(May 1, 2019, 1:22 PM EDT) -- WASHINGTON, D.C. — In a March 25 appellant brief filed with the Federal Circuit U.S. Court of Appeals, a patent owner accuses the Patent Trial and Appeal Board of issuing an “overbroad” construction of several claim terms, resulting in an improper invalidation of two patents (CCS Technology Inc. v. Panduit Corporation, Nos. 2019-1286, -1287, Fed. Cir.)....