A common law tort that most often arises in commercial litigation when one party damages another party's contractual or business relationship with others. If a third party unfairly interferes with a business contract or relationship and causes damage, a tortious interference claim may be a viable option.Tortious interference occurs when one person or entity acts willfully and with intent to undermine or get in the way of a contract or business agreement. A cause of action includes all essential facts that the plaintiff must establish to demonstrate their legal right to relief. A type of unfair business practice that occurs when someone intentionally interferes with an established business relationship using unlawful or wrongful means. When an individual other than an employer intentionally interferes with another individual's employment relationship, and causes them to lose their job. A type of unfair business practice that occurs when someone intentionally interferes with an established business relationship using unlawful or wrongful means. Contrast this with Intentional interference with existing contract. From the day you apply to your first day on the job, this process can take up to about 90 days. Light pollution is the presence of any unwanted, inappropriate, or excessive artificial lighting.