Person signing contract - intentional interference with contractual relations is a business tort in California. Wrongfully terminated or facing workplace discrimination in CA?The most powerful tool capable of invalidating competitive restraints under California law is Business and Professions Code section 16600. Both California contract law and tort law allow for legal action when a third party wrongfully interferes with a contract or ongoing business relationship. Tortious interference occurs when one person or entity acts willfully and with intent to undermine or get in the way of a contract or business agreement. A type of unfair business practice that occurs when someone intentionally interferes with an established business relationship using unlawful or wrongful means. Contrast this with Intentional interference with existing contract. Tortious interference lawyers in California. Orange County employment lawyers. Contact California Employment Counsel APC at (714) 462-8376 to speak with a wrongful termination attorney.