Updates on Patent Challenges by Biosimilar Manufacturers at the PTAB
LexBlog IP
DECEMBER 21, 2023
STELARA® (ustekinumab) Four months after Janssen Biotech, Inc. 10,961,307 (“the ’307 Patent”), directed to methods of treating ulcerative colitis with ustekinumab, Biocon Biologics Inc. Both patents are assigned to Regeneron Pharmaceuticals, Inc., Samsung has now advanced further than Apotex Inc.
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