When an individual other than an employer intentionally interferes with another individual's employment relationship, and causes them to lose their job. Long Island, NY non-compete litigation attorney Jonathan Cooper discusses a very powerful way to defeat a tortious interference claim under NY law.Wrongful interference with a contractual relationship requires select answer, a third party who select answer, and that same third party who select answer. Tortious interference requires a tort. If a third party unfairly interferes with a business contract or relationship and causes damage, a tortious interference claim may be a viable option. You will need that contract in order to prove someone tortiously interfered. Tortious Interference Claims. A claim for tortious interference arises when (a) there is a valid contract or business expectancy between the plaintiff and a party other than the defendant. Friedman, 556 So. 2d 1158 (Fla. , a Nevada corporation ("Franklin"), is pleased to extend your employment contract on the following terms.