By Don Nico Forbes

Shares in Liquidia rose after the U.S. Supreme Court rejected an appeal by United Therapeutics in the fellow biotech company's patent dispute.

Shares were recently up 12% at $11.20.

The court rejected United's appeal over a decision to invalidate its patent claims concerning Liquidia's drug Yutrepia, with the decision now final and not subject to further appeal, Liquidia said.

United claims the drug infringes on its patent covering the inhaled administration of the drug treprostinil. Yutrepia is an inhaled version of treprostinil. Liquidia sells treprostinil in pills, powder and injections.

On May 31, a U.S. district court had denied United's request for a preliminary injunction.

The U.S. Food and Drug Administration gave tentative approval for Yutrepia to treat adults with pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease in August, the company said. Final approval may occur after the expiration of three-year regulatory exclusivity for Tyvaso DPI on May 23, 2025, it added.

Write to Don Nico Forbes at don.forbes@wsj.com

(END) Dow Jones Newswires

October 07, 2024 10:59 ET (14:59 GMT)

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