The primary tool the Office of the Attorney General uses to protect Texas consumers is the Deceptive Trade Practices Act (DTPA). File Your Complaint Online​​ For complaints about false, misleading, or deceptive business practices.The Act gives consumers a way to sue sellers for false, misleading and deceptive business practices. If you are a business with a potential DTPA matter, call (713) 909-7323 to schedule a confidential consultation. We serve business clients throughout Texas. The primary purpose of the DTPA is to protect consumers against false, misleading, and deceptive business and insurance practices, unconscionable actions, and. This chapter lists many practices that are deceptive or misleading for consumers. Fully documenting instances of deceptive practices is crucial for proving a successful claim. Can I file a lawsuit? The Texas Deceptive Trade Practices Act (DTPA) was written into law in 1973.