The primary purpose of the DTPA is to protect consumers against false, misleading, and deceptive business and insurance practices, unconscionable actions, and. The Deceptive Trade Practices Act.This guide provides an overview of important Texas and federal laws designed to protect consumers from deceptive trade practices. The Deceptive Trade Practices Act lists 27 specific prohibited advertising or trade practices. States also have laws that govern unfair or deceptive acts or practices (UDAP laws). Were you or your business the victim of deceptive trade practices? Call a consumer protection attorney at Fell Law: 972-450-1418. The Texas Deceptive Trade Practices Act or DTPA is one of the most important consumer statutes. Texas Deceptive Trade Practices Consumer Protection Act was created to protect consumers from any false, misleading, and deceptive business practices. The Texas Deceptive Trade Practices Act provides protections for consumers, holding businesses accountable for deceptive and unfair practices.