Unlike other forms of intellectual property, patents are universally justified on utilitarian grounds alone. Valuable inventions and discoveries, bearing the characteristics of public goods, are easily appropriated by third parties. Because much technological innovation occurs pursuant to significant expenditures—both in terms of upfront research and subsequent commercialization costs—inventors must be permitted to extract at least part of the social gain associated with their technological contributions. Absent some form of proprietary control or alternative reward system, economics predicts that suboptimal capital will be devoted to the innovative process. This widely accepted principle comes with an important corollary: namely, that cano...