In Leigh Furniture & Carpet Co. v. Isom, 657 P.2d 293, 304 (Utah 1982), the Court recognized a "common-law cause of action for intentional interference with prospective economic relations." The Court explained that to establish the tort of interference with prospective economic relations the plaintiff must prove: (1) that the defendant intentionally interfered with the plaintiff's existing or potential economic relations; (2) for an improper purpose or by improper means; (3) causing injury to the plaintiff.