Go to the superior court in the county where you're suing. This will be the superior court you already wrote on the forms.The Complaint(UD-100) is the initial document filed, also known as a lawsuit. There are five sections to the complaint form. Filing a response is an important first step for any defendant in a civil lawsuit. By filing a response, you establish that you are contesting the case. Access to Forms The Superior Court of Orange County offers several options to assist the public in completing court forms. Judicial Council forms can be used in every Superior Court in California. You will need to use these forms when you file your case. A positive side of using a verified complaint is that the defendant has to submit a verification of the answers.