In many civil actions, before the case is resolved there takes place a process known as pretrial discovery. This summary describes the process.A party may serve on any other party no more than 25 written interrogatories, including all discrete subparts. After commencement of an action, any party may serve written interrogatories upon any other party. This practice note discusses how to draft and serve interrogatories directed at a party in New York state court litigation. You have 30 days to respond to interrogatories, but you may ask the other party for more time. In federal court, the Federal Rules of Civil Procedure (Fed. After commencement of an action, any party may serve written interrogatories upon any other party. Interrogatories may only be served, as of right, upon a party to the action. If there are multiple parties, you can serve up to 30 interrogatories to each party.