We strongly encourage you to file your complaint using our online complaint forms as it is the quickest way for us to receive and process your complaint. Minnesota recently amended the Deceptive Trade Practices Act (Minn. Stat.70. Subd. 5. Prohibited going out of business sales. It is illegal for any person to represent falsely that a sale is a "going out of business sale. This presentation focuses on claims for false advertising under the Lanham Act and Minnesota's Uniform Deceptive Trade Practices Act. 694, the Uniform Deceptive Trade Practices Act, Minnesota. Statutes sections 325D.43–. The kinds of activities which are unlawful under the law of the relevant jurisdiction may be laid out in the unfair and deceptive practices act of the state. 69, and the Uniform Deceptive Trade Practices Act (DTPA), Minn. Stat. 325D. Trepanier: Trepanier MacGillis Battina P.A. is a law firm located in downtown Minneapolis, Minnesota in the historic Flour Exchange Building.