Delaware Recognizes Declaratory Judgment Action Concerning Biosimilar Applicant’s Failure to Give Notice of Commercial Marketing

The District of Delaware recently held that branded biologic companies may pursue a private cause of action to address a biosimilar applicant’s anticipated violation of the commercial marketing notice requirement under 42 U.S.C. § 262(1)(8)(A). In Amgen Inc. et al. v. Hospira, Inc., Civ. Action No. 15-839 (D. Del.), the Plaintiffs filed a patent infringement…