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Janssen and Amgen settle Stelara® (ustekinemab) biosimilar patent dispute

May 22, 2023

The US District Court of Delaware has dismissed with prejudice Janssen’s patent infringement case against Amgen pertaining to its Stelara® (ustekinemab) biosimilar.  The parties agreed to dismiss the action with prejudice and each party will bear its own costs, expenses and attorney’s fees, and the proposed orders state the parties have agreed to settle the litigation.

Janssen commenced these proceedings against Amgen in November 2022 in relation to the API and MOT (UC) patents, and filed a motion for preliminary injunction in March 2023 (following dismissal of an earlier application due to non-compliance with the Court’s page limit requirements).