Third party legal definition of third party

third party. Third Party. A generic legal term for any individual who does not have a direct connection with a legal transaction but who might be affected by it. A third-party beneficiary is an individual for whose benefit a contract is created even though that person is a stranger to both the agreement and the consideration. Such an individual can usually bring suit to enforce the contract or promise made for his or her benefit. A third-party action is another name for the procedural device of Impleader, which is used in a civil action by a defendant who wants to bring a third party into a lawsuit because that party will ultimately be liable for all, or part of, the damages that may be awarded to the plaintiff. third party. n. a person who is not a party to a contract or a transaction, but has an involvement (such as a buyer from one of the parties, was present when the agreement was signed, or made an offer that was rejected). The third party normally has no legal rights in the matter, unless the contract was made for the third party's benefit. third party. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.