Work Highlights
International Court of Justice
- Arrest warrant of 11 April 2000 (DRC v. Belgium). Counsel to the DRC.
- Appeal Relating to the Jurisdiction of the ICAO Council under Article 84 of the Convention on International Civil Aviation (Bahrain, Egypt, Saudi Arabia and United Arab Emirates v. Qatar). Counsel to Qatar.
- Appeal Relating to the Jurisdiction of the ICAO Council under Article II, Section 2, of the 1944 International Air Services Transit Agreement (Bahrain, Egypt and United Arab Emirates v. Qatar). Counsel to Qatar.
- Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Qatar v. United Arab Emirates). Counsel to Qatar.
- Armed Activities on the Territory of the Congo [Reparation phase] (RDC v. Uganda). Counsel to Uganda.
- Arbitral Award of 3 October 1899 (Guyana v. Venezuela). Counsel to Guyana.
- Application of the Convention on the Prevention and Punishment of the Crime of Genocide (The Gambia v. Myanmar). Counsel to The Gambia.
- Land and Maritime Delimitation and Sovereignty over Islands (Gabon/Equatorial Guinea). Counsel to Equatorial Guinea.
- Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Armenia v. Azerbaijan). Counsel to Armenia.
- Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Azerbaijan v. Armenia). Counsel to Armenia.
- Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation). Counsel to Lithuania, intervener.
- Alleged Smuggling of Migrants (Lithuania v. Belarus), counsel to Lithuania.
European Court of Human Rights
- Counsel to two States in several interstate cases.
African Commission on Human and Peoples’ Rights
- Mohammed Abdullah Saleh Al-Asad v. The Republic of Djibouti. Counsel to Djibouti.
Permanent Court of Arbitration
- Arbitration pursuant to Article 32 of the Constitution of the Universal Postal Union (The State of Qatar v. The Kingdom of Bahrain). Counsel to Qatar.
- Arbitration pursuant to Article 32 of the Constitution of the Universal Postal Union (The State of Qatar v. The Arab Republic of Egypt). Counsel to Qatar.
- Arbitration pursuant to Article 32 of the Constitution of the Universal Postal Union (The State of Qatar v. The Kingdom of Saudi Arabia). Counsel to Qatar.
- Arbitration pursuant to Article 32 of the Constitution of the Universal Postal Union (The State of Qatar v. The United Arab Emirates). Counsel to Qatar.
- Arbitration pursuant to Article 27 of the Energy Charter Treaty (Republic of Azerbaijan v. Republic of Armenia). Counsel to Armenia.
- Bern Convention Arbitration (The Republic of Azerbaijan v. The Republic of Armenia). Counsel to Armenia.
Ad Hoc Arbitration (UNCITRAL Arbitration Rules)
- Ralph Humphrey et al. (12 claimants) v. NATO (Lord Mance, arbitrator). Counsel to NATO.
International Centre for the Settlement of Investment Disputes (ICSID)
- Ping An v. Belgium (ARB/12/29). Counsel to Belgium.
- Djamel Ben Ferha c. Royaume de Belgique (ARB/24/15). Counsel to Belgium.
Council of the International Civil Aviation Organization (ICAO)
- Disagreement before the ICAO Council under Article 84 of the Chicago Convention on International Civil Aviation (Qatar v. Bahrain, Egypt, Saudi Arabia, UAE). Counsel to Qatar.
- Disagreement before the ICAO Council under Article II, Section 2, of the International Air Services Transit Agreement (Qatar v. Bahrain, Egypt, Saudi Arabia, UAE). Counsel to Qatar.
Belgian Courts
- El Hamidi & Chlih v. NATO (Belgium intervening). Libya war reparation claim, counsel to Belgium and NATO.
- Jefara v. NATO (Belgium intervening). Libya war reparation claim, counsel to Belgium and NATO.
- Sipos v. NATO & Belgium. Labour dispute, counsel to NATO.
French and Luxembourg Courts
- Sinequanon v. Ukraine. Vulture fund claim, counsel to Ukraine.
Advisory work and expert opinions
- Adviser to a European State in connection with a dispute arising under the provisions of the Protocol against the Smuggling of Migrants by Land, Sea and Air.
- Adviser to a West African country on maritime delimitation.
- Expert to counsels representing one of the parties in a PCA confidential ad hoc arbitration between a state-owned enterprise and a state in the oil sector.
- Adviser to the Belgian Ministry of Foreign Affairs in connection with “hostage diplomacy” and consular relations (2023).
- Expert to the Special enquiry commission of the Belgian Parliament on the Belgian colonial past (2022).
- Expert to the Belgian Parliament on the Global Compact for Migrations (2018). -
- Member of the academic group advising the Belgian Ministry of Foreign Affairs on international law issues, including on the UN International Law Commission’s annual reports (since 2005).
- Adviser on the reform of the CSFP to the Belgian government during the negotiation of the Amsterdam treaty on the EU (1997).
- Pro bono Counsel for Médecins Sans Frontières (MSF) on legal aspects of the Mediterranean migrant crisis (summers of 2016, 2017 and 2018).
- Expert opinions for private corporations and legal entities on various matters of international law (State succession, termination of treaties, law of the sea, belligerent occupation…)