U.S. top court denies Teva stay in Copaxone patent fight
April 18, 2014 at 16:03 PM EDT
WASHINGTON, April 18 (Reuters) - U.S. Supreme Court Chief Justice John Roberts on Friday denied a request by Teva Pharmaceutical Industries Ltd that would have prevented a lower court ruling from going into effect while the court considers an appeal in a patent fight over Teva's top-selling multiple sclerosis drug Copaxone.