Interrogatories are written questions that are answered in writing under oath. The petitioner shall serve notice of hearing of the petition and a copy of the petition upon the attorney general.Some of the following forms are available in PDF and Word. Some of the PDF forms can be easily filled out and printed. Make the steps below to complete Discovery Interrogatories from Defendant to Plaintiff with Production Requests - Utah online quickly and easily. Discovery requests (interrogatories, requests for production, or requests for admission) and responses are not filed with the court at the time they are served. Any party may serve written interrogatories upon any other party, subject to the limits of Rule 26(c)(5). Edit, sign, and share Discovery Interrogatories from Plaintiff to Defendant with Production Requests - Utah online. Notice for Return of Service; Small Claims Affidavit and Summons. Interrogatories are one form of discovery in a lawsuit.