United Therapeutics Corporation (Nasdaq: UTHR ), a public benefit corporation, announced today that the United States Court of Appeals for the Federal Circuit affirmed the district court decision in the patent litigation United Therapeutics brought against Liquidia Technologies, Inc. The Federal Circuit affirmed that Liquidia’s proposed Yutrepia™ product infringes a United Therapeutics’ patent, U.S. Patent No. 10,716,793 (the ’793 patent ). As a result, the U.S. Food and Drug...