The courts have defined unfair competition as the bad faith misappropriation of the labors and expenditures of another. "The essence of an unfair competition claim under New York law is that the defendant has misappropriated the labors and expenditures of another….New York only recognizes two theories of common law unfair competition: palming off and misappropriation. What Constitutes Unfair Competition and Business Practices in New York? Slander, false accusations, and defamation can seriously hurt the reputation of a business. Consider reading this blog to learn more. Unfair competition is a commonly used term that can describe a variety of unlawful business practices. Wondering how to prove an unfair competition claim under New York law? Some common examples of unfair competition included trademark infringements, trade defamation, and misappropriation of trade secrets. What are Examples of Unfair Competition?