Both California contract law and tort law allow for legal action when a third party wrongfully interferes with a contract or ongoing business relationship. What compensation can you claim for tortious interference?Tortious Interference: A legal claim that arises when one party wrongfully interferes with the contractual or business relationships of another. A recent California Court of Appeals case held that a property owner can be liable for tortious interference with a subcontract. If the defendant was a competitor regarding the business involved in the contract, his interference with the contract may not be improper. The court held that a plaintiff asserting a tortious interference claim involving an atwill contract must plead an independently wrongful act. However, a competitive behavior that involves improper or tortious conduct can be unlawful. Independently wrongful act in order to state a claim for intentional interference with an existing contractual relationship. Tortious interference with business relations occurs before a contract has been formed between two parties. Independently wrongful act in order to state a claim for intentional interference with an existing contractual relationship.