Please include in your email your phone number, serial or registration number, and a screenshot of any error message you may have received. Instructions. This petition can be filed as an ePetition.Forms on this website are PDFs with fillable fields. Forms should be downloaded to your computer before filling in the fields. Yes, you do have the option of withdrawing the trademark applications. However, it should be with the consent of the joint applicant. An applicant based in Chicago, Illinois, directs US counsel to prepare, file and prosecute an application in the United States Patent and Trademark Office. We provide students with practical experience searching, clearing and prosecuting trademark applications in the US Patent and Trademark Office (USPTO) Our Chicago trademark attorneys provide Illinois and USPTO (federal) trademark registration services to businesses of all sizes. The application process.