Mealey's (March 27, 2018, 10:13 AM EDT) -- WASHINGTON, D.C. — Findings by the Patent Trial and Appeal Board that four digital identification patents were not proven to be unpatentable as anticipated or obvious by inter partes review (IPR) petitioner Google Inc. were vacated and remanded March 26 by the Federal Circuit U.S. Court of Appeals (Google Inc. v. Network-1 Technologies Inc., Nos. 16-2509, -2510, -2511, -2512, Fed. Cir.)....