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Inter Partes Review (IPR) Proceeding Patent Infringement Regeneron

Venable LLP

Regeneron and Biocon Settle Litigation over EYLEA® Biosimilar Yesafili™

Venable LLP on

On April 15, 2025, Biocon announced it reached a settlement agreement with Regeneron, dismissing CAFC Appeal No. 24-2002 and Case No. 1:22-cv-00061 (N.D.W. Va.) / MDL 1:24-md-03103 (N.D.W. Va.) and allowing the...more

Venable LLP

Celltrion Files IPR on Regeneron’s EYLEA® Patent

Venable LLP on

On January 15, 2025, Celltrion filed IPR2025-00456 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”), challenging claims 1-17, 19-42, 44-50 as anticipated and claims 1-50 as obvious....more

Goodwin

Year in Review: Top Legal Developments of 2023

Goodwin on

​​​​​​​As we settle into 2024, we reflect on the significant legal developments of 2023 that hold potential impact on the biologics and biosimilars market. The following is a recap of some of the top five legal decisions and...more

Rothwell, Figg, Ernst & Manbeck, P.C.

PTAB Agrees to Review Novartis’ Patent for an Ophthalmic Injection Syringe

On October 26, 2021, the Patent Trial and Appeal Board (PTAB) granted Regeneron’s petition to institute an inter partes review (IPR) of Novartis’s patent U.S. Pat. No. 9,220,631 (“the ’631 patent”), which covers a pre-filled...more

Goodwin

Immunex Files Complaint Against Sanofi and Regeneron

Goodwin on

On April 5, Immunex (a wholly-owned subsidiary of Amgen) filed a complaint against Sanofi and Regeneron related to Sanofi and Regeneron’s Dupixent® (dupilumab) product, which received FDA approval last week. Immunex’s...more

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