Mealey's (May 20, 2020, 12:04 PM EDT) -- WASHINGTON, D.C. — The Federal Circuit U.S. Court of Appeals on May 19 rejected efforts by a patent owner to challenge institution by the Patent Trial and Appeal Board of inter partes review (IPR) on grounds that the IPR petitioner failed to identify all “real parties in interest” (ESIP Series 2 LLC v. Puzhen Life USA LLC, No. 19-1659, Fed. Cir., 2020 U.S. App. LEXIS 15934)....