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Breaking: Judgment in Regeneron v. Mylan (aflibercept) BPCIA Case Finding Some Claims of Asserted Patents Valid and Infringed

As previously reported by Big Molecule Watch, trial in Regeneron’s BPCIA case against Biocon regarding Biocon’s proposed aflibercept biosimilar concluded on June 15, 2023 in the Northern District of West Virginia.  The patents-at-issue are directed to formulations and dosing regimens for aflibercept, an anti-VEGF treatment for retinal disorders including age-related…

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Formycon Announces FDA Acceptance of the aBLA for Its Aflibercept Biosimilar

On August 29, 2023, Formycon AG and its licensing partner, Klinge Biopharma GmbH, announced that the FDA has accepted the aBLA for FYB203, Formycon’s candidate biosimilar to Regeneron’s EYLEA® (aflibercept).  As we previously reported, when Formycon submitted its aBLA in June 2023, it became the second biosimilar developer to announce…

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Amgen Intervenes in Regeneron v. Mylan BPCIA Aflibercept Litigation to Seek Public Access to Sealed Documents

As we have previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding in the U.S. District Court for the Northern District of West Virginia, with a two-week trial scheduled to begin on June 12, 2023.  On May 23, 2023, Amgen filed a motion to intervene in…

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New Patents Listed in the Purple Book for Regeneron’s EYLEA

FDA’s Purple Book provides a searchable database of licensed biological products and includes the patent information provided to biosimilar applicants during the BPCIA patent dance.  As we previously reported, a patent list for Regeneron’s EYLEA (aflibercept) was added to the Purple Book in April 2022.  That original list contained 29 patents, including…

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Regeneron v. Mylan BPCIA Aflibercept Litigation Update: Claim Construction Order and Stipulation to Narrow the Case for June 2023 Trial

As we have previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding on an expedited schedule, with a two-week trial scheduled to begin on June 12, 2023. On April 19, the Court issued a claim construction order construing seven terms from the claims of the four…

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Regeneron v. Mylan - Update on Aflibercept BPCIA Litigation

As we previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding on an expedited schedule, with a two-week trial scheduled to begin on June 12, 2023, less than a year from Regeneron’s filing of its complaint in August 2022.  The Court’s scheduling order, issued in October…

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Aflibercept IPRs Update

On March 10, 2023, the PTAB denied institution of IPR2022-1524, filed by Apotex Inc. regarding Regeneron’s Patent No. 11,253,572.  As we previously reported, Apotex filed an IPR petition against the ’572 patent in September 2022, challenging claims that generally relate to methods for treating angiogenic eye disorders with a claimed dosing regimen…

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FDA Approves Amgen’s RIABNI™ (Rituximab-arrx) for Adults With Moderate to Severe Rheumatoid Arthritis

On June 6, 2022, Amgen announced that the U.S. Food and Drug Administration has approved Amgen’s RIABNI (rituximab-arrx), a biosimilar to Genentech’s RITUXAN®, in combination with methotrexate for treatment of moderate to severely active rheumatoid arthritis (RA).  RIABNI has been approved since December 2020 for treatment of adult patients with…

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Regeneron’s Disclaimer of Aflibercept Formulation Patent Causes PTAB Denial of Institution of Celltrion PGR

On March 15, 2022, the Patent Trial and Appeal Board (PTAB) denied institution of post-grant review (PGR) proceedings initiated by Celltrion Inc. concerning Regeneron Pharmaceutical’s U.S. Patent No. 10,857,231 (the ’231 Patent) after Regeneron disclaimed the patent.  The ’231 patent has claims directed to formulations of aflibercept, the active ingredient…

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