In order to start a civil proceeding under the Rules of Civil Procedures at the Superior Court of Justice, you will have to serve your documents on the other parties to the proceeding so that these other parties know that you have started a legal proceeding against them. Service gives them the opportunity to respond to your claim or application. You then have to file your proof of service with the court. This Tip Sheet will give you some information on issuing, serving and filing documents in the Superior Court of Justice in Ontario.