This document discusses challenges around patents, intellectual property, and patent trolls as it relates to VRM (Vendor Relationship Management). It notes that large tech companies obtain many patents through their legal teams, and that patents can bolster startup valuations but also allow failed companies to assert patent claims. The document outlines technical, legal, social, usability, business model, and other challenges around VRM and sharing user data and controls. It suggests building on cloud platforms or a personal cloud and obtaining patents for defense. It also discusses challenges around large company vs. startup legal battles and dealing with patent trolls.