Interrogatories are one form of discovery in a lawsuit. An interrogatory is a written question from one party to the lawsuit to another party to the lawsuit.Motion for Order Compelling Party to Answer Interrogatories. The Maryland Rules have form interrogatories that you can use as an example. Below are sample answers to interrogatories in a product defect case against Walt Disney. Our client has a catastrophic brain injury. The defendant may serve interrogatories no later than ten days after the time for filing a notice of intention to defend. (c) Protective Order. Forms ; Complaint Verification. PDF ; Summons with Notice.