A party claiming tortious interference with a contractual relationship or business expectancy must prove five elements. The law allows certain thirdparty interference in business relationships, so long as lines are not crossed.If a third party unfairly interferes with a business contract or relationship and causes damage, a tortious interference claim may be a viable option. If someone causes a breach or break of your business contract, they must be held responsible. Wrongful or tortious interference with contracts happens when a thirdparty intentionally causes a contracting party to commit a breach of contract. Tortious interference with a contract occurs when a third party intentionally damages the contractual between two parties. Interference with an existing contractual relation occurs when a third party interferes with an existing contract between 2 parties. Learn what to do in cases involving intentional interference with business relationships. Call us at 503-446-6261 with any questions you may have. David Kim as a party and asserted a claim for tortious interference with a contractual relationship against him.