765 ILCS 1040/4
Any person or persons who shall in any way knowingly use the name or seal of any trade-mark or service mark owner in and about the sale of goods or services or otherwise, not being authorized to so use the same shall be deemed guilty of a Class A misdemeanor, or in the case of a counterfeit item shall be punished as provided in Section 8.
(from Ch. 140, par. 26)
(Source: P.A. 89-693, eff. 6-1-97.)