(May 18, 2017, 10:58 AM EDT) -- CHICAGO — Trademark infringement plaintiff Solo Cup Operating Corp. on May 17 won dismissal of counterclaims that Solo’s complaint is preempted by the Patent Act, 35 U.S.C. §§ 1 et seq., when an Illinois federal judge agreed that a product configuration disclosed in an expired utility patent can nonetheless be entitled to trade dress protection (Solo Cup Operating Corporation v. Lollicup USA Inc., No. 16-8041, N.D. Ill., 2017 U.S. Dist. LEXIS 74922)....