Mealey's (April 8, 2020, 1:51 PM EDT) -- WASHINGTON, D.C. — A federal judge in Texas did not err in declaring a single claim of a patented radio communication system indefinite, the Federal Circuit U.S. Court of Appeals concluded April 7 (Uniloc USA, et al. v. Samsung Electronics America Inc., et al., No. 19-2072, Fed. Cir., 2020 U.S. App. LEXIS 10901)....