Discovery is used to gather information from another party in your case. Learn how and when to use it.Service of discovery shall be made in the manner provided for service of documents in Rule 11. (n) Claims of Privilege. Download and complete Motion and Notice forms from the Illinois Office of the Courts. Respondents. ) NOTICE OF SERVICE OF DISCOVERY DOCUMENTS. TO: See Attached Service List. The following forms are meant to serve as examples of the kind of documents used in first steps of litigation: the discovery process. Discovery can be obtained by: Marital Interrogatories (requests the other party to answer questions) (see Illinois Supreme Court Rule 213). An objection to each interrogatory, with proof of service upon all other parties entitled to notice.