Mealey's ( September 27, 2023, 2:56 PM EDT) -- CHICAGO — An Illinois federal judge granted in part and denied in part cross-motions for summary judgment filed by the city of Chicago and two Minnesota vape companies and their owner, finding the companies liable for sales of vape products to customers under age 21 in violation of Chicago law but ruling that their owner cannot be held liable individually and that the companies’ use of online age-verification systems does not constitute an unfair business practice....