Prasco, LLC v. Medicis Pharmaceutical Corp.
Facts
Medicis marketed a competing benzoyl peroxide cleanser, TRIAZ, marked with four patents; Prasco developed and later began marketing OSCION, which it alleged would directly compete with TRIAZ. When Prasco filed suit, defendants did not know OSCION existed, and Prasco based jurisdiction on Medicis's patent marking and on an earlier infringement suit by Medicis against Prasco involving different products and unrelated patents. After suit was filed, Prasco sent defendants a sample and ingredient list for OSCION and requested a covenant not to sue; defendants declined to withdraw their motion to dismiss but did not accuse OSCION of infringement or otherwise assert rights against it.
Issue
Whether, under MedImmune's all-the-circumstances standard, Prasco's allegations established a substantial controversy of sufficient immediacy and reality to create Article III declaratory judgment jurisdiction over its noninfringement claim.
Rule
A declaratory judgment action satisfies Article III only when, under all the circumstances, there is a substantial controversy between parties with adverse legal interests of sufficient immediacy and reality to warrant relief. In patent cases, the existence of a patent or a plaintiff's subjective fear of suit is not enough; absent actual injury, jurisdiction generally requires some affirmative act by the patentee that creates a real and immediate injury or threat of future injury fairly traceable to the patentee. A patentee's refusal to grant a covenant not to sue is relevant but not dispositive, and supplemental pleadings under Rule 15(d) may be considered to cure jurisdictional defects.
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