Brief

Regeneron, Rival End Patent Fight Over Eye Med Biosimilar

By Adam Lidgett · October 21, 2025, 6:20 PM EDT

Regeneron and a South Korea-based rival it had accused of infringing several patents covering the U.S. biotech company's top eye medication Eylea have agreed to a settlement to put an end...

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Documents

Case Information

Case Title

Regeneron Pharmaceuticals, Inc. v. Celltrion, Inc.

Case Number

1:23-cv-00089

Court

West Virginia Northern

Nature of Suit

830 Patent

Date Filed

November 08, 2023