On December 13, 2025, Biocon Biologics Ltd. (“Biocon”) and Regeneron Pharmaceuticals, Inc. (“Regeneron”) entered into a license and settlement agreement to dismiss all pending claims in the parties’ disputes over Biocon’s aflibercept biosimilar, YESAFILI® (aflibercept-jbvf) in Europe and the rest of the world, following an earlier settlement covering the United…
On December 11, 2025, Regeneron filed a Memorandum in Support of Its Motion to Bifurcate and Stay Amgen’s Antitrust Claims in the ongoing aflibercept patent litigation in the U.S. District Court for the Northern District of West Virginia. As we previously reported, Regeneron filed a second complaint against Amgen in…
On November 11, 2025, Sanofi and Regeneron announced that the FDA accepted for priority review its supplemental biologics license application (“sBLA”) for Dupixent (dupilumab) in the treatment of adults and children aged 6 years and older with allergic fungal rhinosinusitis (“AFRS”), with a target action date of February 28, 2026….
On November 12, 2025, Regeneron filed a Motion to Strike Certain Affirmative Defenses and Dismiss Certain Counterclaims against Amgen in the aflibercept patent litigation in the U.S. District Court for the Northern District of West Virginia. The dispute centers on Amgen’s aflibercept biosimilar, PAVBLU®. As we have previously reported, in…
The aflibercept multi-district litigation consists of multiple actions consolidated in the Northern District of West Virginia, with Regeneron Pharmaceuticals, Inc. (“Regeneron”) filing suit under the Biologics Price Competition and Innovation Act (“BPCIA”) against Amgen Inc. (“Amgen”), Mylan Pharmaceuticals Inc. (“Mylan”), Biocon Biologics Inc. (“Biocon”), Celltrion, Inc. (“Celltrion”), Formycon AG (“Formycon”),…
As we previously reported, on June 17, 2025, Regeneron filed a complaint against 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 June 17, 2025, almost eight months after Amgen announced the launch of PAVBLU on…
On September 17, 2025, Alvotech USA Inc. and Alvotech hf. (“Alvotech”) filed a Petition for Post Grant Review of U.S. Patent No. 12,168,036 (“the ‘036 patent”), assigned to Regeneron Pharmaceuticals, Inc. (“Regeneron”). The ‘036 patent, entitled “Methods for treating angiogenic eye disorders with high doses of VEGF receptor fusion proteins,”…
On September 9, 2025, the District Court for the Northern District of West Virginia entered a Stipulation and Order dismissing all claims and counterclaims in view of a settlement agreement between Sandoz, Inc. (“Sandoz”) and Regeneron Pharmaceuticals, Inc. (“Regeneron”) resolving the BPCIA litigation regarding Sandoz’s aflibercept biosimilar, ENZEEVU (aflibercept-abzv). According…
We previously reported that South Korean biopharmaceutical company Alteogen submitted its Marketing Authorization Application to the European Medicines Agency (“EMA”) for ALT-L9, what has since been named EYLUXVI. EYLUXVI is a proposed biosimilar to Regeneron’s EYLEA (aflibercept). Alteogen had previously announced clinical results demonstrating similarity between EYLUXVI and EYLEA. On…
On July 14, 2025 Fresenius filed two IPR petitions challenging Regeneron’s patents related to aflibercept. Regeneron has not asserted that Fresenius infringes either of these patents in district court litigation; however, there are a number of district court actions against other parties related to the patents challenged in Fresenius’s IPRs….