Examples should not be stapled, glued or taped to the application. Forms on this website are PDFs with fillable fields.Forms should be downloaded to your computer before filling in the fields. In the Trademark Electronic Application System (TEAS), we have one initial application form with two filing options: TEAS Plus and TEAS Standard. Resources are available for Illinois residents to help inventors and entrepreneurs learn more about protecting their intellectual property. The typical method of filing a patent application is using the USPTO's Patent Center Website. Navigate to the Patent Center portal and create a USPTO account. Search trademarks, apply to register your trademark, protect against scams, maintain your registration, laws and rules.