In the evolving biosimilar landscape, patent challenges remain a critical strategy to clear the path for market entry.  Recent reforms at the Patent Trial and Appeal Board (PTAB) under Director John Squires have significantly altered the inter partes reviews (IPRs) landscape, leading to a steep decline in institution rates.  While this shift may initially appear

On March 14, 2022, Regeneron Pharmaceuticals Inc. (“Regeneron”) filed a statutory disclaimer under 37 CFR § 1.321 disclaiming all claims of U.S. Patent No. 10,857,231 B2 (the “’231 patent”) in response to a petition for a post-grant review submitted by Celltrion Inc. (“Celltrion”). On September 7, 2021, Celltrion submitted a petition for post-grant review of

Recently, in Adello Biologics LLC v. Amgen Inc., Case PGR2019-00001 (Paper No. 13) (PTAB Apr. 19, 2019), the PTAB instituted post-grant review of claims 1-30 of U.S. Patent No. 9,856,287 (“the ’287 patent”).  The ’287 patent is the patent at issue in a pending litigation between Amgen and Apotex under the Biologics Price Competition

On April 2, 2019, Eli Lilly and Company (“Lilly”) filed a Petition for Post-Grant Review (“PGR”) of Genentech’s U.S. Patent 10,011,654 (“the ’654 patent”). The ’654 patent, entitled “Antibodies Directed to IL-17A/IL-17F Heterodimers,” has just seven claims, with independent claim 1 drawn to “[a]n isolated humanized monoclonal antibody that binds to an IL-17A-17F heterodimer comprising

On June 14, 2018, Senator Orrin Hatch of Utah, the co-author of the Hatch-Waxman Act, filed an amendment to the Hatch-Waxman Act in an effort to further incentivize generic drug development. The language of the amendment, known as the Hatch-Waxman Integrity Act of 2018, states that its purpose is “to prevent the inter partes review