In a new twist to biosimilar litigation, Genentech Inc. contends that Amgen Inc. cannot opt out of providing manufacturing process information for its biosimilar to Genentech's monoclonal antibody Avastin (bevacizumab) once it begins the exchange of patent information, known as the "patent dance."
Genentech, a unit of Roche, filed suit in Delaware District Court on Feb. 15 seeking a declaratory...






