A claim for tortious interference arises when (a) there is a valid contract or business expectancy between the plaintiff and a party other than the defendant. In this article, we'll talk about how Virginia's tortious interference laws can help you fight unfair business practices from other organizations.A plaintiff can bring a claim for tortious interference when a third party (the defendant) has interfered with an existing contract. A tortious interference with contract occurs when the following elements are found in a case: (1) there was a valid contractual relationship in existence. Interference with contracts or business expectancy requires proof of intent to interferere and resulting damage says personal injury lawyer Brien Roche. Wrongful or tortious interference with contracts happens when a thirdparty intentionally causes a contracting party to commit a breach of contract. The first, under tort law, is against the third party who interfered with the business relationship. If this attempt fails, the party may file a civil suit in court. 5.501 Elements of Cause of Action. Wrongful interference with a contractual relationship requires that there is a valid contract between two parties, a third party who knows the contract exists.