Both California contract law and tort law allow for legal action when a third party wrongfully interferes with a contract or ongoing business relationship. The court held that a plaintiff asserting a tortious interference claim involving an atwill contract must plead an independently wrongful act.Interference with an existing contractual relation occurs when a third party interferes with an existing contract between 2 parties. Intent of the third party to induce a party to the relationship to breach the relationship. If the defendant was a competitor regarding the business involved in the contract, his interference with the contract may not be improper. Tortious interference with a contract occurs when a third party intentionally damages the contractual between two parties. A tortious interference lawsuit allows you to sue the noncontracting person and recover damages for intentional or negligent acts that caused economic harm. It does not need to be a contractual relationship with an existing contract. But prior business dealings are required. 3. Wrongful or tortious interference with contracts happens when a thirdparty intentionally causes a contracting party to commit a breach of contract.