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Patent Prior Art And Possession, Timothy R. Holbrook

William & Mary Law Review

Prior art in patent law defines the set of materials that the United States Patent and Trademark Office (USPTO) and courts use to determine whether the invention claimed in a patent is new and nonobvious. One would think that, as a central, crucial component of patent law, prior art would be thoroughly theorized and doctrinally coherent. Nothing could be further from the truth. The prior art provisions represent an ad hoc codification of various policies and doctrines that arose in the courts.

This Article provides coherency to this morass. It posits a prior art system that draws upon property law’s …