Mealey's (September 9, 2020, 11:32 AM EDT) -- WASHINGTON, D.C. — In two orders and a revised opinion issued Sept. 4, the Federal Circuit U.S. Court of Appeals granted panel rehearing in a case involving the requirements for joinder in an inter partes review (IPR) (Facebook Inc. v. Windy City Innovations LLC, Nos. 2018-1400, -1401, -1402, -1403, -1537, -1540, -1541, Fed. Cir., 2020 U.S. App. LEXIS 28259)....