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Amgen Files BPCIA Complaint Against Celltrion Regarding Denosumab

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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

Venable LLP

Amgen Files BPCIA Lawsuit Against Celltrion’s Proposed Prolia® / Xgeva® (Denosumab) Biosimilar CT-P41

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On May 28, 2024, Amgen filed a BPCIA litigation, Case No. 1:24-cv-06497 (D.N.J.), against Celltrion’s proposed Prolia® / Xgeva® (denosumab) biosimilar CT-P41 alleging infringement of 29 of Amgen’s patents, including one...more

Venable LLP

Regeneron Files Second BPCIA Complaint Against Celltrion’s Proposed EYLEA® Biosimilar CT-P42

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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

Venable LLP

The First Biosimilar Disputes at the Unified Patent Court (UPC)

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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

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Genentech and Partners Voluntarily Dismiss IPR Appeals Related to Genentech’s ACTEMRA® (Tocilizumab)

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​​​​​​​On February 12, 2024, Chugai, Genentech, and Hoffmann-La Roche filed a motion for voluntary dismissal of their appeals of the PTAB’s Final Written Decisions in IPR2022-00578 and IPR2022-00579. The appeals concerned...more

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Updates on Aflibercept BPCIA Litigation - January 2024

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On January 10, 2024, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed a Complaint in the U.S. District Court for the Central District of California against Amgen Inc. (“Amgen”) alleging infringement of 32 patents under the...more

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Updates on Aflibercept BPCIA Litigation

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Emergency Motion for Entry of a PI Schedule Against Celltrion, Formcyon, and Samsung Bioepis - On December 28, Regeneron filed emergency motions for entry of a PI schedule in its aflibercept BPCIA cases against Celltrion,...more

Venable LLP

BPCIA Litigation Related to Proposed Eylea Biosimilar CT-P42 Filed

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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

Goodwin

PTAB Issues Final Written Decisions Finding Claims of Tocilizumab-related Patents Invalid

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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

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Celltrion Stelara (Ustekinumab) Settlement With J&J

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It has been reported that Celltrion has finalized a settlement with Johnson & Johnson (“J&J”) in the United States relating to CT-P43, Celltrion’s ustekinumab biosimilar to J&J’s STELARA®, which would permit Celltrion to...more

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Samsung Bioepis Files IPR Petition Challenging Regeneron Aflibercept Patent

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​​​​​​​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

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Aflibercept IPRs Update

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​​​​​​​On March 10, 2023, the PTAB denied institution of IPR2022-1524, filed by Apotex Inc. regarding Regeneron’s Patent No. 11,253,572. As we previously reported, Apotex filed an IPR petition against the ’572 patent in...more

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Celltrion and Samsung File IPR Petitions on Aflibercept Patents

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​​​​​​​Celltrion and Samsung recently filed IPR petitions challenging claims of Regeneron patents directed to treating angiogenic eye disorders with aflibercept. Specifically, Celltrion and Samsung have each filed petitions...more

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Celltrion Files IPR Petition on Aflibercept Patent

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Last week, Celltrion filed an IPR petition, PTAB IPR2023-00462, seeking cancellation of claims 1-18 of U.S. Patent No. 10,464,992 (“the ’992 patent”), assigned to Regeneron Pharmaceuticals, Inc. According to the Petition, the...more

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PTAB Grants Petitioner Celltrion’s Motion To Submit Supplemental Information in Tocilizumab IPR

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​​​​​​​The U.S. Patent Trials & Appeals Board (Board) recently issued an Order granting Celltrion’s motion to submit supplemental information in its IPR (2022-00578) against U.S. Pat. No. 8,580,264, owned by Chugai Seiyaku...more

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PTAB Institutes IPRs of Tocilzumab Patents Challenged by Celltrion

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​​​​​​​On August 31, 2022, the PTAB instituted two inter partes reviews of Chugai and Roche’s tocilizumab patents challenged by Celltrion, adding to the growing list of IPRs instituted against the tocilizumab patent estate....more

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Biosimilar-Related Appeals Pending before the Federal Circuit

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There are presently seven biosimilar-related appeals pending before the Federal Circuit. Two of those appeals, Amgen v. Sandoz (Case No. 18-1551) and Amgen v. Coherus (Case No. 18-1993), are from district court judgments in...more

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Judge Sets Trial Date in Janssen v. Celltrion Should Summary Judgment Be Denied

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As we reported here, in the patent dispute between Janssen and Defendants Celltrion and Hospira relating to Inflectra® (infliximab-dyyb), a biosimilar of Remicade®, there are multiple motions for summary judgment pending...more

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Trastuzumab, Rituximab, and Bevacizumab Litigation Updates

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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

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New BPCIA Litigations Regarding Celltrion’s Trastuzumab and Rituximab Biosimilars

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On January 11, 2018, Celltrion and Teva filed two lawsuits against Genentech in the District Court for the Northern District of California. Case No. 3:18-cv-00274 relates to Celltrion’s Herzuma®, its trastuzumab biosimilar. ...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Life Sciences Report - October 2017

About the PTAB Life Sciences Report:  Each month we will report on developments at the PTAB involving life sciences patents. Sun Pharmaceuticals Industries, Ltd. v. Novartis AG - PTAB Petition: IPR2017-01929; filed...more

Proskauer - New England IP Blog

Final Judgment Prescribed For Antibody Patent After Double Patenting Decision

We previously wrote about Judge Wolf’s decision to invalidate Janssen Biotech, Inc.’s (“Janssen”) biopharmaceutical patent (U.S. Patent No. 6,284,471 (the “’471 Patent”)), based on the doctrine of obviousness-type double...more

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