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Chambers of James Goudie QC and John Cavanagh QC

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Sean Aughey

Work 020 7632 8500
11KBW (Chambers of James Goudie QC and John Cavanagh QC)


Sean’s main practice areas are public international law, international arbitration (with a focus on investment treaty arbitration) and public law and human rights. Current and recent cases include: Belhaj v Straw (Supreme Court appeal raising state immunity and act of state, led by Rory Phillips QC, Sam Wordsworth QC and Karen Steyn QC); Tethyan Copper Company Pty Limited v Pakistan, ICSID Case No. ARB/12/1; Tethyan Copper Company Pty Ltd v Province of Balochistan, ICC Case no 18347/VRO/AGF; Karmer v Georgia, ICSID Case No. ARB/08/19; Kilic v Turkmenistan, ICSID Case No. ARB/10/1; Mauritius v United Kingdom (arbitral tribunal under Annex VII, UNCLOS) (instructed to assist counsel for the UK); R (Bancoult) v Secretary of State for Foreign and Commonwealth Affairs (No. 3) [2013] EWHC 1502 (Admin) (instructed to assist counsel for the FCO); X v Z (Children) [2015] EWCA Civ 34 (police handling of DNA data); R (Governing Body of Uplands Junior School) v Leicester City Council [2013] EWHC 4128 (Admin) (judicial review; school intervention powers); Serdar Mohammed v Secretary of State for Defence [2013] 2 All ER 778 (assisting Karen Steyn) (whether UK Armed Forces in Afghanistan have power to detain insurgents; act of state); Okouimose v City Facilities Management (UK) Ltd UKEAT/0192/11/DA (right to work and illegality).


External Researcher, International Law, Chatham House (2011-12); Stagiaire, European Court of Human Rights (2011); Volterra Fietta (2011): advising and representing companies and States on a range of international law and international arbitration matters. Bye Fellow and College Supervisor in European Union Law, Downing College (2010-11); and Defence intern, International Criminal Tribunal for the Former Yugoslavia (2009). Publications of note: ‘Targeting and Detention in Non-International Armed Conflict: Serdar Mohammed and the Limits of Human Rights Convergence’, 91International Law Studies (2015) 60-118 (with A. Sari); several short pieces on EJIL: Talk!, the Blog of the European Journal of International Law (2015); several case comments and analysis for International Law in Domestic Courts, an online database run by Oxford University Press; contributing author, Tolley’s Employment Law Handbook (2015 forthcoming), chapter on ‘Foreign Employees’.


Basic French.


Arbitration: LCIA; YIAG; Young ICSID; Young ICCA; ICDR Young & International. International law: ESIL; ILA (British branch). Public law: ALBA; HRLA.


Torpoint Community School, 1998-2005; Downing College, Cambridge (BA Hons, LLM (second in year) (total of eight academic prizes and scholarships)); Harvard Law School (Visiting Scholar (EALS)); The Hague Academy of International Law.


Swimming, hiking.

London Bar

International arbitration: counsel

Within: International arbitration: counsel – Leading juniors

Sean Aughey - 11KBWA top choice for international arbitration and public international law.

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Public international law

Within: Public international law – Leading juniors

Sean Aughey - 11KBWAbsolutely fantastic for public international law.

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Legal Developments by:
11KBW (Chambers of James Goudie QC and John Cavanagh QC)

  • Possession Proceedings 28 August 2012

    The lower courts continue to clarify the position following the decisions of the Supreme Court in Manchester City Council v Pinnock [2010] UKSC 45; [2011] 2 AC 104 and Hounslow London Borough Council v Powell [2011] UKSC 8; [2011] 2 AC 18 on the application of Article 8 ECHR to defend possession proceedings.
    - 11KBW

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