On March 5, 2025, the Federal Circuit affirmed the grant of a preliminary injunction against the launch of Celltrion’s proposed EYLEA® (aflibercept) biosimilar CT-P42 in CAFC Case Nos. 24-2058 and 24-2147 (appealing from...more
On February 28, 2025, the FDA approved Celltrion’s Stoboclo® / Osenvelt® (denosumab-bmwo) as the third company to receive FDA approval of biosimilars of Amgen’s Prolia® / Xgeva® (denosumab). ...more
On February 18, 2025, Alvotech and Teva announced the FDA acceptance of an aBLA for AVT06 (aflibercept), a proposed biosimilar of Regeneron’s EYLEA® (aflibercept). This aBLA joins Celltrion’s CT-P42 (aflibercept) awaiting...more
On March 5, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s entry of a preliminary injunction preventing Celltrion, Inc. (“Celltrion”) from...more
On January 24, 2025, Amgen announced it had reached a settlement with Celltrion in Case No. 1:24-cv-06497 (D.N.J.) related to Celltrion’s proposed biosimilar of Prolia® / Xgeva® (denosumab), CT-P41....more
On January 23, 2025, the District Court for the District of New Jersey entered a Consent Judgment and Injunction in view of a settlement agreement between Amgen and Celltrion resolving the BPCIA litigation regarding...more
On January 15, 2025, Celltrion filed IPR2025-00456 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”), challenging claims 1-17, 19-42, 44-50 as anticipated and claims 1-50 as obvious....more
As 2024 has come and passed, we saw another year of significant developments in litigation involving biologics and biosimilars. The following is a recap of the top four legal developments that we covered on the Big...more
On July 8, 2024, Regeneron, Mylan, Celltrion, and Apotex jointly stipulated to the dismissal of CAFC Appeal Nos. 23-1395 and 23-1396, appealing the Final Written Decisions finding all challenged claims of U.S. Patent Nos....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 17, 2024, Regeneron filed a second infringement litigation against Celltrion’s proposed EYLEA® (aflibercept) biosimilar CT-P42, Case No. 1:24-cv-00053 (N.D.W. Va.). The aBLA for CT-P42 was submitted to the FDA in June...more
As the era of biologics and biosimilar litigations heats up in the United States, Europe’s Unified Patent Court (UPC) is also taking center stage with the first two biosimilar disputes filed in March and April....more
Last week, Celltrion USA announced it had submitted a BLA for CT-P39, a biosimilar to XOLAIR (omalizumab). Phase 3 studies demonstrated that in patients with chronic spontaneous urticaria, CT-P39 and reference product...more
As we have previously reported, in November 2023 Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed complaints against Celltrion, Samsung Bioepis and Formycon (collectively, “the Defendants”) in the U.S. District Court for...more
On November 8, 2023, Regeneron Pharmaceuticals Inc. filed a BPCIA Complaint against Celltrion Inc. in the district court for the northern district of West Virginia, asking the Court to block Celltrion’s biosimilar product...more
On August 29, 2023, the PTAB issued final written decisions in IPR2022-00578 and IPR2022-00579, filed by Celltrion on two patents related to tocilizumab — U.S. Patent Nos. 8,580,264 and 10,874,677, owned by Chugai Seiyaku...more
Celltrion recently announced that it will start selling Yuflyma, an adalimumab biosimilar, in the U.S. in July 2023. The announcement stems from Celltrion’s recently inked patent agreement with AbbVie which allows Celltrion...more
As we start the new year, we look back at the top U.S. biosimilar market developments of 2019. Here are some of our highlights, in no particular order...more
On November 7, Teva Pharmaceuticals USA, Inc., and Celltrion, Inc., announced that TRUXIMA® (rituximab-abbs) will be available in the United States beginning November 11. As we previously reported, TRUXIMA® is the first...more
Following the Celltrion and Pfizer settlements of the trastuzumab litigation, the Federal Circuit granted the request of the Director of the PTO to intervene under 35 U.S.C. § 143 (i.e., defend a PTAB decision when a...more
Below is a rundown of some recent developments in BPCIA litigations concerning biosimilars of Genentech’s Herceptin® (trasuzumab), Rituxan® (rituximab), and Avastin® (bevacizumab). Celltrion v. Genentech (trastuzumab) and...more
Janssen Biotech Inc. and Celltrion Healthcare have taken the next step over Janssen’s blockbuster arthritis biologic medicine Remicade (infliximab) and Celltrion’s biosimilar, as required by the Biologics Price Competition...more
On April 5, 2016, the FDA approved Celltrion's application to market a biosimilar to Janssen Biotech Inc.'s REMICADE® (infliximab) anti-TNF-a antibody (see "FDA Approves Inflectra - Celltrion's REMICADE® Biosimilar"). ...more