Online filing for Trade Names and Trademarks has been fully implemented and PDF forms are no longer accepted. Apply online (TEAS).File a trademark application and other documents online through TEAS. Fill Out The Trademark Application. Trademarks and service marks which are used in interstate or foreign commerce may be registered with the United States Patent and Trademark Office (USPTO). The IBC Law Firm can help you make sure you're not infringing another trademark owner's rights and file a federal trademark application for you. Log in to access forms. Select the type of form listed below for direct links to TEAS and TEASi forms. Tradename Registration Guidelines. The registration of trade names and marks is not legally required in Arizona, but is an accepted business practice.