Our comprehensive guide on "Trademark Arizona" will help you understand the ins and outs of securing your brand identity in Arizona. Filing a trademark registers a logo or slogan to be displayed on goods or services for public record.Trademarks also are referred to as service marks. Resources are available for Arizona residents to help inventors and entrepreneurs learn more about protecting their intellectual property. Tradename Registration Guidelines. The registration of trade names and marks is not legally required in Arizona, but is an accepted business practice. The Office of the Secretary of State files the registration of trade names and trademarks in the State of Arizona. The US Patent and Trademark Office (USPTO) is the agency responsible for granting US patents and registering trademarks. The U.S. Patent and Trademark Office (USPTO) is the agency responsible for granting U.S. patents and registering trademarks. A federal trademark registration is obtained through the U.S. Patent and Trademark Office (USPTO).