(July 21, 2016, 2:26 PM EDT) -- WASHINGTON, D.C. — Although a California federal judge properly denied a motion for attorney fees by four prevailing patent infringement defendants, she improperly exercised supplemental jurisdiction over state law claims of breach of fiduciary duty, aiding and abetting and unfair competition because the federal and state law claims share no common nucleus of operative facts, the Federal Circuit U.S. Court of Appeals ruled July 21 (AngioScore Inc. v. TriReme Medical LLC, et al., Nos. 16-1126, - 1142, Fed. Cir.)....