On June 17, 2025, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed another complaint against Amgen Inc. (“Amgen”) under the BPCIA, alleging that Amgen’s aflibercept biosimilar, PAVBLU®, infringes U.S. Patent No. 12,331,099 (“the ’099 patent”). The ’099 patent issued on the same day, with claims generally directed to a stable liquid ophthalmic formulation…
Earlier this month, a Patent Trial and Appeal Board (“PTAB”) panel denied institution of two petitions that were filed separately by Samsung Bioepis (IPR2025-00176) and Formycon (IPR2025-00233) for inter partes review (“IPR”) of Regeneron’s U.S. Patent No. 11,084,865 (the “’865 patent”). The ’865 patent issued on August 10, 2021 and is…
On June 9, 2025, biosimilar manufacturers Samsung Bioepis and Alvotech announced separate deals to expand their respective offerings in Japan and Europe. Samsung Bioepis announced a licensing, development, and commercialization agreement with NIPRO Corporation for multiple biosimilar candidates in Japan. One of these candidates is SB17, a biosimilar of Janssen’s…
On April 18, 2025, Regeneron Pharmaceuticals announced that the U.S. Food and Drug Administration has issued a complete response letter regarding the supplemental Biologics License Application for EYLEA HD (aflibercept). The supplemental application is for the addition of extended dosing intervals (up to every 24 weeks) of EYLEA HD injection…
On April 22, 2025, the U.S. District Court for the Northern District of West Virginia entered a Stipulation and Order Vacating Permanent Injunction and Dismissing All Claims and Counterclaims with Prejudice in In re: Aflibercept Patent Litigation (MDL No.: 1:24-md-3103). The stipulation had been filed the day before by Plaintiff…
On March 14, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s denial of a preliminary injunction against Amgen Inc. (“Amgen”) in the ongoing aflibercept BPCIA litigation. On October 1, 2024, the district court denied Regeneron’s motion for…
On March 5, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s entry of a preliminary injunction preventing Celltrion, Inc. (“Celltrion”) from launching CT-P42, its aflibercept biosimilar of EYLEA®. As we have previously reported, the Federal Circuit recently…
On February 18, 2025, Alvotech and Teva Pharmaceuticals (“Teva”) announced that the U.S. Food and Drug Administration (FDA) has accepted for review a Biologics License Application (BLA) for AVT06, a proposed biosimilar to EYLEA® 2 milligram (mg). AVT06 is an aflibercept biosimilar candidate for the treatment of eye disorders such…
CHMP Adopts Positive Opinion for Aflibercept, Pegfilgrastim Biosimilars: On January 30, 2025, the European Medicines Agency (EMA) Committee for Medicinal Products for Human Use (CHMP) adopted positive opinions recommending the grant of marketing authorizations for three biosimilar products—Amgen’s PAVBLU and SKOJOY, and CuraTeQ Biologics’ DYRUPEG. Amgen’s PAVBLU and SKOJOY, both biosimilars referencing EYLEA…
On January 29, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s entries of preliminary injunction preventing Samsung Bioepis Co., Ltd. (“Samsung”) and Formycon AG (“Formycon”) from marketing their aflibercept biosimilars of EYLEA®. The district court granted preliminary injunctions…