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Practice

International Court of Justice


Agent for the United Kingdom in the Questions of Interpretation and Application of the 1971 Montreal Convention arising from the Aerial Incident at Lockerbie (Libyan Arab Jamahiriya v. United Kingdom) case (1999-2003)


Agent for the United Kingdom in the Legality of Use of Force (Serbia and Montenegro v. United Kingdom) case (1999-2004)


Representative of the United Kingdom in the Legal Consequences of the Construction of the Wall in the Occupied Palestinian Territory advisory proceedings (2003-2004)


Counsel for Ukraine in the Delimitation in the Black Sea (Romania v. Ukraine) case (2007-2008)


Counsel for Kosovo in the Accordance with International Law of the Unilateral Declaration of Independence in respect of Kosovo advisory proceedings (2008-2010)


Counsel for Belgium in the Questions relating to the Obligation to Prosecute or Extradite (Belgium v. Senegal) case (2009-2012)


Counsel for Peru in the Maritime Dispute (Peru v. Chile) case (2009-2014) 


Counsel for Honduras (application to intervene) in the Territorial and Maritime Dispute (Nicaragua v. Colombia) case (2010-2011)


Counsel for Timor-Leste in the Questions relating to the Seizure and Detention of Certain Documents and Data (Timor-Leste v. Australia) case (2013-2015)


Counsel for Colombia in the Question of the Delimitation of the Continental Shelf between Nicaragua and Colombia beyond 200 nautical miles from the Nicaraguan Coast (Nicaragua v. Colombia) case (2013- )


Counsel for Colombia in the Alleged Violations of Sovereign Rights and Maritime Spaces in the Caribbean Sea (Nicaragua v. Colombia) case (2013- )


Counsel for Equatorial Guinea in the Immunities and Criminal Proceedings (Equatorial Guinea v. France) case (2016- )


Counsel for the United Kingdom in the Legal consequences of the separation of the Chagos Archipelago from Mauritius in 1965 advisory proceedings (2017-2019)


Counsel for Guatemala in Guatemala’s Territorial, Insular and Maritime Claim (Guatemala/Belize) (2019 - )


International Tribunal for the Law of the Sea


Agent for the United Kingdom in the MOX Plant case (Ireland v. United Kingdom), Provisional Measures (2001)

Counsel for Myanmar in the Dispute concerning Delimitation of the Maritime Boundary between Bangladesh and Myanmar in the Bay of Bengal case (2009-2012)


Counsel for the United Kingdom in the Responsibilities and obligations of States sponsoring persons and entities with respect to activities in the International Seabed Area advisory proceedings, Seabed Disputes Chamber (2010-2011)


Counsel for the United Kingdom in the Sub-Regional Fisheries Organization advisory proceedings (2013-2015)


Counsel for Côte d’Ivoire in the Maritime Delimitation (Ghana v. Côte d’Ivoire) case, Special Chamber (2014-2017)


Counsel for Italy in The Enrica Lexie Incident (Italy v. India) case, Provisional Measures (2015)


Counsel for Switzerland in The M/V “San Padre Pio” case (Switzerland v. Nigeria), Provisional Measures (2019)


Counsel for Switzerland in The M/V “San Padre Pio” (No. 2) case (Switzerland v. Nigeria) (2019 - )


International Criminal Court


Counsel for Jordan in the Al-Bashir case (Pre-Trial and Appeals Chambers) (2017-2019)


Inter-State arbitration


Agent for the United Kingdom in the MOX Plant case (Ireland v. United Kingdom), OSPAR Arbitration Tribunal (2001-2003)


Agent for the United Kingdom in the MOX Plant case (Ireland v. United Kingdom), UNCLOS Annex VII arbitral tribunal (2001-2006)


Counsel for India in Dispute concerning Delimitation of the Maritime Boundary between Bangladesh and India in the Bay of Bengal, UNCLOS Annex VII arbitral tribunal (2009-2014)


Counsel for Slovenia in Croatia/Slovenia (Land and Maritime Boundary), arbitral tribunal (2010-2017)


Counsel for the United Kingdom in Chagos Marine Protected Area (Mauritius v. United Kingdom), UNCLOS Annex VII arbitral tribunal (2011-2015)


Counsel for Italy in The Enrica Lexie Incident (Italy v. India), UNCLOS Annex VII arbitral tribunal (2015-2020)


President of the Arbitral Tribunal in Arbitration under Article 32 of the Constitution of the Universal Postal Union (State of Qatar v. Kingdom of Bahrain) (2020 - )

President of the Arbitral Tribunal in Arbitration under Article 32 of the Constitution of the Universal Postal Union (State of Qatar v. Arab Republic of Egypt) (2020 - )


President of the Arbitral Tribunal in Arbitration under Article 32 of the Constitution of the Universal Postal Union (State of Qatar v. Kingdom of Saudi Arabia) (2020 - )


Inter-State conciliation


Counsel for Timor-Leste in Timor Sea Conciliation (Timor-Leste v. Australia), UNCLOS Annex V conciliation commission (2016-2018)


Investment arbitration


Counsel for Kazakhstan in World Wide Minerals Ltd and Paul A Carroll, Q.C. v The Republic of Kazakhstan (2014-2015)


Co-arbitrator in Emergofin B.V. and Velbay Holdings Ltd. v. Ukraine (ICSID Case No. ARB/16/35) (2016 - )


European Court (and former Commission) of Human Rights


Agent for the United Kingdom in many cases before the European Commission and Court of Human Rights (1985-1990), including Soering v United Kingdom


Counsel for Turkey in Demopoulos and Others v Turkey, European Court of Human Rights (property in Northern Cyprus) (2009-2010)


Court of Justice of the European Union


Counsel for the United Kingdom (intervening) in Government of Gibraltar v European Commission, General Court (2009-2011)


Counsel for the United Kingdom in United Kingdom v European Commission (concerning Estrecho Oriental), General Court (2010-2011)


Counsel for the United Kingdom (appealing) in Yassin Abdullah Kadi v European Commission (Kadi II, concerning EU implementation of UN sanctions) (2010-2013)


English courts


Aziz v Aziz and Ors, Court of Appeal, judgment of 11 July 2007 (attack on dignity of Head of State) (Advocate to the Court)


Ahmed and others v HM Treasury, Supreme Court, judgment of 27 January 2010 (UK implementation of UN sanctions) (Counsel for HM Treasury)


R (oao Maya Evans) v Secretary of State for Defence, Administrative Court, judgment of 25 June 2010 (detainees in Afghanistan) (Counsel for the Secretary of State)

Khurts Bat v Investigating Judge of the German Federal Court, Administrative Court, judgment of 29 July 2011 (special mission, high-ranking office and State immunity claims) (Counsel for FCO, Interested Party)


Mutua and Ors v Foreign and Commonwealth Office, High Court, judgments of 21 July 2011/5 October 2012 (Mau Mau emergency in Kenya: issues of State succession and limitation of actions under international law) (Counsel for FCO)

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