Form Interrogatories are a list of questions on a court form. The interrogatories below are form interrogatories approved for use in civil cases.If there is more than one Request for. This HowTo Guide addresses the steps for filing and serving motions in general civil cases in Contra Costa County Superior Court. This packet provides general guidance about asking written questions to another party in the case. Shocked, Luke (but not Leia) hired an attorney to file a. Petition in the Probate Division of the Contra Costa. We've been in the Contra Costa County area since 1985, and we've helped thousands of people and companies. Get help filling up these out from A People's Choice for the best accuracy. GC-310 Petition for Consultation of Probate Conservator.