Formycon secures U.S. License Date for proposed Aflibercept Biosimilar FYB203 following settlement and license agreement with Regeneron
October 2, 2025 – Logistics, Other, Pharmaceutical – Formycon, Klinge Biopharma, Regeneron, Valorum, biosimilars, license agreement
- Formycon and its partners entered into a settlement and license agreement with Regeneron for FYB203/AHZANTIVE (Aflibercept-mrbb)
- Pending litigation at the U.S. District Court for the Northern District of West Virginia fully resolved
- Commercial launch of FDA approved FYB203 in the U.S. expected in Q4/2026 by commercialization partner Valorum Biologics.
2 October 2025 — Planegg-Martinsried, Germany — Formycon AG, together with its license partner Klinge Biopharma GmbH and Valorum Biologics, announces a settlement and license agreement with Regeneron Pharmaceuticals, Inc, resolving all patent disputes related to its FDA-approved Eylea 2 biosimilar for the U.S. market. Under the terms of the agreement, Valorum may launch AHZANTIVE in the United States in the fourth quarter of 2026, or potentially earlier under certain circumstances.
“This agreement marks a significant milestone for Formycon and our partners. It resolves all outstanding patent matters and establishes a clear timeline for the U.S. launch of FYB203/AHZANTIVE. Together with Valorum Biologics, our exclusive commercialization partner, we are committed to ensuring that patients and healthcare providers in the United States gain access to a high-quality, affordable biosimilar option for retinal diseases. This achievement highlights our ability to navigate complex regulatory and legal frameworks and reinforces our dedication to expanding patient access in the U.S. market,” says Nicola Mikulcik, Chief Business Officer of Formycon AG.
Regeneron initiated patent infringement proceedings against Formycon in connection with AHZANTIVE pursuant to the Biologics Price Competition and Innovation Act (BPCIA) in the US Federal District Court for the Northern District of West Virginia in November 2023. This included infringement claims under about 40 patents protecting the reference product Eylea and expiring as late as 2040. All pending litigation has now been resolved by the parties in the agreement.
FYB203/AHZANTIVE® received FDA approval in July 2024 for the treatment of patients with neovascular (wet) age-related macular degeneration (nAMD) and other serious retinal diseases, including diabetic macular edema (DME), diabetic retinopathy (DR), and macular edema following retinal vein occlusion (RVO). The active ingredient, aflibercept, inhibits vascular endothelial growth factor (VEGF), targeting abnormal blood vessel formation in the retina.
In June 2025, Formycon announced an exclusive license agreement between Klinge and U.S. biosimilars specialist Valorum for the commercialization of FYB203/AHZANTIVE in the United States and Canada.
About Formycon
Formycon AG is a leading, independent developer of high-quality biosimilars, follow-on products of biopharmaceutical medicines. The company focuses on therapies in ophthalmology, immunology, immuno-oncology and other key disease areas, covering almost the entire value chain from technical development through clinical trials to approval by the regulatory authorities. For commercialization of its biosimilars, Formycon relies on strong, well-trusted and long-term partnerships worldwide. With FYB201/ranibizumab and FYB202/ustekinumab, Formycon already has two biosimilars on the market in Europe and the USA. A third biosimilar, FYB203/aflibercept, has been approved by the FDA, EMA, and MHRA; FYB202 is also approved in Canada. Another four biosimilar candidates are currently in development. With its biosimilars, Formycon is making an important contribution to providing as many patients as possible with access to highly effective and affordable medicines. Formycon AG, headquartered in Munich, is listed in the Prime Standard of the Frankfurt Stock Exchange. Further information can be found at: https://www.formycon.com/
About Valorum Biologics
Valorum provides best-in-class execution for the regulatory approval, launch and commercialization of biosimilars in the U.S. The Valorum team brings unparalleled experience and established networks across the U.S. pharmaceutical market and is focused on optimizing commercialization in order to improve access, reach and cost savings for the healthcare system. Visit www.valorum.bio.
