File an online Complaint. A person engages in a "deceptive trade practice" if, in the course of his or her business or occupation, he or she: 1.Our lawyers represent consumers who have been victims of deceptive trade practices. Call 210-614-9444 to schedule a consultation. These laws prohibit everything from using a fake trademark to altering a used car's odometer. If you have been wrongly denied insurance benefits through unfair or deceptive trade practices, you can sue the wrongdoer for damages. A person engages in a "deceptive trade practice" when in the course of his or her business or occupation he or she: 1. We help secure justice when companies and businesses attempt to take advantage of consumers through the use of deception and fraud. The San Antonio consumer protection attorneys at Lang Law Firm P.C. represent consumers who are victims of deceptive trade practices. Please fill out all required fields to submit.