Mich. Comp. Laws § 445.772 : — TRADE AND COMMERCEMICHIGAN ANTITRUST REFORM ACT — Unlawful contract, combination, or conspiracy TEXT PDF A contract, combination, or conspiracy between 2 or more persons in restraint of, or to monopolize, trade or commerce in a relevant market is unlawful. MCL 445.772 1984, Act 274, Eff. 3/29/1985 .