Federal Circuit affirms introduction of evidence in IPR petitioner’s reply briefs On November 25, 2020, in VidStream LLC v. Twitter, Inc., the United States Court of Appeals for the Federal Circuit (“Federal Circuit”) affirmed an appeal from the Patent Trial and Appeal Board (“PTAB”) holding evidence introduced by the petitioner in a reply brief of an inter partes review (“IPR”) proceeding, after the petition had been […] Read Post →
Federal Circuit Affirms Intrinsic Evidence Trumps Extrinsic Evidence During Claim Construction On October 13, 2020, in Immunex Corp. v. Sanofi-Aventis U.S. LLC, Genzyme Corp., and Regeneron Pharmaceuticals, Inc., the United States Court of Appeals for the Federal Circuit (“Federal Circuit”) affirmed-in-part and dismissed-in-part an appeal from the Patent Trial and Appeal Board (“PTAB”) holding that when it comes to claim construction, intrinsic evidence trumps extrinsic evidence. […] Read Post →