Assignor Estoppel Not a Defense in Inter Partes Review

July 10, 2014

Nathan R. Speed
The following situation is quite common in today’s workplace. Bob conceives an invention while working on a research project for Widget, Inc. With the assistance of Widget’s attorneys, Bob submits a patent application for his invention and signs an inventor’s oath attesting that he is an original inventor of the invention claimed in the patent application. Pursuant to his employment agreement—and for valuable consideration (in this case, his salary)—Bob assigns his rights in the invention to Widget.

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