The application must include a description of the mark that clearly, accurately, and completely describes every element of the mark. You can file an application to register your trademark or service mark with an intenttouse (ITU) filing basis.Has this mark been registered with the United States Patent and Trademark Office (USPTO)?. Yes. No. Log in to access forms. Select the type of form listed below for direct links to TEAS and TEASi forms. Applying for a Texas trademark registration is easy. Just fill out the Trademark or Service Mark Application Form, which can be obtained online. File a trademark application and other documents online through TEAS. Check application status (TSDR). Are you thinking of filing your trademark application yourself?