You can file a claim for a deceptive practice or act under section 349 of the New York General Business Law. Levy Goldenberg LLP, represents consumers and corporate competitors who have been harmed due to a business' deceptive trade practices.The jury verdict found liability for breach of an implied warranty of merchantability, but rejected Clark's claim under the Texas Deceptive Trade Practices Act. We have handled over 1,500 unfair competition, trade secrets, and restrictive covenant cases for more than 1,000 clients. The Indiana Court of Appeals affirmed. Which the work shall be complete. 8. What is a deceptive trade or business practice? What is a deceptive trade or business practice? Specifically, the FTCA makes it unlawful to use "unfair or deceptive acts or practices in or affecting commerce. The Bellevuebased accounting firm says it did everything it was required to do and calls the complaint "overreaching and vindictive."