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The Complicated Relationship Of Patent Examination And Invalidation, Gregory Reilly

All Faculty Scholarship

The conventional view is that the Patent Office examines patent applications before issuance to assure compliance with the statutory criteria of patentability. Ex post invalidation in district court litigation or Patent Office cancellation proceedings then reviews the Patent Office’s work to correct errors that result from the Patent Office’s shortcomings, bias, or “rational ignorance” that limits resources spent on examination because of the irrelevance of most patents. Scholars, the Federal Circuit, and the Supreme Court have all endorsed this conventional view. However, it is wrong—or at least overly simplistic. The American patent system is only partially a system of ex …