Generally, an evidentiary hearing is necessary before imposing a preliminary injunction. Vill. Of Lake in the Hills v.The first step to seek injunctive relief is to file your lawsuit in the appropriate county. In order to get an injunction, you have to file a Petition with the court. You must also attach an affidavit to your Petition. A temporary restraining order (TR0) is a form of injunctive relief that a person, business or government agency when starting a lawsuit. Illinois Legal Aid Online provides a guided interview called an Easy Form that will help you fill out the forms. This Preliminary Injunctive Relief Toolkit contains resources to help counsel draft and file a motion for TRO and a motion for a preliminary injunction. Free Consultation - Call 630-333-0333 - Lubin Austermuehle, P.C. helps companies with business matters in Corporate and Business law. And other matters formerly cognizable in the Circuit Court of Cook County not otherwise provided for.