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What's In, And What's Out: How Ip's Boundary Rules Shape Innovation, Mark Mckenna, Christopher J. Sprigman

Journal Articles

Intellectual property law sorts subject matter into a variety of different regimes, each with different terms of protection and different rules of protectability, infringement, and defenses. For that sorting to be effective, IP needs principles to distinguish the subject matter of each system. This paper focuses on one of the most important aspects of border-drawing that our IP system undertakes — identifying “useful” subject matter.

This aspect is critical because our IP system gives utility patent law pride of place and draws the boundaries of the other doctrines in large part to respect utility patent’s supremacy. Yet IP law’s sense …