A party claiming tortious interference with a contractual relationship or business expectancy must prove five elements. If a third party unfairly interferes with a business contract or relationship and causes damage, a tortious interference claim may be a viable option.The law allows certain thirdparty interference in business relationships, so long as lines are not crossed. Tortious interference with a contract occurs when a third party intentionally damages the contractual between two parties. Wrongful or tortious interference with contracts happens when a thirdparty intentionally causes a contracting party to commit a breach of contract. The trial court also denied David Kim's motion for summary judgment on the tortious interference with a contractual relationship claim. Defendants' next argument is that no cause of action will lie for tortious interference with an employment contract where such a contract is terminable at will. "improper means or methods. This is known as tortious interference with a contractual relationship or business expectancy. "An action for tortious interference with a contractual relationship lies only against a third party.