Indefiniteness Before the PTAB
On May 17, 2024, an Appeals Review Panel (ARP) of the United States Patent and Trademark Office (“USPTO”) released its decision in Ex parte Chamberlain (referred to in Federal Circuit proceedings as In re Xencor;...more
The Federal Circuit’s recent decision in Samsung Electronics America, Inc. v. Prisua Engineering Corp., — F.3d —, 2020 WL 543427, at *4 (Fed. Cir. Feb. 4. 2020), could not be more clear: “[W]e hold that the Board may not...more
The Federal Circuit definitively rejected arguments to cancel challenged claims for reasons other than anticipation or obviousness in an inter partes review proceeding. In Samsung Electronics America, Inc., v. Prisua...more