Mealey's (September 14, 2021, 12:33 PM EDT) -- WASHINGTON, D.C. — In a Sept. 9 appellee brief filed with the Federal Circuit U.S. Court of Appeals, an appellee defended a New York federal judge’s determination that a patent owner was judicially estopped from pursuing royalties under the terms of a patent license based upon its representations to the Patent Trial and Appeal Board (PTAB) in a related covered business method (CBM) review....