Law Commons^™

New Approaches To Customary International Law, Anthony D'Amato

Faculty Working Papers

Reviews Eric A. Posner, The Perils of Global Legalism; Andrew T. Guzman, How International Law Works; Brian A. Lepard, Customary International Law.

After a century of benign neglect, international theorizing has taken off. The three contributors to legal theory reviewed here can be placed along a linear spectrum with Posner at the extreme political science end, Lepard at the opposite international law end and Andrew Guzman holding up the middle.

The Concept Of Special Custom In International Law, Anthony D'Amato

Faculty Working Papers

General customary international law contains rules, norms, and principles that seem applicable to any state and not to a particular state or an exclusive grouping of states. For example, norms relating to the high seas, to airspace and outer space, to diplomatic immunities, to the rules of warfare, and so forth, apply equally to all states having occasion to be concerned with these areas. Similarly, the facts of a given case may suggest exclusively the application of general custom—such as cases concerning collision on the high seas between ships of different countries, cases involving general principles of international law, cases …

Manifest Intent And The Generation By Treaty Of Customary Rules Of International Law, Anthony D'Amato

Faculty Working Papers

I shall argue in this essay that the World Court used a method which might be called the rule of manifest intent in the North Sea Continental Shelf Cases, that this method differs from a more traditional approach found in the writings of publicists, and that this new method accords well with the growing need to objectify and place upon a scientific basis the methodology by which one may determine what in fact are the rules of customary law.