Oklahoma Pro Se Litigant's Request for Issuance of Summons is a document filed with the court of Oklahoma to initiate the legal process. It requests the court to issue a summons to the defendant(s) in a civil lawsuit, thus initiating the lawsuit. The summons must be served to the defendant to ensure that the defendant is aware of the lawsuit and the court proceedings. There are two types of Oklahoma Pro Se Litigant's Request for Issuance of Summons: 1. Regular Summons — This summons is used when the defendant is an individual. It requires the defendant to respond to the lawsuit within a certain amount of time, usually 20 days. 2. Certified Summons — This summons is used when the defendant is a business entity or government entity. It requires the defendant to respond to the lawsuit within a certain amount of time, usually 30 days.