Mealey's (August 21, 2019, 2:22 PM EDT) -- WASHINGTON, D.C. — A federal judge in New York correctly held an independent claim of a digital rights management (DRM) patent indefinite, the Federal Circuit U.S. Court of Appeals ruled Aug. 20 (William Grecia v. Samsung Electronics America Inc., No. 19-1019, Fed. Cir., 2019 U.S. App. LEXIS 24712)....