Biosimilar Vs. Biosimilar: Coherus Sues Amgen For Infringing Adalimumab Formulation Patents
Amgen’s manufacture in California of its biosimilar for the European market infringes three recently issued patents, says Coherus, which is considerably behind Amgen in developing its own copy of AbbVie’s Humira. Lawsuit highlights the key role that intellectual property is likely to play in protecting biosimilar formulations, one patent attorney says.
Although Amgen Inc. appears primed to get a 10.5-month head start over Coherus BioSciences Inc. in the US biosimilar adalimumab market come 2023, Coherus is seeking to leverage three new patents to get a piece of Amgen’s European biosimilar revenue now.
On Jan. 24, Coherus sued Amgen in US District Court for the District of Delaware, alleging the latter’s manufacture in...