You can file the application, forms, documents, and pay fees online on the USPTO official site. In filing a patent application and paying required fees, the USPTO provides forms and an electronic filing tool.In this comprehensive guide, we will walk you through the steps of filing a patent in California, including what types of patents are available. The Pro Se Assistance Program is dedicated to help independent inventors and small businesses meet their goal of protecting valuable intellectual property. To do so, simply fill out an invention disclosure form (IDF), nondisclosure agreement (NDA), along with your basic contact information. Getting a patent in California is the same as any other state. The patent application is filed with the United States Patent and Trademark Office (USPTO). The Patent Filing Process The patent procurement process begins with conducting a disclosure interview with the inventor(s). USPTO has a patent application guide for anyone interested in issuing a patent for technical inventions that are new and unprecedented in a particular industry. Firstly, you will want to look for and hire a USPTO registered California patent agent.