Log in to access forms. Select the type of form listed below for direct links to TEAS and TEASi forms.A lawyer experienced with trademark applications can help you ensure that your filing is correct and accurate. Here's what you should know. In the Trademark Electronic Application System (TEAS), we have one initial application form with two filing options: TEAS Plus and TEAS Standard. Legal professionals agree: Conducting a Fairfax County Trademark Search is the first step in the Fairfax Trademark application filing process. Apply online (TEAS). File a trademark application and other documents online through TEAS. We're going to talk about how to file your own trademark application with the united states patent and trademark office. U.S. Patent and Trademark Office (USPTO) ; Phone number.