Polsinelli Podcasts - FDA Denies Amgen Citizen Petition in Biosimilar Dispute
On July 24, 2025, Acting Director of the USPTO, Coke Morgan Stewart, denied institution of inter partes review in IPR2025-00601 and IPR2025-00602, but referred the petition in IPR2025-00603 to the Board in Amgen Inc. v....more
On July 14, 2025, Fresenius Kabi filed IPR2025-01268 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”) and IPR2025-01269 against U.S. Patent No. 10,828,345 (“the ’345 patent”), both relating to EYLEA®...more
On July 24, 2025, the PTO Acting Director Coke Morgan Stewart discretionarily denied Amgen’s IPR2025-00601 and IPR2025-00602 challenging Bristol-Myers Squibb’s (“BMS”) U.S. Patent Nos. 9,856,320 (“the ’320 patent”) and...more
Last November, the U.S. Patent and Trademark Office issued Guidance to the Examiner Corps that was disclosed to the public at the March 19, 2024 Biotechnology, Chemical, and Pharmaceutical Partnership Meeting, on resources to...more
The new year has brought a wave of activity for EYLEA® (aflibercept) biosimilars. Following up on our previous report (EYLEA® (aflibercept) and Soliris® (eculizumab) IPR and BPCIA Litigation Updates, December 31, 2023), in...more
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
On August 18, Samsung Bioepis Co., Ltd. (“Samsung Bioepis”), filed a petition for Inter Partes Review, IPR2023-01312, challenging the validity of claims 1-18 of U.S. Patent No. 10,464,992, assigned to Regeneron...more
We previously reported on the opening post-trial briefs in Regeneron’s BPCIA case against Mylan and Biocon (who was added as a defendant after the original defendant, Mylan, transferred its rights to the aflibercept...more
Biologics have become the fastest-growing class of therapeutic compounds. They have provided innovative treatment alternatives for people who suffer from some of the most serious medical conditions known to man. The...more
2022 heralded the next chapter for biosimilars in the United States, including U.S. Food and Drug Administration approval of biosimilars in new therapeutic areas, additional interchangeable designations, and litigation...more
Welcome to our quarterly update relating to biologics and biosimilars, including post-grant and patent litigation challenges to blockbuster biologics. Since the enactment of the Biologics Price Competition and Innovation...more
This June, join the “who’s who” of the biosimilars and innovator biologics industries as they gather in Boston for ACI’s 13th Annual Summit on Biosimilars & Innovator Biologics....more
2021 saw several important milestones in the biosimilars space, including the much anticipated first interchangeable designations by FDA and the approval of the first ophthalmology biosimilar. The biosimilar market also...more
Introduction - The biosimilar pathway was designed to increase competition for biologics and reduce healthcare costs. Yet 2020 saw a slowdown in biosimilar activity with the lowest number of annual biosimilar approvals since...more
This year, the BPCIA turns 10! As we prepare to enter the next decade of this revolutionary law, we cordially invite you to join us for ACI’s 11th Annual Biosimilars & Innovator Biologics Summit, in a fully virtual,...more
Here are our picks of some legal developments to keep an eye out for in the new year: Federal Circuit Decisions on Bevacizumab and Trastuzumab Preliminary Injunctions: Appeals are pending on the District of Delaware’s...more
Here are our picks of some legal developments to keep an eye out for in the new year: 1. Etanercept biosimilar trial decision – This past September, in the Immunex v. Sandoz BPCIA patent litigation concerning Sandoz’s...more
Below is a summary of recent updates in biosimilar-related proceedings before the Patent Trial and Appeal Board of the United States Patent and Trademark Office...more
This month we highlight a district court opinion from Judge Dyk, sitting by designation, denying a preliminary injunction in a brand-vs-brand litigation, and a lengthy district court opinion from Judge Bryson, sitting by...more
This month, we highlight significant developments from July 2018, including the FDA’s Biosimilar Action Plan for “reducing gaming of FDA requirements or other attempts to unfairly delay competition” and the much anticipated...more
This month, we highlight significant developments in June 2018, including a Supreme Court decision regarding the PTAB, a federal court affirmation in Impax Laboratories Inc. v. Lannett Holdings Inc., and new legislation...more
As we noted in this article on PTAB Trial Insights, Senator Hatch (R-UT) has introduced the Hatch-Waxman Integrity Act, which is intended to restore the brand-generic balance many say has been skewed by Inter Partes Review...more
This month, we highlight significant developments in May 2018, including a stunning reverse payment decision at the FTC, draft guidance from the FDA intended to curb REMS “abuses,” and case law developments at the Federal...more
2017 was an eventful year for biosimilars in the U.S. As the number of biosimilar filings increased, important legal and regulatory decisions changed the strategic landscape of the biosimilars market for both innovators and...more
On November 17, 2017, Genentech filed suit against Pfizer in the District of Delaware, alleging that Pfizer’s biosimilar of Herceptin® infringes forty Genentech patents covering Herceptin® and its methods of use and...more