Key Humira patent goes down via IPR—but biosims makers shouldn't celebrate yet
One of AbbVie’s Humira patents bit the dust late Tuesday, marking a win for biosimilars makers. But they still have a long way to go before they’ll really be able to celebrate. The U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (PTAB) handed down a verdict in Coherus BioSciences’ favor, striking down AbbVie’s ‘135 methods patent on its top drug after an inter partes review. Barclays analysts had previously referred to the shield as “one of the cornerstones of the Humira IP estate,” which AbbVie needs to keep intact if it wants to keep copycats away from Humira’s billions in...