United Therapeutics Corporation announced that it has filed a lawsuit in the U.S. District Court for the District of Delaware against Liquidia Technologies, Inc. for infringement of the following patents relating to United Therapeutics’ product Tyvaso® Inhalation Solution: U.S. Patent Nos. 9,604,901 and 9,593,066, both of which expire in December 2028.
June 5, 2020
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