PTAB: Unidirectional Language of AIA Estoppel Dooms Common-Law Claim Preclusion Argument Based on District Court’s Final Judgment of No Invalidity
July 24, 2023Patent Trial & Appeal Board, Inter Partes Review, Patent Litigation, 35 U.S.C. § 315(e)(2) estoppel
The Patent Trial and Appeal Board has denied a patent owner’s motion to terminate an inter partes review proceeding finding that the unidirectional nature of estoppel under 35 U.S.C. § 315(e) renders common-law claim preclusion inapplicable as a basis for termination.
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