Mealey's (April 25, 2018, 1:43 PM EDT) -- WASHINGTON, D.C. — A California federal judge’s conclusion, following a bench trial, that business and litigation misconduct bars Merck & Co. from enforcing two patents against Gilead Sciences Inc. was not clearly erroneous, the Federal Circuit U.S. Court of Appeals ruled April 25 (Gilead Sciences Inc. v. Merck & Co. Inc., et al., No. 16-2302, Fed. Cir.)....