Mealey's (May 17, 2019, 8:15 AM EDT) -- WASHINGTON, D.C. — Intel Corp. recently told the Federal Circuit U.S. Court of Appeals that contrary to allegations made in a February appellant brief, the Patent Trial and Appeal Board correctly declared all challenged claims of a voltage regulator patent obvious (R2 Semiconductor Inc. v. Intel Corporation, No. 19-1031, Fed. Cir.)....