Both California contract law and tort law allow for legal action when a third party wrongfully interferes with a contract or ongoing business relationship. A tortious interference lawsuit allows you to sue the noncontracting person and recover damages for intentional or negligent acts that caused economic harm.When a person or business intentionally damages a business relationship or a contract you have with another business that caused or may cause economic harm. A tortious interference with contract California claim allows the recovery of damages for intentional or negligent acts resulting in economic damage. Tortious interference refers to the action of a third party who causes harm to an ongoing business arrangement. Boyd Law has some of the most talented and successful business tort lawyers in Sacramento. Offering free legal consultations. The court held that a plaintiff asserting a tortious interference claim involving an atwill contract must plead an independently wrongful act. Tortious interference is an intentional tort. As long as the interference results in the parties' contractual relationship being harmed, tortious interference might be in play.