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The Hidden Value Of Abandoned Applications To The Patent System, Christopher A. Cotropia, David L. Schwartz
The Hidden Value Of Abandoned Applications To The Patent System, Christopher A. Cotropia, David L. Schwartz
Law Faculty Publications
Some inventors abandon their patent applications without ever receiving a patent. Although patent scholars view such abandoned patent applications as essentially worthless, we question that conventional wisdom. Conducting an empirical analysis of a recently released patent application dataset in light of a 1999 change that requires publication of most abandoned applications, we find that the United States Patent and Trademark Office (USPTO) often uses abandoned applications as “prior art” when examining future patent applications. Abandoned applications thus generate an “administrative disclosure” that prevents the issuance of broader patent rights to later applicants. By narrowing the scope of new patents, abandoned …