circuit
    – In Rochester v. Searle, held similar method
      claims invalid for lack or written description
      “A method for selectively inhibiting PGHS-2
      activity in a human host, comprising
      administering a non-steroidal compound that
      selectively inhibits activity of the PGHS-2
      gene product to a human host in need of
      such treatment.”

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Ariad v. Lilly (Fed. Cir. 2009)
• Federal Circuit
  – Rochester v. Searle, cont.
  – Patent disclosure did not disclose any suitable
    compounds
  – Moreover, “Rochester did not present any
    evidence that the ordinarily skilled artisan
    would be able to identify any compound based
    on [the specification’s] vague functional
    description.”

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Ariad v. Lilly (Fed. Cir. 2009)
• Federal Circuit
  – “Regardless of whether the asserted claims recite a
    compound, Ariad still must describe some way of
    performing the claimed methods. … the
    specification suggests only the use of the three
    classes of molecules*** to achieve NF-•B reduction.”
  – *** The three classes of molecules include
      • Specific Inhibitors
      • Dominantly interfering molecules
      • Decoy molecules


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Ariad v. Lilly (Fed. Cir. 2009)
• Federal Circuit
  “Thus, to satisfy the written description
  requirement for the asserted claims, the
  specification must demonstrate that Ariad
  possessed the claimed methods by
  sufficiently disclosing molecules capable of
  reducing NF-•B activity.” Capon

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Ariad v. Lilly (Fed. Cir. 2009)
• Federal Circuit
  “A vague functional description and an invitation
    for further research does not constitute written
    disclosure of a specific inhibitor.
                          ***
    written description requires more than a ‘mere
    wish or plan for obtaining the claimed
    chemical invention.’ ” UC v. Eli Lilly

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Ariad v. Lilly (Fed. Cir. 2009)
• Federal Circuit
  – Judge Linn’s Concurrance
  “I write separately to emphasize … my belief that our
     engrafting of a separate written description
     requirement onto 35 USC 112, paragraph 1 is
     misguided.
                               ***
     [S]ection 112, paragraph 1 requires no more of the
     specification than a disclosure that is sufficient to
     enable a person having ordinary skill in the art to
     make and use the invention.”

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Ariad v. Lilly (Fed. Cir. 2009)
• Ariad appeals to Federal Circuit for en banc
  review
  – Whether 35 U.S.C. § 112, ¶ 1, contains a written
    description requirement separate from an enablement
    requirement
  – If a separate written description requirement is set
    forth in the statute, what is the scope and purpose of
    the requirement?
• On August 21, 2009, Federal Circuit grants en
  banc review, vacating the court’s April 3, 2009
  opinion

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Ariad v. Lilly (Fed. Cir. 2009)
• Ariad Amicus Brief
• Lilly Amicus Brief




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Practice Tips – Claim Drafting

 • Broad claims • Better claims
 • The goal is to get valid claims that will
   read on a competitor’s infringing
   composition/method/device




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Practice Tip –
Draft Nested Claims from Broad to
Narrow
                1. Broad Independent Claim

                2. Narrow Dependent Claim

                3. Still Narrower Dependent Claim

                4. Narrowest “Picture” Claim

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Practice Tips – The Specification
 • Support broad claims with multiple
   actual and prophetic examples
   representative of the full claim scope




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Practice Tip --
Disclosure of Single Embodiments is Risky



                              Claim Construction
                                                                           OK if construed reads on:
                                                                           · Your commercial product
                                                                           · Competitor’s commercial product


                              35 U.S.C. § 112, ¶1




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                                                                                          “Invalid”
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Practice Tip --
Disclose Multiple Embodiments

                            Claim Construction




                            35 U.S.C. § 112, ¶1



                                                                               “Not Invalid”
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         35 U.S.C. § 101
Utility/Patentable Subject Matter




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       35 U.S.C. §101 Inventions
           Patentable/Utility
Whoever invents or discovers any new and
 useful process, machine, manufacture, or
 composition of matter, or any new and
 useful improvement thereof, may obtain a
 patent therefor, subject to the conditions
 and requirements of this title


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The Utility Requirement
• Historically was rarely an obstacle to a
  patent
• In the late 1990s, became a substantial
  hurdle in chemistry and biotechnology




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The Utility Requirement
• Lowell v. Lewis (MA 1817), Justice Story
  – “All that the law requires is, that the invention
    should not be frivolous or injurious to the well-
    being, good policy, or sound morals of society.
    … But if the invention steers wide of these
    objections, whether it be more or less useful is a
    circumstance very material to the interest of the
    patentee, but of no importance to the public. If it
    not be extensively useful, it will silently sink into
    contempt and disregard.”


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    The Utility Requirement
•    Brenner v. Manson (S. Ct., 1966), Justice Fortas
     –   Due to the unpredictability of the art, disclosure not sufficient
         to show likelihood that the steroid produced would function
         similar to its homologues (i.e. no credible utility).
     –   “A process patent in the chemical field, which has not been
         developed and pointed to the degree of specific utility,
         creates a monopoly of knowledge which should be granted
         only if clearly commanded by the statute.”
     –   “The basic quid pro quo contemplated by the Constitution
         and Congress for granting a patent monopoly is the benefit
         derived by the public from an invention with substantial
         utility.”


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The Utility Requirement
•   Utility Guidelines (USPTO 1999)
    – An invention fulfills the utility requirement if:
       •     The invention has a well-established use (well
             known, immediately apparent) in the art
                                 OR
       •     The applicant has disclosed
             –     a specific utility for the subject matter claimed
             –     a substantial, real world, utility
             –     A credible utility that is logical, factual, operable to a
                   PHOSA



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      35 U.S.C. §101 Inventions
          Patentable/Utility
Whoever invents or discovers any new and
 useful process, machine, manufacture,
 or composition of matter, or any new and
 useful improvement thereof, may obtain
 a patent therefor, subject to the conditions
 and requirements of this title


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           Patentable Subject Matter:
            Fundamental Principles
•   Funk Bros. v. Kalo (S.Ct. 1948)
    – Mixed culture of root-nodule bacteria for inoculating seeds of
      leguminous plants
         • No patentable subject matter
             – Each species infects same group of plants
             – No species acquires a different use
             – No change in the individual bacteria
             – No change in their individual utilities
             – Use in combination does not improve natural functioning
    – “Manifestations of nature are free to all men and reserved exclusively to
      none”
         • Laws of nature
              – E = mc2
              – Law of gravity
         • Physical phenomena
         • Principles
         • Abstract ideas
         • Products of nature

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     Patentable Subject Matter:
      Fundamental Principles
• Diamond v. Chakrabarty (S.Ct. 1980)
  – Chakrabarty:
    • Created oil-eating bacterium
    • Claimed “a bacterium from the genus Pseudomonas
      containing therein at least two stable energy-
      generating plasmids, each of said plasmids providing
      a separate hydrocarbon degradative pathway.”




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            Patentable Subject Matter:
             Fundamental Principles
• Diamond v. Chakrabarty (S.Ct. 1980), cont.
  – USPTO
     • Rejected claim because a bacterium is
        – A “product of nature”
        – A living thing
  – Supreme Court
     • Upholds validity of Chakrabarty’s claim
        – “Anything under the sun that is made by man”


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        Are These Inventions Patentable?
•   “Biologically pure” bacterial culture
     – Yes per CCPA in In re Bergy (1977)
     – The culture is not a “product of nature” because the culture did not exist in nature in
         its pure form

•   “Purified and isolated” DNA sequences
     – Yes per Fed. Cir. In Amgen v. Chugai (1991)

•   “Purified and isolated” stem cells
     – Yes per USPTO (see, Q. Todd Dickinson,
        www.ogc.doc.gov/ogc/legreg/testimon/106f/dickinson0112.htm)

•   Hydrostatically altered Pacific polyploid oysters, which grow larger than normal oysters
    – Yes per Ex parte Allen (BPAI 1987)

•   A transgenic non-human mammal all of whose germ cells and somatic cells contain a
    recombinant activated oncogene sequence …
     – Yes per Phil Leder, US Patent No. 4,736,866; “The Harvard Mouse”



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LabCorp v. Metabolite (S.Ct. 2006)
• Claim at issue
  13. A method for detecting a deficiency of
   cobalamin or folate in warm-blooded animals
   comprising the steps of:
     • assaying a body fluid for an elevated level of total
       homocysteine; and
     • correlating an elevated level of total homocysteine
       in said body fluid with a deficiency of cobalamin or
       folate

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LabCorp v. Metabolite (S.Ct. 2006)
• Lower Courts
  – Upheld the patent claim’s validity and found
    that LabCorp infringed the claim




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LabCorp v. Metabolite (S.Ct. 2006)
• Supreme Court
  – Granted cert to determine whether claim is
    invalid because it seeks to “claim a monopoly
    over a basic scientific relationship”
    (cobalamin/folate = homocysteine)
  – Dismissed writ of certiorari as improvidently
    granted
  – Justice Breyer dissented (joined by Stevens
    and Souter)

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LabCorp v. Metabolite (S.Ct. 2006)
• Breyer dissent
  – Laws of nature are unpatentable because “sometimes
    too much patent protection can impede rather than
    ‘promote the Progress of Science and useful Arts.’ ”
    U.S. Const., Art 1, § 8
  – Policy for Unpatentable Subject Matter
      • “the enormous potential for rent seeking that would be created
        if property rights could be obtained in [those basic principles]”
        and
      • “the enormous transaction costs that would be imposed on
        would-be users”



              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




LabCorp v. Metabolite (S.Ct. 2006)
• LabCorp
  – “If the Court were to uphold this vague claim,
    anyone could obtain a patent on any scientific
    correlation -- that there is a link between fact A
    and fact B -- merely by drafting a patent
    claiming no more than ‘test for fact A and
    correlate with fact B’ … ”



             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




LabCorp v. Metabolite (S.Ct. 2006)
• Metabolite
  – Detecting a vitamin deficiency, with discrete
    testing and correlating steps, is:
     • Patentable as a “process”
     • A patentable “application of a law of nature”
           – (1) It entails a physical transformation of matter
                 » alteration of a blood sample during whatever test is used …
           – (2) It produces a useful, concrete, and tangible result
                 » detection of a vitamin deficiency



             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




LabCorp v. Metabolite (S.Ct. 2006)
• Breyer
  – “There can be little doubt that the correlation between
    homocysteine and vitamin deficiency set forth in claim
    13 is a ‘natural phenomenon’
  – “[t]he process described in claim 13 is not a process
    for transforming blood or any other matter. Claim 13’s
    process instructs the user to
     • (1) obtain test results and
     • (2) think about them”



             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




A Few Questions?
• Should a method for diagnosing a disease based
  on taking a measurement and correlating that
  measurement with a disease state be
  patentable?
• Should we reward the intellectual contribution
  even in the absence of a physical
  transformation?
• Why should a physical transformation be
  required?
• Isn’t the key intellectual contribution the
  observation of the relationship, not the
  methodology for making a measurement?
             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




So, what makes a process patentable?




           Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




       In re Bilski (Fed. Cir. 2008)
Claim 1. A method for managing the
  consumption risk costs of a commodity sold
  by a commodity provider at a fixed price
  comprising the steps of:
   (a) initiating a series of transactions … ;
   (b) identifying market participants … ; and
   (c) initiating a series of transactions … .


              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




       In re Bilski (Fed. Cir. 2008)
• Examiner rejected claims as directed to
  unpatentable subject matter under § 101

• BPAI affirmed the Examiner’s § 101 rejections

• Federal Circuit ordered en banc review and, on
  October 30, 2008, issued a 9-3 decision affirming
  BPAI’s § 101 rejections

              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




       In re Bilski (Fed. Cir. 2008)
• Federal Circuit (Citing Diamond v. Diehr)
  – A “process” under § 101 excludes:
     • Fundamental principles
         – Laws of nature
         – Natural phenomena
         – Abstract ideas (including mathematical algorithms)
     • Mental processes
         – Processes of human thinking
         – Systems that depend for their operation on human
           intelligence alone

              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




        In re Bilski (Fed. Cir. 2008)
• The § 101 inquiry
   – If a claim preempts substantially all uses of
     a fundamental principle, it is unpatentable
     subject matter
   – If a claim preempts only a particular
     application of a fundamental principle, it is
     patentable subject matter



               Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com



      In re Bilski (Fed. Cir. 2008)
• Federal Circuit applies a machine-or-
  transformation test to determine
  preemption of a fundamental principle
  – A claimed process is directed to patentable
    subject matter under § 101 if it:
      (1) is tied to a particular machine or apparatus; or
      (2) transforms a particular article into a different
        state or thing



             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




 The Supreme Court will Review In re Bilski

• Questions presented:
  – Whether the CAFC erred by holding that a
    “process” must be tied to a particular machine
    or apparatus, or transform a particular article
    into a different state or thing. . . .
  – Whether the Federal Circuit’s “machine-or-
    transformation” test for patent eligibility . . .
    contradicts the clear Congressional intent that
    patents protect “method[s] of doing or
    conducting business.” 35 U.S.C. § 273
              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com



Diagnostic Tools and Personalized Medicine:
       The Future of Biotechnology?
• Genomic Personalized Medicine
  – Information about a patient's genotype or
    gene expression profile used to tailor
    medical care
     • Provide a specific therapy for an individual's
       disease
     • Initiate a preventative measure suited to an
       individual
     • “Rational drug design" based on knowledge of
       disease pathophysiology
             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com



Diagnostic Tools and Personalized Medicine:
       The Future of Biotechnology?

• Breast Cancer as an Example
  – Identify overexpression of HER2 in a subset of
    breast cancer patients
  – Indicate treatment of HER2 positive patients
    with HER2-specific therapy (e.g., Herceptin)




             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




 Classen v. Biogen (DC MD 2006)
• Classen claims:
  – A method of determining whether an
    immunization schedule affects the incidence
    or severity of a chronic immune-mediated
    disorder…, comprising
     • immunization …; and
     • comparison of the incidence of chronic immune
       mediated disorders … relative to a control group


             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




 Classen v. Biogen (DC MD 2006)
• DC MD
  – “The [ ] patent does not claim a specific technique or
    technical process of testing [ ] safety
  – Instead, the [ ] patent describes only a general inquiry
    of whether the proposed correlation between an
    immunization schedule and the incidence of chronic
    disorders exists
  – As such, the process is indistinguishable from the idea
    itself
  – Accordingly, the [ ] patent seeks to patent an
    unpatentable natural phenomenon”
             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




    Classen v. Biogen (CAFC 2008)
• Federal Circuit
  – “In light of our decision in In re Bilski … we
    affirm the district court’s grant of summary
    judgment that these claims are invalid under 35
    U.S.C. § 101
  – Dr. Classen’s claims are neither ‘tied to a
    particular machine or apparatus’ nor do they
    ‘transform[ ] a particular article into a different
    state or thing’
               Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




    Ariad v. Eli Lilly (DC MA 2007)
• Claim:
  A method of inhibiting the expression of a gene
  whose transcription is regulated by NF-•B in a
  eukaryotic cell comprising the step of:
  – reducing NF-•B activity in the cell such that the
    expression of said gene is inhibited

• No particular agent or substance need be used,
  nor any particular steps performed, to reduce
  NF-•B activity in order to practice the invention

              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




     Ariad v. Eli Lilly (DC MA 2007)
• Lilly alleged that Ariad’s claims are directed to
  unpatentable subject matter
   – The claims encompass the NF-•B autoregulatory loop, a natural
     process in cells that operates to reduce the activity of NF-•B
   – Natural phenomena are excluded from patentable subject matter

• Ariad alleged that the claims are valid because:
   – Patent claims a process, which is subject matter specifically
     allowed by statute; and
   – Autoregulatory Loop is only a theory and has not been proven to
     exist in human cells in vivo


               Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




  Ariad v. Eli Lilly (DC Mass 2007)
• DC Mass
   – “While not all processes are patentable, I find that Lilly has
     failed to show that the proposed model of the Autoregulatory
     Loop actually exists in nature and thus that a natural
     phenomenon is encompassed by the [ ] patent’s claims”

• Holman’s Biotech IP Blog
   – “The court’s reasoning in Ariad was quite bizarre … The court
     appears to have been bamboozled into adopting an unduly
     narrow definition of the relevant natural phenomenon, and
     then found that the evidence supporting this narrowly defined
     phenomenon was insufficient to overcome the statutory
     presumption in favor of patent validity”


               Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




Prometheus v. Mayo (SD CA 2008)
• Prometheus Claim 1
  – A method of optimizing therapeutic efficacy…,
    comprising:
    • administering a drug providing 6-thioguanine to a
      subject…; and
    • determining the level of 6-thioguanine in said
      subject … wherein
          – 6-thioguanine less than about 230 pmol per 8x108 red
            blood cells indicates a need to increase the amount of
            said drug
          – 6-thioguanine greater than about 400 pmol per 8x108 red
            blood cells indicates a need to decrease the amount of
            said drug
             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




Prometheus v. Mayo (SD CA 2008)
• District Court
   – Claimed correlations between certain thiopurine drug
     metabolite levels and therapeutic efficacy and toxicity
     are natural phenomena
      • Result from innate metabolic activity in human body
      • Inventors did not “create” the correlation; the correlation
        results from a natural body process
      • Claims wholly preempt use of the correlations
            – The only practical use of the correlation is in drug treatment for
              autoimmune diseases



              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




Prometheus v. Mayo (Fed. Cir. 2009)

• September 2009, Federal Circuit reverses
  district court upholding patentability of
  methods for calibrating a drug dosage
  under 35 USC § 101




             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




Prometheus v. Mayo (Fed. Cir. 2009)
• Federal Circuit, cont.
  – Applying the Bilski Machine or Transformation
    test, CAFC rules that the required
    administration of a drug “transforms an article
    into a different state or thing.”
  – Distinguish diagnosis claims that merely
    require data gathering and correlation rather
    than an injection or drugs


             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




Prometheus v. Mayo
• In October 2009, Mayo Clinic filed a petition for
  writ of certiorari to the U.S. Supreme Court
• Question Presented
  “Whether 35 U.S.C. § 101 is satisfied by a patent
  claim that covers observed correlations between
  patient test results and patient health, so that the
  claim effectively preempts all uses of these
  naturally occurring correlations”


              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




Lingering Question
• In a method claim, is a physical
  transformation a meaningful distinction
  over an intellectual transformation?
• Compare
  – Method of optimizing, comprising measuring,
    administering, and measuring
  – Method of diagnosing, comprising measuring,
    correlating measurement to disease

             Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




To Do List:
• Is the death of a written description requirement
  that is separate from the enablement
  requirement imminent?
  – Read amicus briefs in and be on the lookout for Ariad
    v. Lilly (Fed. Circ. 2010)
• Will the machine or transformation test for
  determining patentability of methods survive?
  – Are diagnostic method claims doomed?
  – Be on the lookout for Bilski v. Kappos (S.Ct. 2010)

              Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA
www.schwabe.com




                             Thank You!

           Gary M. Myles, Ph.D.
       Schwabe, Williamson & Wyatt
          gmyles@schwabe.com
             (206) 407-1513



         Bend, OR   |   Portland, OR   |   Salem, OR   |   Seattle, WA |   Vancouver, WA

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Biotechnology Written Description, Enablement, and Patent Eligibility

  • 1. www.schwabe.com Biotechnology Patents: Technology, Written Description, and Patentable Subject Matter University of Washington School of Law Advanced Patent Law Gary M. Myles, Ph.D. Schwabe, Williamson & Wyatt February 1, 2010 Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 2. www.schwabe.com Topics Covered • Biotechnology Primer – The Technology of Biotechnology – Biotechnology Products • Written Description Requirement – U. of California v. Eli Lilly (Fed. Cir. 1997), Superenablement – Enzo v. Gen-Probe (Fed. Cir. 2002), Rader Dissent – Ariad v. Lilly (Fed. Cir. 2009) • Patentable Subject Matter – In re Bilski (Fed. Cir. 2008), Patentability of Method Claims – Classen v. Biogen (Fed. Cir. 2008) – Prometheus v. Mayo (Fed. Cir. 2009) – Ariad v. Lilly (D. Mass, 2007) Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 3. www.schwabe.com A Biotechnology Primer Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 4. www.schwabe.com Biotechnology vs. Pharmaceutical • Biotechnology: The use of biomolecules to treat disease • Pharmaceutical: The use of small molecules to treat disease Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 5. www.schwabe.com What are Biomolecules? • Genetic Material – DNA – RNA • Proteins – Receptors and Ligands – Enzymes – Antibodies • Lipids • Carbohydrates Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 6. www.schwabe.com The Eukaryotic Cell Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 7. www.schwabe.com DNA Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 8. www.schwabe.com The Central Dogma of Molecular Biology Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 9. www.schwabe.com The Genetic Code Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 10. www.schwabe.com Amino Acids are the Building Blocks of Proteins Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 11. www.schwabe.com Proteins are Linear Polymers of Amino Acids Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 12. www.schwabe.com Proteins adopt Three-dimensional Structures Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 13. www.schwabe.com Therapeutic Biotech Products • Nucleic Acid-based Therapeutics – DNA-based Cancer Vaccines – RNAi and antisense – Viral Vectors for Gene Therapy • Protein-based Therapeutics – Cytokines and Soluble Receptors – Vaccines against Infectious Disease – Antibodies and other Immunotherapeutics Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 14. www.schwabe.com • Therapeutic Proteins are expressed through Recombinant DNA Technology Recombinant Protein Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 15. www.schwabe.com Seattle Biotechnology Products Approved for Marketing by the FDA BEXXAR Corixa/GlaxoSmithKline CD20-positive Non-Hodgkins Lymphoma Cialis ICOS/Eli Lilly Erectile Dysfunction Nov 2003 Enbrel Immunex/Amgen Rheumatoid Arthritis Nov. 1998 Recothrom ZymoGenetics Surgical Bleeding May 2008 Provenge Dendreon Prostate Cancer Pending Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 16. www.schwabe.com Recombinant Proteins as Therapeutics • Rheumatoid Arthritis Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 17. www.schwabe.com Recombinant Proteins as Therapeutics • Cytokines, such as tumor necrosis factor, promote an inflammatory response • Causes the clinical problems associated with autoimmune disorders such as rheumatoid arthritis Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 18. www.schwabe.com Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 19. www.schwabe.com Enbrel – Soluble TNF-R Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 20. www.schwabe.com Recombinant Proteins as Therapeutics • Enbrel (Immunex/Amgen) – Recombinant soluble TNF•-R – Binds soluble, extracellular TNF• thereby preventing its binding to cellular TNF •-R – Therapeutic efficacy for the auto-immune disease rheumatoid arthritis (RA) Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 21. www.schwabe.com Antibodies Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 22. www.schwabe.com Anti-CD20 Antibodies • Non-Hodgkin’s Lymphoma – B-cells expressing CD20, a phosphoprotein found on the surface of >90% of B cells from peripheral blood or lymphoid organs Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 23. www.schwabe.com Rituxan Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 24. www.schwabe.com Bexxar (Corixa/GlaxoSmithKline) Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 25. www.schwabe.com Cialis (Lilly/ICOS) • Cialis is a phosphodiesterase type 5 (PDE5) inhibitor marketed for treating erectile dysfunction Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 26. www.schwabe.com Levitra Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 27. www.schwabe.com Patentability of Biotech Inventions Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 28. www.schwabe.com The Statutory Requirements for Patentability • Prior Art – 35 U.S.C. § 102 Novelty • Single reference • Discloses every element of claimed invention – 35 U.S.C. § 103 Non-obviousness • Multiple references • Predictability • Motivation to combine • Teach or suggest claimed invention • Reasonable expectation of success Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 29. www.schwabe.com The Statutory Requirements for Patentability • Disclosure Requirements – 35 U.S.C. § 101 Patentability/Utility • Statutory subject matter • Specific, substantial, and credible utility – 35 U.S.C. § 112, ¶ 1 Specification • Enablement • Written Description • Best Mode Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 30. www.schwabe.com 35 U.S.C. § 112, ¶ 1 Written Description Requirement Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 31. www.schwabe.com 35 U.S.C. § 112, ¶ 1 Written Description The SPECIFICATION shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains … to make and use the same, and shall set forth the best mode contemplated by the inventor of carrying out his invention. Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 32. www.schwabe.com U. of California v. Lilly (Fed. Cir. 1997) • Facts – UC disclosed: • Cloned rat cDNA encoding insulin protein • Amino acid sequences of human insulin protein • General method for obtaining the human cDNA – UC claimed: 1. A recombinant plasmid replicable in procaryotic host containing within its nucleotide sequence a subsequence having the structure of the reverse transcript of an mRNA of a vertebrate, which mRNA encodes insulin. 5. A recombinant procaryotic microorganism modified so that it contains a nucleotide sequence having the structure of the reverse transcript of an mRNA of a human, which mRNA encodes insulin. Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 33. www.schwabe.com U. of California v. Lilly (Fed. Cir. 1997) • District Court – Held claims invalid under § 112, ¶ 1, because “the specification, although it provided an adequate written description of rat cDNA, did not provide an adequate written description of the cDNA required by the asserted claims.” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 34. www.schwabe.com U. of California v. Lilly (Fed. Cir. 1997) • Federal Circuit Upholds District Court – Claim 5 invalid • “whether or not [Example 6] provides an enabling disclosure, it does not provide a written description of the cDNA encoding human insulin.” – Claim 1 invalid • A description of rat insulin cDNA is not a description of the broad classes [genra] of vertebrate or mammalian insulin cDNA • A description of a chemical genus ‘requires a precise definition, such as by structure, formula, [or] chemical name.’ Quoting, Fiers v. Revel 984 F.2d at 1171 Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 35. www.schwabe.com U. of California v. Lilly (Fed. Cir. 1997) • Written description becomes a super- enablement requirement Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 36. www.schwabe.com Enzo v. Gen-Probe (Fed. Cir. 2002) • Rader Dissent – History of the Written Description Requirement • “Written description” first appears in Patent Act of 1793 • Evans v. Eaton (1822), S. Ct. construed description requirement to be an enablement requirement • J.E.M. AG Supply (2001), S. Ct. acknowledged only enablement as the disclosure quid pro quo of Patent Act Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 37. www.schwabe.com Enzo v. Gen-Probe (Fed. Cir. 2002) • Rader Dissent, cont. – In re Ruschig (1967), CCPA first separated new WD requirement from enablement • To police priority: Whether new claim/amended claim entitled to priority • Converted § 132 new matter rejection into § 112 WD rejection • “The function of the description requirement is to ensure that the inventor had possession, as of the filing date of the application relied on, of the specific subject matter later claimed by him.” Judge Rich Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 38. www.schwabe.com Enzo v. Gen-Probe (Fed. Cir. 2002) • Rader Dissent, cont. – In re Kaslow (Fed. Cir. 1983) • “The test for determining compliance with the WD requirement is whether the disclosure of the application as originally filed reasonably conveys to the artisan that the inventor had possession at the time of the later claimed subject matter, rather than the presence or absence of literal support in the specification for the claim language.” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 39. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Ariad Claims: 95. [A method for reducing, in eukaryotic cells, the level of expression of genes which are activated by extracellular influences which induce NF-•B-mediated intracellular signaling, the method comprising reducing NF-•B activity in the cells such that expression of said genes is reduced], carried out on human cells. Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 40. www.schwabe.com Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 41. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • District Court – April 28, 2006, held claims infringed and not invalid for anticipation, lack of enablement, and lack of written description – August 2006, held claims directed to patentable subject matter (see below) Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 42. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Federal Circuit – In Rochester v. Searle, held similar method claims invalid for lack or written description “A method for selectively inhibiting PGHS-2 activity in a human host, comprising administering a non-steroidal compound that selectively inhibits activity of the PGHS-2 gene product to a human host in need of such treatment.” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 43. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Federal Circuit – Rochester v. Searle, cont. – Patent disclosure did not disclose any suitable compounds – Moreover, “Rochester did not present any evidence that the ordinarily skilled artisan would be able to identify any compound based on [the specification’s] vague functional description.” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 44. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Federal Circuit – “Regardless of whether the asserted claims recite a compound, Ariad still must describe some way of performing the claimed methods. … the specification suggests only the use of the three classes of molecules*** to achieve NF-•B reduction.” – *** The three classes of molecules include • Specific Inhibitors • Dominantly interfering molecules • Decoy molecules Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 45. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Federal Circuit “Thus, to satisfy the written description requirement for the asserted claims, the specification must demonstrate that Ariad possessed the claimed methods by sufficiently disclosing molecules capable of reducing NF-•B activity.” Capon Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 46. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Federal Circuit “A vague functional description and an invitation for further research does not constitute written disclosure of a specific inhibitor. *** written description requires more than a ‘mere wish or plan for obtaining the claimed chemical invention.’ ” UC v. Eli Lilly Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 47. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Federal Circuit – Judge Linn’s Concurrance “I write separately to emphasize … my belief that our engrafting of a separate written description requirement onto 35 USC 112, paragraph 1 is misguided. *** [S]ection 112, paragraph 1 requires no more of the specification than a disclosure that is sufficient to enable a person having ordinary skill in the art to make and use the invention.” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 48. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Ariad appeals to Federal Circuit for en banc review – Whether 35 U.S.C. § 112, ¶ 1, contains a written description requirement separate from an enablement requirement – If a separate written description requirement is set forth in the statute, what is the scope and purpose of the requirement? • On August 21, 2009, Federal Circuit grants en banc review, vacating the court’s April 3, 2009 opinion Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 49. www.schwabe.com Ariad v. Lilly (Fed. Cir. 2009) • Ariad Amicus Brief • Lilly Amicus Brief Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 50. www.schwabe.com Practice Tips – Claim Drafting • Broad claims • Better claims • The goal is to get valid claims that will read on a competitor’s infringing composition/method/device Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 51. www.schwabe.com Practice Tip – Draft Nested Claims from Broad to Narrow 1. Broad Independent Claim 2. Narrow Dependent Claim 3. Still Narrower Dependent Claim 4. Narrowest “Picture” Claim Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 52. www.schwabe.com Practice Tips – The Specification • Support broad claims with multiple actual and prophetic examples representative of the full claim scope Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 53. www.schwabe.com Practice Tip -- Disclosure of Single Embodiments is Risky Claim Construction OK if construed reads on: · Your commercial product · Competitor’s commercial product 35 U.S.C. § 112, ¶1 Bend, OR | Portland, OR | Salem, OR | Seattle, WA | “Invalid” Vancouver, WA
  • 54. www.schwabe.com Practice Tip -- Disclose Multiple Embodiments Claim Construction 35 U.S.C. § 112, ¶1 “Not Invalid” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 55. www.schwabe.com 35 U.S.C. § 101 Utility/Patentable Subject Matter Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 56. www.schwabe.com 35 U.S.C. §101 Inventions Patentable/Utility Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 57. www.schwabe.com The Utility Requirement • Historically was rarely an obstacle to a patent • In the late 1990s, became a substantial hurdle in chemistry and biotechnology Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 58. www.schwabe.com The Utility Requirement • Lowell v. Lewis (MA 1817), Justice Story – “All that the law requires is, that the invention should not be frivolous or injurious to the well- being, good policy, or sound morals of society. … But if the invention steers wide of these objections, whether it be more or less useful is a circumstance very material to the interest of the patentee, but of no importance to the public. If it not be extensively useful, it will silently sink into contempt and disregard.” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 59. www.schwabe.com The Utility Requirement • Brenner v. Manson (S. Ct., 1966), Justice Fortas – Due to the unpredictability of the art, disclosure not sufficient to show likelihood that the steroid produced would function similar to its homologues (i.e. no credible utility). – “A process patent in the chemical field, which has not been developed and pointed to the degree of specific utility, creates a monopoly of knowledge which should be granted only if clearly commanded by the statute.” – “The basic quid pro quo contemplated by the Constitution and Congress for granting a patent monopoly is the benefit derived by the public from an invention with substantial utility.” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 60. www.schwabe.com The Utility Requirement • Utility Guidelines (USPTO 1999) – An invention fulfills the utility requirement if: • The invention has a well-established use (well known, immediately apparent) in the art OR • The applicant has disclosed – a specific utility for the subject matter claimed – a substantial, real world, utility – A credible utility that is logical, factual, operable to a PHOSA Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 61. www.schwabe.com 35 U.S.C. §101 Inventions Patentable/Utility Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 62. www.schwabe.com Patentable Subject Matter: Fundamental Principles • Funk Bros. v. Kalo (S.Ct. 1948) – Mixed culture of root-nodule bacteria for inoculating seeds of leguminous plants • No patentable subject matter – Each species infects same group of plants – No species acquires a different use – No change in the individual bacteria – No change in their individual utilities – Use in combination does not improve natural functioning – “Manifestations of nature are free to all men and reserved exclusively to none” • Laws of nature – E = mc2 – Law of gravity • Physical phenomena • Principles • Abstract ideas • Products of nature Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 63. www.schwabe.com Patentable Subject Matter: Fundamental Principles • Diamond v. Chakrabarty (S.Ct. 1980) – Chakrabarty: • Created oil-eating bacterium • Claimed “a bacterium from the genus Pseudomonas containing therein at least two stable energy- generating plasmids, each of said plasmids providing a separate hydrocarbon degradative pathway.” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 64. www.schwabe.com Patentable Subject Matter: Fundamental Principles • Diamond v. Chakrabarty (S.Ct. 1980), cont. – USPTO • Rejected claim because a bacterium is – A “product of nature” – A living thing – Supreme Court • Upholds validity of Chakrabarty’s claim – “Anything under the sun that is made by man” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 65. www.schwabe.com Are These Inventions Patentable? • “Biologically pure” bacterial culture – Yes per CCPA in In re Bergy (1977) – The culture is not a “product of nature” because the culture did not exist in nature in its pure form • “Purified and isolated” DNA sequences – Yes per Fed. Cir. In Amgen v. Chugai (1991) • “Purified and isolated” stem cells – Yes per USPTO (see, Q. Todd Dickinson, www.ogc.doc.gov/ogc/legreg/testimon/106f/dickinson0112.htm) • Hydrostatically altered Pacific polyploid oysters, which grow larger than normal oysters – Yes per Ex parte Allen (BPAI 1987) • A transgenic non-human mammal all of whose germ cells and somatic cells contain a recombinant activated oncogene sequence … – Yes per Phil Leder, US Patent No. 4,736,866; “The Harvard Mouse” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 66. www.schwabe.com LabCorp v. Metabolite (S.Ct. 2006) • Claim at issue 13. A method for detecting a deficiency of cobalamin or folate in warm-blooded animals comprising the steps of: • assaying a body fluid for an elevated level of total homocysteine; and • correlating an elevated level of total homocysteine in said body fluid with a deficiency of cobalamin or folate Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 67. www.schwabe.com LabCorp v. Metabolite (S.Ct. 2006) • Lower Courts – Upheld the patent claim’s validity and found that LabCorp infringed the claim Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 68. www.schwabe.com LabCorp v. Metabolite (S.Ct. 2006) • Supreme Court – Granted cert to determine whether claim is invalid because it seeks to “claim a monopoly over a basic scientific relationship” (cobalamin/folate = homocysteine) – Dismissed writ of certiorari as improvidently granted – Justice Breyer dissented (joined by Stevens and Souter) Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 69. www.schwabe.com LabCorp v. Metabolite (S.Ct. 2006) • Breyer dissent – Laws of nature are unpatentable because “sometimes too much patent protection can impede rather than ‘promote the Progress of Science and useful Arts.’ ” U.S. Const., Art 1, § 8 – Policy for Unpatentable Subject Matter • “the enormous potential for rent seeking that would be created if property rights could be obtained in [those basic principles]” and • “the enormous transaction costs that would be imposed on would-be users” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 70. www.schwabe.com LabCorp v. Metabolite (S.Ct. 2006) • LabCorp – “If the Court were to uphold this vague claim, anyone could obtain a patent on any scientific correlation -- that there is a link between fact A and fact B -- merely by drafting a patent claiming no more than ‘test for fact A and correlate with fact B’ … ” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 71. www.schwabe.com LabCorp v. Metabolite (S.Ct. 2006) • Metabolite – Detecting a vitamin deficiency, with discrete testing and correlating steps, is: • Patentable as a “process” • A patentable “application of a law of nature” – (1) It entails a physical transformation of matter » alteration of a blood sample during whatever test is used … – (2) It produces a useful, concrete, and tangible result » detection of a vitamin deficiency Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 72. www.schwabe.com LabCorp v. Metabolite (S.Ct. 2006) • Breyer – “There can be little doubt that the correlation between homocysteine and vitamin deficiency set forth in claim 13 is a ‘natural phenomenon’ – “[t]he process described in claim 13 is not a process for transforming blood or any other matter. Claim 13’s process instructs the user to • (1) obtain test results and • (2) think about them” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 73. www.schwabe.com A Few Questions? • Should a method for diagnosing a disease based on taking a measurement and correlating that measurement with a disease state be patentable? • Should we reward the intellectual contribution even in the absence of a physical transformation? • Why should a physical transformation be required? • Isn’t the key intellectual contribution the observation of the relationship, not the methodology for making a measurement? Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 74. www.schwabe.com So, what makes a process patentable? Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 75. www.schwabe.com In re Bilski (Fed. Cir. 2008) Claim 1. A method for managing the consumption risk costs of a commodity sold by a commodity provider at a fixed price comprising the steps of: (a) initiating a series of transactions … ; (b) identifying market participants … ; and (c) initiating a series of transactions … . Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 76. www.schwabe.com In re Bilski (Fed. Cir. 2008) • Examiner rejected claims as directed to unpatentable subject matter under § 101 • BPAI affirmed the Examiner’s § 101 rejections • Federal Circuit ordered en banc review and, on October 30, 2008, issued a 9-3 decision affirming BPAI’s § 101 rejections Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 77. www.schwabe.com In re Bilski (Fed. Cir. 2008) • Federal Circuit (Citing Diamond v. Diehr) – A “process” under § 101 excludes: • Fundamental principles – Laws of nature – Natural phenomena – Abstract ideas (including mathematical algorithms) • Mental processes – Processes of human thinking – Systems that depend for their operation on human intelligence alone Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 78. www.schwabe.com In re Bilski (Fed. Cir. 2008) • The § 101 inquiry – If a claim preempts substantially all uses of a fundamental principle, it is unpatentable subject matter – If a claim preempts only a particular application of a fundamental principle, it is patentable subject matter Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 79. www.schwabe.com In re Bilski (Fed. Cir. 2008) • Federal Circuit applies a machine-or- transformation test to determine preemption of a fundamental principle – A claimed process is directed to patentable subject matter under § 101 if it: (1) is tied to a particular machine or apparatus; or (2) transforms a particular article into a different state or thing Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 80. www.schwabe.com The Supreme Court will Review In re Bilski • Questions presented: – Whether the CAFC erred by holding that a “process” must be tied to a particular machine or apparatus, or transform a particular article into a different state or thing. . . . – Whether the Federal Circuit’s “machine-or- transformation” test for patent eligibility . . . contradicts the clear Congressional intent that patents protect “method[s] of doing or conducting business.” 35 U.S.C. § 273 Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 81. www.schwabe.com Diagnostic Tools and Personalized Medicine: The Future of Biotechnology? • Genomic Personalized Medicine – Information about a patient's genotype or gene expression profile used to tailor medical care • Provide a specific therapy for an individual's disease • Initiate a preventative measure suited to an individual • “Rational drug design" based on knowledge of disease pathophysiology Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 82. www.schwabe.com Diagnostic Tools and Personalized Medicine: The Future of Biotechnology? • Breast Cancer as an Example – Identify overexpression of HER2 in a subset of breast cancer patients – Indicate treatment of HER2 positive patients with HER2-specific therapy (e.g., Herceptin) Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 83. www.schwabe.com Classen v. Biogen (DC MD 2006) • Classen claims: – A method of determining whether an immunization schedule affects the incidence or severity of a chronic immune-mediated disorder…, comprising • immunization …; and • comparison of the incidence of chronic immune mediated disorders … relative to a control group Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 84. www.schwabe.com Classen v. Biogen (DC MD 2006) • DC MD – “The [ ] patent does not claim a specific technique or technical process of testing [ ] safety – Instead, the [ ] patent describes only a general inquiry of whether the proposed correlation between an immunization schedule and the incidence of chronic disorders exists – As such, the process is indistinguishable from the idea itself – Accordingly, the [ ] patent seeks to patent an unpatentable natural phenomenon” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 85. www.schwabe.com Classen v. Biogen (CAFC 2008) • Federal Circuit – “In light of our decision in In re Bilski … we affirm the district court’s grant of summary judgment that these claims are invalid under 35 U.S.C. § 101 – Dr. Classen’s claims are neither ‘tied to a particular machine or apparatus’ nor do they ‘transform[ ] a particular article into a different state or thing’ Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 86. www.schwabe.com Ariad v. Eli Lilly (DC MA 2007) • Claim: A method of inhibiting the expression of a gene whose transcription is regulated by NF-•B in a eukaryotic cell comprising the step of: – reducing NF-•B activity in the cell such that the expression of said gene is inhibited • No particular agent or substance need be used, nor any particular steps performed, to reduce NF-•B activity in order to practice the invention Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 87. www.schwabe.com Ariad v. Eli Lilly (DC MA 2007) • Lilly alleged that Ariad’s claims are directed to unpatentable subject matter – The claims encompass the NF-•B autoregulatory loop, a natural process in cells that operates to reduce the activity of NF-•B – Natural phenomena are excluded from patentable subject matter • Ariad alleged that the claims are valid because: – Patent claims a process, which is subject matter specifically allowed by statute; and – Autoregulatory Loop is only a theory and has not been proven to exist in human cells in vivo Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 88. www.schwabe.com Ariad v. Eli Lilly (DC Mass 2007) • DC Mass – “While not all processes are patentable, I find that Lilly has failed to show that the proposed model of the Autoregulatory Loop actually exists in nature and thus that a natural phenomenon is encompassed by the [ ] patent’s claims” • Holman’s Biotech IP Blog – “The court’s reasoning in Ariad was quite bizarre … The court appears to have been bamboozled into adopting an unduly narrow definition of the relevant natural phenomenon, and then found that the evidence supporting this narrowly defined phenomenon was insufficient to overcome the statutory presumption in favor of patent validity” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 89. www.schwabe.com Prometheus v. Mayo (SD CA 2008) • Prometheus Claim 1 – A method of optimizing therapeutic efficacy…, comprising: • administering a drug providing 6-thioguanine to a subject…; and • determining the level of 6-thioguanine in said subject … wherein – 6-thioguanine less than about 230 pmol per 8x108 red blood cells indicates a need to increase the amount of said drug – 6-thioguanine greater than about 400 pmol per 8x108 red blood cells indicates a need to decrease the amount of said drug Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 90. www.schwabe.com Prometheus v. Mayo (SD CA 2008) • District Court – Claimed correlations between certain thiopurine drug metabolite levels and therapeutic efficacy and toxicity are natural phenomena • Result from innate metabolic activity in human body • Inventors did not “create” the correlation; the correlation results from a natural body process • Claims wholly preempt use of the correlations – The only practical use of the correlation is in drug treatment for autoimmune diseases Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 91. www.schwabe.com Prometheus v. Mayo (Fed. Cir. 2009) • September 2009, Federal Circuit reverses district court upholding patentability of methods for calibrating a drug dosage under 35 USC § 101 Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 92. www.schwabe.com Prometheus v. Mayo (Fed. Cir. 2009) • Federal Circuit, cont. – Applying the Bilski Machine or Transformation test, CAFC rules that the required administration of a drug “transforms an article into a different state or thing.” – Distinguish diagnosis claims that merely require data gathering and correlation rather than an injection or drugs Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 93. www.schwabe.com Prometheus v. Mayo • In October 2009, Mayo Clinic filed a petition for writ of certiorari to the U.S. Supreme Court • Question Presented “Whether 35 U.S.C. § 101 is satisfied by a patent claim that covers observed correlations between patient test results and patient health, so that the claim effectively preempts all uses of these naturally occurring correlations” Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 94. www.schwabe.com Lingering Question • In a method claim, is a physical transformation a meaningful distinction over an intellectual transformation? • Compare – Method of optimizing, comprising measuring, administering, and measuring – Method of diagnosing, comprising measuring, correlating measurement to disease Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 95. www.schwabe.com To Do List: • Is the death of a written description requirement that is separate from the enablement requirement imminent? – Read amicus briefs in and be on the lookout for Ariad v. Lilly (Fed. Circ. 2010) • Will the machine or transformation test for determining patentability of methods survive? – Are diagnostic method claims doomed? – Be on the lookout for Bilski v. Kappos (S.Ct. 2010) Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA
  • 96. www.schwabe.com Thank You! Gary M. Myles, Ph.D. Schwabe, Williamson & Wyatt gmyles@schwabe.com (206) 407-1513 Bend, OR | Portland, OR | Salem, OR | Seattle, WA | Vancouver, WA