NOTES: • The Mark MUST BE IN USE IN ILLINOIS prior to registration with this office. The Trademark Division of the Illinois Secretary of State offers only one type of trademark application to protect a brand's unique logos, names, and symbols.Forms on this website are PDFs with fillable fields. Forms should be downloaded to your computer before filling in the fields. Saper Law has 20 years of experience in all aspects of trademark registration, protection, and enforcement. TEAS Standard: You can complete and submit your initial application, but you must designate a U.S.licensed attorney thereafter. Book a free trademark consult with our award-winning trademark law firm. There are two types of trademark registrations in the U.S., state and federal. You can trademark more than your company's logo. A trademark attorney in Chicago, IL can help you decide what items you can and should register as a trademark.