In filing a patent application and paying required fees, the USPTO provides forms and an electronic filing tool. Filing most notices of appearance, substitution and withdrawal no longer require preparation of a separate document in the Northern District's ECF system.Matched pair analysis: NPL, withdrawal, efficiency, quality. If you click on the form number in the first column you must print it to fill it out. Once completed, note the SST number and come into our office to finish the process. EP About this file: EP3776205 ; Applicant(s), For all designated states. To create an applicant account, go to Career Pages website and click on the Sign In tab, and then Don't have an account? Similar to a provisional patent application in the U.S. patent law.