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Letter T
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Third Party

A person or entity not directly involved in a legal proceeding or transaction but who may be affected by or have an interest in the outcome.

Encyclopedia entry: Third Party

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third party

A third party is someone who is not directly involved in a transaction, dispute, or agreement between two principal parties . The term often refers to an outside person or entity with a secondary or indirect role.

See also: Federal Rule of Civil Procedure 14 and impleader (third party defendant )

[Last reviewed in June of 2025 by the Wex Definitions Team
]

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Encyclopedia content from Cornell LII Wex (CC-BY-NC-SA 2.5).

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This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.