Table of Contents
1. Peremptory norms and their legal consequences as a feature of general international law
2. Legal consequences for treaties
3. Peremptory norms outside the Vienna convention: treaties of questionable validity by reason of their content
4. Legal consequences for security council resolutions
5. Legal consequences for certain unilateral acts
6. Legal consequences in the law of international responsibility
7. Legal consequences for state immunity
General conclusions.
Daniel Costelloe, Wilmer Cutler Pickering Hale and Dorr LLP
Daniel Costelloe is a senior associate in the international arbitration group at Wilmer Cutler Pickering Hale and Dorr LLP. Before this he held a W. M. Tapp Studentship in Law at Gonville and Caius College, Cambridge.