Mealey's (March 20, 2018, 12:10 PM EDT) -- WASHINGTON, D.C. — On remand from the Federal Circuit U.S. Court of Appeals, the Patent Trial and Appeal Board did not err in refusing to consider new arguments by an inter partes review (IPR) challenger and a proposed response by the owner of a patented computer network appliance, the Federal Circuit ruled March 19 (Dell Inc. v. Acceleron LLC, No. 17-1101, Fed. Cir., 2018 U.S. App. LEXIS 6834)....