Mealey's (November 2, 2020, 12:03 PM EST) -- WASHINGTON, D.C. — A refusal by the Patent Trial and Appeal Board to institute inter partes review (IPR) of two patents challenged by Cisco Systems Inc. will stand, the Federal Circuit U.S. Court of Appeals ruled Oct. 30 (In re: Cisco Systems Inc., No. 20-148, Fed. Cir., 2020 U.S. App. LEXIS 34349)....