On Friday, December 5, the U.S. Court of Appeals for the Federal Circuit rendered its decision in Sandoz v. Amgen, No. 2014-1693, a case with major implications for the emerging U.S. biosimilars industry. The decision addresses when and how a party seeking to launch a biosimilar product in the U.S. can initiate litigation to challenge the brand company’s potential blocking patents. This is the first instance in which the Federal Circuit has had the opportunity to address the scope and applicability of the Biologics Price Competition and Innovation Act (BPCIA), which established a formal pathway for biosimilar approval in the US.
Background -
At issue in Sandoz is a litigation Sandoz, Inc. initiated against Amgen, Inc. and Hoffman-La Roche Inc. on June 24, 2013. Sandoz’s complaint seeks a declaratory judgment (DJ) that two patents owned by Roche and exclusively licensed to Amgen are invalid, unenforceable, and would not be infringed by the commercial marketing of Sandoz’s biosimilarversion of Amgen’s blockbuster biologic product Enbrel® (etanercept). The patents at issue extend Amgen’s protection around etanercept an additional 15 years past the original patents. Sandoz filed its complaint against Amgen prior to filing any application with the FDA for approval to market its biosimilar etanercept product, which is currently in Phase III clinical trials. Sandoz will not file with the FDA until the Phase III trial is complete, and of course will not be able to market its version of etanercept in the US without FDA approval. At the time of suit, Amgen had not alleged Sandoz was currently doing anything that exposes it to liability for infringing Amgen’s patents rights around Enbrel®...
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