The Illinois Deceptive Business Practices and Consumer Fraud Act (Act) protects consumers from businesses that would try to take advantage of them. This statute is designed to protect consumers from deceptive business practices that may be used in the course of trade or commerce.Report fraud, scams, and bad business practices at ReportFraud.ftc.gov. Report identity theft at IdentityTheft.gov. Learn more about Illinois deceptive trade practices law in the following table, with links to additional resources below. Free Consultation - Call (312) 902-3344 - This page provides information about deceptive practices and fraud. Chicago, Illinois 60637. Raoul said the deceptive trade practices complaint was filed in federal court in Chicago. Editors, Law Review (1939) "Recent Cases: Trade Regulation. Invalidity of Unfair Practices Act for Uncertainty," University of Chicago Law Review: Vol.