In filing a patent application and paying required fees, the USPTO provides forms and an electronic filing tool. The provisional patent application cover sheet is a form that you file with the specification and drawings of your patent application.You can file the application, forms, documents, and pay fees online on the USPTO official site. The simplest format is a Brief Description of the Invention, which is an informal description of how to make and use the invention. Enter the legal name of the inventor. The inventor does not need to print, sign, and scan the declaration for the signature. If you're ready to file a patent, LegalZoom can help. The U.S. Patent and Trademark Office (USPTO) is the agency responsible for granting U.S. patents and registering trademarks. Benefits for Disabled People. The U.S. Patent and Trademark Office (USPTO) is the agency responsible for granting U.S. patents and registering trademarks.