Illinois deceptive trade practices law adheres to the Uniform Deceptive Trade Practices Act and allows both state attorneys and private parties to file suit. The Consumer Fraud Act specifically protects consumers from questionable door-to-door sales.It gives consumers a grace period of three days. The term "consumer" means any person who purchases or contracts for the purchase of merchandise not for resale in the ordinary course of his trade or business. Costs or attorneys' fees or both may be assessed against a defendant only if the court finds that he has wilfully engaged in a deceptive trade practice. Both the Illinois Trade Secrets Act the Federal Defend Trade Secrets Act (DTSA) provide businesses with protection from misappropriation of their trade secrets. Deceptive trade practices. (a) A person engages in a deceptive trade practice when, in the course of his or her business, vocation, or occupation, the person: Relevant jurisdiction may be laid out in the unfair and deceptive practices act of the state. The Illinois Consumer Fraud and Deceptive Business Practices Act (ICFA) prohibits unfair or deceptive acts or practices in the conduct of trade or commerce.