Catalyst Pharmaceuticals Announces Settlement of FIRDAPSE® (amifampridine) Patent Litigation with Hetero Labs Ltd.

As Part of the Settlement, Hetero Labs Ltd. Receives a License to Market Generic FIRDAPSE Beginning in January 2035 Catalyst has No Other FIRDAPSE Patent Litigation Pending CORAL GABLES, Fla. , May 07, 2026 (GLOBE NEWSWIRE) -- Catalyst Pharmaceuticals, Inc. ("Catalyst" or "Company") (Nasdaq: CPRX), a commercial-stage biopharmaceutical company focused on in-licensing, developing, and commercializing novel medicines for patients living with rare and difficult-to-treat diseases, today announced that the Company and its licensor SERB S.