Estoppel Doctrine in China's Patent System
Director Jason A. Fitzsimmons and Counsel Richard A. Crudo will present the “Developments in IPR Estoppel” webinar on Tuesday, December 5, 2023, at 1:00 PM ET. The possibility of being estopped from asserting prior art in...more
I. Introduction - The Leahy-Smith America Invents Act (“AIA”) was years in the making. From the first patent reform bill introduced by Representative Lamar Smith in June 20052 until the final House and Senate debates in...more
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...more
The Patent Trial and Appeal Board (PTAB) has denied VLSI’s motion to terminate Intel’s involvement in an inter partes review (IPR) of a VLSI patent. VLSI and Intel are engaged in a legal war across several jurisdictions....more
In a relatively quiet third quarter of 2020, the Federal Circuit decided issues on joinder, estoppel, claim preclusion, and importantly, upheld the Patent Trial and Appeal Board process finding that cancellation of patent...more
In IPR2019-00567 (Paper 23 at 29-30) and IPR2019-00568 (Paper 22 at 23-24), the PTAB, for potentially the first time, denied institution partially based on the Petitioner raising the same issues in its Petition that had been...more