United Therapeutics wins Delaware ruling that Liquidia infringes treprostinil PH-ILD patent claims

• United Therapeutics won a Delaware federal court ruling that Liquidia’s Yutrepia infringed two claims of its U.S. Patent No. 11,826,327.
• Decision covered Yutrepia’s PH-ILD use; court rejected Liquidia’s bid to invalidate the claims.
• Company plans to seek an order directing the FDA to withdraw Yutrepia’s NDA approval, potentially removing it until labeling drops PH-ILD.
• United Therapeutics also intends to pursue monetary damages for past infringement, including a possible royalty on Yutrepia sales.

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