leakage. 1. The waste of a liquid caused by its leaking from a storage container. 2. An allowance against duties granted by customs to an importer of liquids for losses sustained by this waste. 3.Intellectual property. Loss in value of a piece of intellectual property because of unauthorized copying. • The types of intellectual property most susceptible to leakage are recordable media such as compact discs and videotapes. [Cases: Copyrights and Intellectual Property  87(1). C.J.S. Copyrights and Intellectual Property §§ 77, 79.]

 [Blacks Law 8th]