UPDATE 1-U.S. court upholds dismissal of $200 mln Merck verdict against Gilead
April 25, 2018 at 17:31 PM EDT
April 25 (Reuters) - A U.S. appeals court on Wednesday affirmed a ruling that pharmaceutical company Merck & Co dishonestly obtained patent rights and was not entitled to collect a $200 million infringement verdict it won against rival Gilead Sciences Inc.