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Catalyst Pharmaceuticals Announces Settlement of FIRDAPSE (amifampridine) Patent Litigation with Teva Pharmaceuticals As Part of the Settlement, Teva Receives a License to Market Generic FIRDAPSE Beginning in February 20

Key Takeaway: Catalyst Pharmaceuticals has announced a settlement with Teva Pharmaceuticals regarding patent litigation for FIRDAPSE (amifampridine). The agreement prevents Teva from marketing a generic version of the drug before February 25, 2035, allowing Catalyst to end ongoing legal disputes with Teva. However, litigation with Hetero and Lupin continues, which may complicate Catalyst's patent protections in the future. This development marks a significant moment in Catalyst's efforts to maintain its market position for FIRDAPSE.

Market Sentiment Analysis

POSITIVE FACTORS

  • Catalyst Pharmaceuticals successfully reached a settlement with Teva regarding FIRDAPSE patents.
  • Teva is restricted from marketing a generic version of FIRDAPSE before February 25, 2035, ensuring continued market protection.
  • The settlement allows Catalyst to terminate ongoing litigation related to FIRDAPSE patents, presumably reducing legal costs.

CONCERNS & RISKS

  • Ongoing litigation against other defendants, Hetero and Lupin, may pose risks to the patent situation of FIRDAPSE.
  • The possibility of generic versions emerging before 2035 remains if certain conditions are met, which can impact future revenues.

Full Press Release Details

Catalyst Pharmaceuticals Announces Settlement of FIRDAPSE (amifampridine) Patent
Litigation with Teva Pharmaceuticals
As Part of the Settlement, Teva Receives a License to Market Generic FIRDAPSE Beginning in
CORAL GABLES, Fla., January 8, 2025- 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 Teva
Pharmaceuticals USA, Inc. and Teva Pharmaceuticals, Inc. (collectively Teva). This Agreement resolves the patent litigation brought by Catalyst and SERB in response to Teva s Abbreviated New Drug Application (ANDA) seeking approval to market a
generic version of FIRDAPSE (amifampridine) 10 mg tablets prior to expiration of the applicable patents.
Pursuant to the terms of the Agreement, Teva will not market its generic version of FIRDAPSE in the United States any earlier than February 25, 2035, if
approved by the U.S. Food and Drug Administration (FDA), unless certain limited circumstances customarily included in these types of agreements occur. In accordance with the Agreement, the parties will terminate all ongoing patent litigation between
Catalyst/SERB and Teva regarding FIRDAPSE patents pending in the U.S. District Court for the District of New Jersey. The pending FIRDAPSE patent litigation against the remaining defendants, Hetero (for all of FIRDAPSE s Orange Book-listed
patents) and Lupin (only for Catalyst s FIRDAPSE patent expiring in 2037), is ongoing.
As required by law, the companies will submit the
confidential license agreement to the U.S. Federal Trade Commission and the U.S. Department of Justice for review.
About Catalyst Pharmaceuticals
Catalyst Pharmaceuticals, Inc. (Nasdaq: CPRX) is a biopharmaceutical company committed to improving the lives of patients with rare diseases. With a
proven track record of bringing life-changing treatments to the market, we focus on in-licensing, commercializing, and developing innovative therapies. Guided by our deep commitment to patient care, we
prioritize accessibility, ensuring patients receive the care they need through a comprehensive suite of support services designed to provide seamless access and ongoing assistance. Catalyst maintains a well-established U.S. presence while actively
seeking to expand its global commercial footprint through strategic partnerships. Catalyst, headquartered in Coral Gables, FL., was recognized as one of North America s Fastest-Growing Companies on the 2024 Deloitte Technology Fast 500 List.
For more information, please visit Catalyst s website at www.catalystpharma.com.
Forward-Looking Statements
This press release contains
forward-looking statements, as that term is defined in the Private Securities Litigation Reform Act of 1995. Forward-looking statements involve known and unknown risks and uncertainties, which may cause Catalyst s actual results in future
periods to differ materially from forecasted results. A number of factors, including (i) whether the ongoing litigation matters referenced above between Catalyst/SERB and Hetero and Lupin with respect to FIRDAPSE s Orange Book listed patents will allow a generic version of FIRDAPSE to be marketed in the U.S. prior to February 25, 2035, and (ii) those factors described in Catalyst s
Annual Report on Form 10-K for the fiscal year 2023, its Quarterly Report on Form 10-Q for the fiscal quarter ending September 30, 2024, and its other filings with
the U.S. Securities and Exchange Commission ( SEC ), could adversely affect Catalyst. Copies of Catalyst s filings with the SEC are available from the SEC, may be found on Catalyst s website, or may be
obtained upon request from Catalyst. Catalyst does not undertake any obligation to update the information contained herein, which speaks only as of this date.
Source: Catalyst Pharmaceuticals, Inc.
Mary Coleman, Catalyst Pharmaceuticals, Inc.
David Schull, Russo Partners

Frequently Asked Questions

What is the settlement about FIRDAPSE?

Catalyst Pharmaceuticals settled patent litigation with Teva regarding FIRDAPSE.

When can Teva market its generic FIRDAPSE?

Teva can market its generic FIRDAPSE no earlier than February 25, 2035.

What is FIRDAPSE used for?

FIRDAPSE (amifampridine) is developed for patients with rare diseases.

Where is Catalyst Pharmaceuticals located?

Catalyst Pharmaceuticals is headquartered in Coral Gables, Florida.

What might affect Catalyst's future results?

Ongoing litigation and market approval timelines may impact Catalyst's results.

Last updated: Jan 8, 2025