Federal Circuit outlines scope of estoppel at PTAB

12-06-2017

Federal Circuit outlines scope of estoppel at PTAB

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The US Court of Appeals for the Federal Circuit has held that a petitioner could rechallenge claims of a patent that it had previously asserted but had not been reviewed by the Patent Trial and Appeal Board (PTAB).


US Court of Appeals for the Federal Circuit, patent, estoppel, PTAB, Credit Acceptance, Westlake Services, covered business methods, CBM

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