To obtain injunctive relief, a plaintiff must establish that the misappropriation has or threatens to cause irreparable harm to the plaintiff. Under Illinois law, actual or threatened misappropriation may be enjoined.Injunctive relief may also be granted in some cases, when applicable. The Note discusses trade secrets litigation for employers whose employees or former employees have misappropriated trade secrets. When there is a misappropriation, our team helps clients act quickly and aggressively to limit any harm and reassert control over their trade secret material. Trade Secret Misappropriation - Chicago Intellectual Property Lawyer. A plaintiff must show, however, that the misappropriation was both malicious and willful. The newsletter of the. A plaintiff must show, however, that the misappropriation was both malicious and willful. Membership in The Sedona Conference.