News & Analysis as of

Pharmaceutical Patents Celltrion Prescription Drugs

Goodwin

FDA Approves Celltrion’s New Pediatric Formulation of STEQEYMA, Expanding Dosing Flexibility

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On June 15, 2025, Celltrion announced that the FDA has approved a new 45mg/0.5mL single-dose vial presentation of STEQEYMA (ustekinumab-stba) for subcutaneous injection. ...more

Venable LLP

Humira® Biosimilar Yuflyma® (adalimumab-aaty) Designated as Interchangeable

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On April 14, 2025, Celltrion announced that the FDA designated Yuflyma® (adalimumab-aaty) as an interchangeable biosimilar of AbbVie’s Humira® (adalimumab). Yuflyma® is a high-concentration (100mg/mL) citrate-free...more

Venable LLP

March Stelara® Biosimilar Launches: Fresenius Kabi’s Otulfi® and Celltrion’s Steqeyma™

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On March 3, 2025, Fresenius Kabi and Formycon announced the launch of Otulfi™ (ustekinumab-aauz), a provisionally interchangeable biosimilar of Janssen / Johnson & Johnson’s Stelara® (ustekinumab), subject to the...more

Venable LLP

FDA Approves First Interchangeable Biosimilar of Xolair®: Celltrion’s Omlyclo® (omalizumab-igec)

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On March 7, 2025, the FDA approved Celltrion’s Omlyclo® (omalizumab-igec), the first interchangeable biosimilar of Genentech’s Xolair® (omalizumab). Omlyclo® was approved for all of Xolair®’s approved indications, including...more

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European Commission Approves Celltrion’s AVTOZMA (CT-P47)

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​​​​​​​On February 23, 2025, Celltrion announced that the European Commission (“EC”) approved its tocilizumab biosimilar, AVTOZMA® (CT-P47), referencing Roche’s ROACTEMRA®....more

Venable LLP

aBLA Updates: Stelara® Biosimilar Steqeyma™ (ustekinumab-stba) FDA-Approval; Lucentis® Biosimilar Xlucane™ (ranibizumab) aBLA...

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On December 17, 2024, the FDA approved Celltrion’s Steqeyma™ (CT-P43) (ustekinumab-stba) as the seventh biosimilar of Janssen / Johnson & Johnson’s Stelara® (ustekinumab).  Celltrion previously reached a settlement agreement...more

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Update on Recent International Biosimilar Approvals - September 2024

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Approval of Celltrion’s Ustekinumab Biosimilar in the EU:  On August 26, 2024, Celltrion announced that the European Commission (EC) granted approval for STEQEYMA, formerly known as CT-P43, a biosimilar of STELARA...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

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

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Year in Review: The Top-Five U.S. Biosimilar Market Developments of 2019

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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

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Teva and Celltrion Launch Rituximab Biosimilar in US

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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

Goodwin

Global Biosimilar Development Updates

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Over the past month, several drug developers announced updates regarding their biosimilar programs. Below are some highlights, in addition to the many biosimilar developments on which we have already reported...more

Patterson Belknap Webb & Tyler LLP

Biosimilar Litigation Update

With the U.S. biosimilar pathway created by the Biologics Price Competition and Innovation Act (BPCIA) now fully up and running, there are now seven ongoing biosimilar litigations in the U.S. Here are brief updates on recent...more

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