(April 7, 2016, 1:29 PM EDT) -- WASHINGTON, D.C. — A California federal judge’s decision to deny a joint motion for vacatur of a judgment of patent ineligibility was within his discretion, the Federal Circuit U.S. Court of Appeals ruled April 5 (Cardpool Inc. v. Plastic Jungle Inc., No. 14-1562, Fed. Cir.; 2016 U.S. App. LEXIS 6169)....