Wrongful interference with a contractual relationship requires the existence of _, third party_, and _. California courts have long recognized causes of action for tortious interference with contract and tortious interference with prospective economic advantage.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. Wrongful interference with a contractual relationship requires_____________ , a third party who__________ , and that same third party who ______. An essential element of intentional interference under state law is an existing business relationship. Only a "stranger to the contract" may be liable for intentional interference with contractual relations. A cause of action exists for negligent interference with another's prospective business advantage if the defendant acts unreasonably and wrongfully. On August 4, 2020, the California Supreme Court held that tortious interference with an atwill contract does require independent wrongfulness. â–« Tortious interference with prospective contractual relations.