Trademark Application - Application for registration of a trademark or service mark. Rev. 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. Once you have identified your trademark and filing basis, it is time to file the application. Our firm will complete your application and file on your behalf. How Do I Register a Trademark? Preparation and Filing of Application. If your proposed trademark is not in use, we will prepare and file your application with the USPTO.