Given these facts, St. Francis likely liable for wrongful interference with a contractual relationship. Wrongful interference with a contractual relationship requires the existence of ___, third party ____, and ____.Tortious interference with an existing contractual relationship relies on the existence of a business agreement or contract. Wrongful interference with a contractual relationship requires the existence of an Intentional Act, Contractual Relationship, and Damages. Wrongful interference with a contractual relationship requires_____________ , a third party who__________ , and that same third party who ______. Tortious interference is a legal theory intended to allow parties to contract to fulfill contractual obligations without thirdparty interference. Our breach of contract lawyers can help you and your business prevent or mitigate any resulting damage from a breach of contract. What Elements Are Required to Prove Wrongful Interference? No. In order to succeed in a case for intentional interference you have to meet six criteria: 1. Although the Texas Supreme Court has repeatedly affirmed that a claim for tortious interference requires proof of the "existence of a contract," the courts of.