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Qui Tam

Black's Law Dictionary · Henry Campbell Black, M.A. · 1910

Black's Law Dictionary

Lat "Who as well--------------." An action brought by an ihformer, under a statute which establishes a penalty for the commission or omission of a certain act, and provides that the same shall be recovorable in a civil action, part of the penalty to go to any person who will bring such action and the remainder to the sinte or some other institution, is called a "qui tarn action;" because the plaintiff states that he sues as well for the state as for himself.

See In re Barker, 56 Vt. 14; Grover v. Morris, 73 N. Y. 478