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Samsung Bioepis files opposition to Janssen’s Stelara® patent application

Apr 12, 2023

Samsung filed a notice of opposition to the grant of Janssen’s Australian patent application AU2019346134 for the treatment of ulcerative colitis using an anti-IL12/IL23 antibody including Stelara® (ustekinumab).  Samsung’s Statement of Grounds and Particulars in support of the opposition are due to be filed with the Australian Patent Office by 12 July 2023.

We recently reported on Samsung’s Phase I clinical studies for SB17, its biosimilar to Janssen’s Stelara®.