Parties may obtain discovery regarding any matter, not privileged, which is relevant to the subject matter involved in the pending action. How to Use Discovery.Fill out the form in this booklet. Discovery means the gathering of information through legally permissible ways during a civil court divorce action. Find out more and view documents here. A reply memorandum may be filed only with leave of court. Such leave must be sought within 5 days of service of a memorandum in opposition. Fill out the form(s). " sends a notice of deposition to all parties. How to send Discovery requests to the Plaintiff ; 1.