In this module we'll learn about how the federal government has responded to false advertising and marketing to protect American consumers. You can file a claim for a deceptive practice or act under section 349 of the New York General Business Law.Misleading practices in the world of digital advertising have become increasingly prominent. False Advertising Lawsuit for Deceptive Marketing Practices. Instead, an act or practice may be found to be deceptive if it is likely to mislead consumers. The FTC's new rule is a comprehensive effort to crack down on deceptive online marketing practices, particularly targeting fake reviews and testimonials. Deceptive or false advertising is the marketing of information or visual content about a product that is misleading and unrealistic. These practices often involve using deceptive advertising, tricky labels, and packaging, altogether with the ultimate goal of increasing sales.