Catalyst Pharmaceuticals settles FIRDAPSE patent case with Hetero Labs

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

May 7, 2026 2:44 AM EDT

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.A. (SERB) have entered into a Settlement Agreement (Agreement) with Hetero Labs Ltd., Hetero USA, Grace Consulting... More