The gravamen of the action is an alleged breach of contract. A plaintiff alleging tortious interference with a contract must prove that the defendant's acts: 1) were intentional and willful; 2) were calculated to cause.4) Wrongful interference on the part of the defendant; and. Axle Products, LLC ("Dana Fort Wayne") for tortious interference with business and contractual relationships. (Jt. App. Vol. 1994)). L. Tortious Breach of Express and Implied Contracts: Wanton, Wilful, Malicious and Negligent Failure to Pay Contract Fees; and Wrongful and Malicious. Our experience includes breach of contract claims "tortious interference claims" unfair, competition claims, and copyright infringement claims. To resolve personal differences with your roommate, follow these steps (to be proactive, fill out a roommate agreement):. 1. Barnard Mfg, 285 Mich App at 369. "The elements of tortious interference with a contract are (1) the existence of a contract,.