File an online Complaint. Engaging in deceptive trade practice prima facie evidence of intent to injure competitor; other rights of action not limited.We have developed specific online complaint forms in order to assist our office in the investigation of a complaint of an alleged violation. These laws prohibit everything from using a fake trademark to altering a used car's odometer. Free Case Evaluation. Fill out the form below for a free, confidential case evaluation and we will contact you shortly. Nevada Consumer Affairs: The Office of Nevada Consumer Affairs investigates consumer complaints pertaining to deceptive and fraudulent business practices. We will review you case for free and help determine the best legal options for you. Call (916) 777-7777 or fill out a FREE Case Review Form. Nevada's deceptive trade practices act and parcel map approval statutes.