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Preliminary Injunctive Relief In Patent Cases: Repairing Irreparable Harm, John C. Jaros, Jorge L. Contreras, Robert L. Vigil

Utah Law Faculty Scholarship

Unlike a permanent injunction, which is an equitable remedy awarded to an injured party, a preliminary injunction is a form of interlocutory relief that is imposed by a court to preserve the status quo during litigation. In patent cases decided since (and often before) the Supreme Court’s 2006 decision in eBay v. MercExchange, courts have applied a four-factor test when considering the issuance of a permanent injunction. A similar test has evolved for preliminary injunctions, following the Court’s decision in Winter v. NRDC. Both the eBay and Winter tests rely heavily on whether the patentee is likely to suffer “irreparable” …