If a third party unfairly interferes with a business contract or relationship and causes damage, a tortious interference claim may be a viable option. Tortious interference with business relations involves a third party using false claims against a business in order to drive business away.I know it's a weird topic, but GA seems to love it. In What Ways Does the Law Regulate Tortious Interference? Courts have struggled with the question of when competition for business or employees crosses the line into an actionable tort. Generally, attorneys are protected from tortious interference claims arising out of the representation of clients in and out of court. This article discusses one main form of tortious interference: interference with an existing contract. Can I sue for defamation (and tortious interference with my business) when they spread lies and incite others to harass me?