It's important to understand the process for filing a personal injury claim. Below, we will discuss a few of the most important steps in the claims process.You need a Maricopa car accident lawyer to help you fight for maximum compensation for costs related to your accident. An expert Maricopa personal injury lawyer can help. For standard car accidents you have two years from the date of the crash to file your claim. In Arizona, there are three court systems where you might file your lawsuit: justice of the peace courts, state-level superior courts and federal court. How Long Do You Have to File a Car Accident Lawsuit in Arizona? In Arizona, you have two years from the date of your accident to file a personal injury lawsuit. If the driver is uninsured or under-insured the statute of limitations is three years. They also wanted to create an environment where clients felt comfortable calling their attorney.