There are three basic requirements: The mark must be "in use" in Texas before the date of the application. The mark must be distinctive.Trademark Application - Application for registration of a trademark or service mark. Rev. Applying for a Texas trademark registration is easy. Just fill out the Trademark or Service Mark Application Form, which can be obtained online. You can file an application to register your trademark or service mark with an intenttouse (ITU) filing basis. Learn how to trademark your logo with this comprehensive guide. Do you need clarity on how to register a trademark? Below you will find FindLaw's step-by-step guide to applying for federal trademark registration. Learn how to trademark your logo and protect your brand today.