This application is very simple, it must be filled out accurately and all information must be complete. File a trademark application and other documents online through TEAS.Check application status (TSDR). In the Trademark Electronic Application System (TEAS), we have one initial application form with two filing options: TEAS Plus and TEAS Standard. Always make sure to search for similar trademarks in the USPTO database before filing. USPTO currently has the following Form-Fillable PDFs available that will provide auto-loading of data directly into USPTO databases. To apply for a trademark, you need to avoid likelihood of confusion, determine trademark classes, select a filing basis, and choose your application type. Each patent application has several forms that must be filled out and submitted. A list of these forms can be found here. Register and log in.