Tortious interference with a contract occurs when a party improperly disrupts a contractual relationship between other parties. California courts have long recognized causes of action for tortious interference with contract and tortious interference with prospective economic advantage.Intentional interference with contractual relations is a cause of action under tort law, upon which a defendant may be liable for damages. We argue that the tort should be repudiated. Wrongful or tortious interference with contracts happens when a thirdparty intentionally causes a contracting party to commit a breach of contract. Do You Have a Tortious Interference with Employment Case? If you have any questions on a potential tortious interference case, please contact our legal team to schedule a complimentary consultation. 140, 670 S.E.2d 704. Wrongful interference with a contractual relationship requires select answer, a third party who select answer, and that same third party who select answer. Breach of fiduciary duty) amounted to "improper" interference with contractual relations).