A party may use one or more interrogatories which are part of a form set of interrogatories. It can be tricky to navigate the vast Cook County court system.The Chicago litigation attorneys at Smoler Law can help. Below are example interrogatories in many different types of personal injury cases for you to use to help you prepare interrogatories in your case. Before the expiration of the 14 days, any interested person may propose written cross interrogatories. A party may direct written interrogatories to any other party. A copy of the interrogatories shall be served on all other parties entitled to notice. At each attempt, Cook called several times, but the line was out of order or busy each time Cook called. Interrogatories are a written list of questions that are sent from one party to another during a pretrial factfinding process known as discovery. Clerk of the Circuit Court of Cook County, Illinois.