On June 19, 2026, Janssen Biotech, Inc. and Janssen Sciences Ireland UC (collectively, “Janssen”) filed a BPCIA Complaint in the U.S. District Court for the Eastern District of Virginia against Alvotech hf. and Alvotech USA Inc. (collectively, “Alvotech”) for patent infringement related to Alvotech’s proposed golimumab biosimilars (AVT05 SC and…
On March 31, 2026, the District Court for the District of New Jersey entered a Consent Order and Judgment in the BPCIA litigation Amgen brought against Henlius and Organon concerning their denosumab biosimilars, BILPREVDA® (denosumab‑nxxp) and BILDYOS® (denosumab‑nxxp), following a settlement between the parties. Under the consent judgment, Henlius and…
On February 27, 2026, Genentech filed a Section 337 complaint at the U.S. International Trade Commission (ITC) targeting Biocon’s proposed pertuzumab biosimilar, BMAB 1500/PERT-IJS, which references Genentech’s PERJETA®. The complaint, captioned Certain Pertuzumab Biosimilars, Including Those Made by Certain Methods of Manufacturing, the Active Ingredient Thereof, and Products Containing the…
On February 11, 2026, Samsung Bioepis, Co., Ltd (“Samsung”) and Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed a Joint Stipulation and Proposed Order seeking to dismiss all claims and counterclaims without prejudice and to vacate the preliminary injunction previously entered against Samsung. According to Regeneron, the parties entered into a settlement agreement…
This past year contained a number of significant developments in litigation involving biologics and biosimilars. The following is a recap of the top three legal developments that we covered on the Big Molecule Watch last year. The Aflibercept BPCIA Litigations Start to Resolve As in 2023 and 2024, Regeneron’s multi-district…
As we have previously reported, a group of health insurers and health insurance administrators (collectively, “CareFirst”) filed a class action complaint in 2023 against Johnson & Johnson and Janssen Biotech, Inc. (collectively, J&J), alleging multiple violations of federal and state antitrust laws arising from J&J’s STELARA® (utsekinumab) product, as well…
On November 14, 2025, Amgen, Inc. (“Amgen”) launched another BPCIA denosumab litigation when it filed a complaint in the U.S. District Court for the District of New Jersey against Alkem Laboratories Ltd., Ascend Laboratories, LLC, and Enzene Biosciences Ltd. (“Alkem”) related to Alkem’s submission to the FDA of a Biologic…
On November 6, 2025, Amgen, Inc. (“Amgen”) launched a new round of BPCIA denosumab litigations when it filed two cases in the U.S. District Court for the District of New Jersey, one against Dr. Reddy’s Laboratories (“Dr. Reddy’s”) and Alvotech, and the second against Amneal Pharmaceuticals (“Amneal”). As we previously…
On September 30, 2025, the U.S. District Court for the Northern District of California ordered Biogen MA, Inc. (“Biogen”) to pay Genentech, Inc. (“Genentech”) $88,348,123 in unpaid royalties plus interest. The parties stipulated to $35,903,701 in interest on October 3. As we reported previously, in 2004, Genentech granted a non-exclusive…
On September 5, 2025, the U.S. District Court for the District of New Jersey entered a Consent Order and Judgment resolving the denosumab BPCIA litigation between Amgen, Inc. (“Amgen”) and Samsung Bioepis Co., Ltd. and Samsung Biologics Co., Ltd. (“Samsung”), one day after Amgen and Samsung executed a Confidential Settlement…