It is possible to prepare and file your own provisional patent application. The provisional patent application cover sheet is a form that you file with the specification and drawings of your patent application.The background section should state the problem(s) that exist in the prior art. Patent Center Overview provides details on how to file an application in Patent Center. Quick Clinic Video Series. In this comprehensive guide, we will walk you through the steps of filing a patent in California, including what types of patents are available. Make the process of buying and selling patent rights easy with our patent assignment template. Create and download your agreement for free! We will now discuss the online patent filing in California. Do I need to fill out a utility application?