Breaking News: United Therapeutics Corporation Takes Legal Action Against Alleged Infringement of Tyvaso Patent, Despite Previous Invalidity Ruling by U.S. Patent Office
United Therapeutics Corporation Files Lawsuit Alleging Infringement of Tyvaso Patent Overview United Therapeutics Corporation recently filed a lawsuit under the Hatch-Waxman Act, asserting their ‘793 patent in response to Liquidia’s amendment to its New Drug Application (NDA) to include PH-ILD on the label of YUTREPIA™. This new litigation comes after the ‘793 patent was previously…