You can file an application to register your trademark or service mark with an intenttouse (ITU) filing basis. Log in to access forms.Select the type of form listed below for direct links to TEAS and TEASi forms. A priority claim is filed when a trademark owner wants to use its first filing date from an application filed in another country within the past six months. 35 USC § 119(e)(1) requires that a reference's claims be supported in a priority document in order to be entitled to the priority date. Filing a provisional patent application without the help of a lawyer may be an option for some inventors, but you must consider certain risks.