International Law
Over recent years, Philippe has developed a practice in general international law, covering a wide range of subjects, acting as counsel and arbitrator.
Areas in which he currently advises, litigates and arbitrates include:
- maritime boundary disputes in the Caribbean, Atlantic and Pacific Oceans;
- international claims relating to climate change, natural resources and the environment;, international investment disputes, as arbitrator;
- issues relating to human rights and immunities;
- international crimes, including aggression, genocide, crimes against humanity and ecocide;
- international sports disputes, as arbitrator.
He appears regularly before many international courts and tribunals, including the International Court of Justice, the International Tribunal for the Law of the Sea, the International Criminal Court, the ECHR, the CJEU and the Permanent Court of Arbitration. Occasionally, Philippe also appears before the English courts.
Philippe has accepted appointments as an arbitrator in several cases under ICSID, UNCITRAL, ICC and PCA rules. He is a designated Member of the Panel of Arbitrators established by the International Centre for the Settlement of Investment Disputes. Having accepted an appointment as ICSID arbitrator, since July 2007 he has not accepted new instructions to act as counsel in investment treaty arbitrations. In June 2011, he was appointed to the panel of arbitrators of the International Court of Arbitration for Sport (ICAS), and has been appointed as arbitrator in several cases since September 2011.



