Why have attempts to bring development aspirations to bear on international law over a period of 50 years come to far less than any reasonable person would hope? The early claims for a New International Economic Order and permanent sovereignty by developing countries over their natural resources, efforts to delineate a body of international development law, followed by the affirmation of a human right to development, were all attempts to have economic justice reflected in international law. Figures on world poverty and inequality suggest that international law accommodated no such restructuring. This article explores why it is international law has failed the poor of the world, and what interests it has served in their stead.