The conspicuous absence of private international law from the current global governance debate may be traced in part to its traditional "public law taboo", fed by liberal understandings of statehood and its characteristic public/private divide, in the context of the modern schism between the public and private branches of international law. This research review assembles work that is of immediate interest to both public and private international lawyers, and more broadly to all those interested in new forms of global governance and the theory of law beyond the state.