765 ILCS 1050/2.03

"Trade mark" means any word, name, symbol, picture, design or device registered with the Office of the Secretary of State in accordance with the Trademark Registration and Protection Act which is filed as provided in Section 3 of this Act and adopted and used by a person to identify containers made, sold, produced or distributed by him or with his authorization and which distinguishes them from containers made, sold, produced or distributed by others.