Polsinelli Podcasts - FDA Denies Amgen Citizen Petition in Biosimilar Dispute
On October 4, 2024, Amgen filed a BPCIA complaint in the District Court for the Northern District of Illinois Eastern Division against Fresenius Kabi related to Fresenius Kabi’s proposed biosimilar of Amgen’s PROLIA and...more
On October 4, 2024, Amgen filed Case No. 1:24-cv-09555 (N.D. Ill.) against Fresenius Kabi, alleging FKS518 (denosumab), its proposed Prolia® / Xgeva® (denosumab) biosimilar, would infringe 33 of Amgen’s patents....more
Approval of Accord’s Trastuzumab Biosimilar: On September 18, 2024, Accord announced that the Food and Drug Administration (FDA) approved a 420 mg dosage of HERCESSI (trastuzumab-strf), a biosimilar to Genentech’s HERCEPTIN...more
In a sealed order that issued on September 24, 2024, the District Court for the Northern District of West Virginia denied a preliminary injunction against Amgen in the aflibercept BPCIA litigation. ...more
On September 23, 2024, Regeneron’s motion for a preliminary injunction against the commercial launch of Amgen’s EYLEA® (aflibercept) biosimilar Pavblu™ (aflibercept-ayyh) was denied in Case No. 1:24-cv-00039 (N.D.W. Va.) /...more
To date, 2024 has not yet seen the type of mega-merger (Pfizer/Seagen) or level of agency enforcement (Sanofi/Maze or Amgen/Horizon) as 2023. But two notable investigations — one still active — show the Federal Trade...more
On August 23, 2024, the FDA approved Amgen’s Pavblu™ (aflibercept-ayyh) as the fifth biosimilar of Regeneron’s EYLEA® (aflibercept). Pavblu™ was approved with a skinny label that includes neovascular (wet) age-related macular...more
On August 12, 2024, Amgen filed Case No. 1:24-cv-08417 (D.N.J.) against Samsung Bioepis, alleging SB16 (denosumab), its proposed Prolia® / Xgeva® (denosumab) biosimilar, would infringe 34 of Amgen’s patents....more
The Patent Trial and Appeal Board (“PTAB”) recently invalidated a University of Massachusetts (“UMass”) patent related to the treatment of the skin disease vitiligo in a post-grant review. (See Forte Biosciences Inc v....more
On August 12, 2024, Amgen filed a BPCIA complaint in the District Court for the District of New Jersey against Samsung Bioepis and Samsung Biologics related to Samsung Bioepis’s proposed biosimilar of Amgen’s PROLIA and...more
The rules relating to delegated authority are complex. A taxpayer is well advised to ensure that the scope of a closing agreement the taxpayer signs is what the taxpayer expects, and that an IRS official who signs the...more
Personalized medical intervention is in a transformative phase as artificial intelligence algorithms are increasingly deployed to tailor treatments for individual patients based on their unique characteristics. Developers...more
There now is increased interest about the written description and enablement requirements for patent applications claiming antibodies. This may stem from the recent U.S. Supreme Court decision in Amgen v. Sanofi, finding lack...more
On May 28, 2024, the FDA approved Amgen’s BKEMV (eculizumab-aeeb), the first approved biosimilar of Alexion’s SOLIRIS (eculizumab). BKEMV was approved by the FDA as a 300 mg/30 mL (10 mg/mL) injection, for intravenous...more
On May 28, Amgen filed a BPCIA complaint in the District Court for the District of New Jersey against Celltrion related to its denosumab biosimilar of Amgen’s PROLIA and XGEVA. This is the second BPCIA litigation regarding...more
On May 21, Alvotech announced that it had entered into a license and supply agreement with Dr. Reddy’s Laboratories SA for the commercialization of AVT03, a proposed denosumab biosimilar. Denosumab, sold by Amgen under the...more
On May 28, 2024, Amgen filed a BPCIA litigation, Case No. 1:24-cv-06497 (D.N.J.), against Celltrion’s proposed Prolia® / Xgeva® (denosumab) biosimilar CT-P41 alleging infringement of 29 of Amgen’s patents, including one...more
In Amgen Inc. v. Sanofi, the Supreme Court unanimously held that “[i]f a patent claims an entire class of processes, machines, manufactures, or compositions of matter, the patent specification must enable a person skilled in...more
Amgen and Sandoz reached a settlement in Case No. 1:23-cv-02406 (D.N.J.) on April 29 just hours before a New Jersey District Court Judge (Christine O’Hearn) was scheduled to announce her ruling on Amgen’s preliminary...more
As we previously reported, the Judicial Panel on Multidistrict Litigation recently granted Regeneron Pharmaceutical’s (“Regeneron”) motion to establish a multi-district litigation (“MDL”) for its aflibercept BPCIA litigation....more
As we previously reported, on January 11, 2024, Regeneron Pharmaceuticals, Inc. (“Regeneron”) moved to establish a multi-district litigation (“MDL”) for its aflibercept BPCIA litigation, and to transfer its case against...more
Can a patentee really just take a pass on alleging that an accused product meets a limitation in an asserted claim, even where the case involves complex technology? That's the upshot of the court's decision in Lindis Biotech,...more
Despite increasingly aggressive rhetoric from the agencies, 2022 was largely characterized as “business as usual” in the antitrust world. In contrast, 2023 featured a significant step up in enforcement activity, including...more
The United States Patent and Trademark Office (USPTO) has published new Guidelines for Assessing Enablement in Utility Applications and Patents in View of the Supreme Court Decision in Amgen Inc. et al. v. Sanofi et al. ...more
The Supreme Court’s lone patent case from last term does not break new ground on enablement law. The Court’s core holdings—that a patent specification must enable the full scope of the claimed invention and therefore that...more