Wrongful or tortious interference with contracts happens when a thirdparty intentionally causes a contracting party to commit a breach of contract. In Counts XV and XVI, Legacy asserts that the Rinks committed the tort of tortious interference with advantageous contractual relations.In order to establish a claim for interference with a contractual relationship, a plaintiff must establish that a valid contract was in existence. The complaint alleged tort liability based on theories of tortious interference with contract, misappropriation of trade secrets, and breach of fiduciary duty. Settlemeyer, 150 Colo. Defendants for tortious interference with a contract. There is nothing to keep the REALTOR® from reaching out to the sellers. B) Unlawful interference with a contractual relationship. Announcement as set out in Rule 3.2. And tortious interference with contract claims.