Polsinelli Podcasts - FDA Denies Amgen Citizen Petition in Biosimilar Dispute
Biosimilar Litigations include litigations relating to biosimilar/follow-on products of CDER-listed reference products. Litigations between biosimilar applicants/manufacturers and reference product sponsors as well as...more
On June 2, 2025, Sandoz announced that WYOST® (denosumab-bbdz) and Jubbonti® (denosumab-bbdz) are now available to patients in the United States. ...more
On February 13, 2025, the FDA approved Samsung Bioepis’s Ospomyv™ / Xbryk™ (denosumab-dssb) as the second interchangeable biosimilars of Amgen’s Prolia® / Xgeva® (denosumab). ...more
On January 29, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s entries of preliminary injunction preventing Samsung Bioepis Co., Ltd....more
On August 30, 2024, Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) and Samsung Bioepis Co. Ltd. (“Samsung Bioepis”) settled their BPCIA dispute related to...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
As we previously reported, Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) sued Samsung Bioepis Co. Ltd. (“Samsung”) in January 2024 in the U.S. District Court...more
In a sealed order that issued last week, the Court has granted a preliminary injunction against Samsung Bioepis in the aflibercept BPCIA litigation brought by Regeneron. ...more
Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) filed a complaint on January 3, 2024, against Samsung Bioepis Co. Ltd. (“Samsung”) in the U.S. District Court for the...more
Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed a Complaint on November 22 against Samsung Bioepis Co., Ltd. (“Bioepis”) in the U.S. District Court for the Northern District of West Virginia, alleging infringement...more
Following last month’s dismissal of the Amgen v. Kashiv filgrastim biosimilar litigation, yesterday Amgen and Tanvex filed a joint stipulation of dismissal in their BPCIA litigation concerning Tanvex’s filgrastim biosimilar...more
Yesterday, September 4, 2018, Genentech filed a complaint against Samsung Bioepis in the District of Delaware alleging infringement under the BPCIA of 21 patents based on Bioepis’s filing of an aBLA for SB3, a biosimilar...more
On May 17, 2017, Janssen sued Samsung Bioepis in the District of New Jersey for patent infringement under the BPCIA based on Samsung Bioepis’s filing of its aBLA for Renflexis® (infliximab-abda), a biosimilar of Remicade®...more
We previously reported that, according to a May 10, 2017 record on ClinicalTrials.gov, Samsung Bioepis planned to start a Phase 3 clinical trial in September 2017 on SB11, its biosimilar of Roche’s Lucentis® (ranibizumab...more
Below is our summer update on the U.S. patent litigations concerning proposed or approved biosimilar products. For additional details, please consult our BPCIA Litigation Summary Chart or our previous quarterly updates...more
Below is our spring update on the U.S. patent litigations concerning proposed or approved biosimilar products. For additional details, please consult our BPCIA Litigation Summary Chart or our previous quarterly updates...more