In related appeals, the Federal Circuit vacated and remanded the Patent Trial and Appeal Board’s invalidation of 49 claims across three patents challenged in Inter Partes Review. PPC Broadband, Inc., v. Corning Optical Comms. RF, LLC, Nos. 2015-1361, -1366, -1368, and -1369 (Fed. Cir. Feb. 22, 2016) (“PPC I”) and PPC Broadband, Inc., v. Corning Optical Comms. RF, LLC, No. 2015-1364 (Fed. Cir. Feb. 22, 2016) (“PPC II”).