Professional practice

Chambers and Partners 2020

Dan Sarooshi QC is an advocate with a track record of success in high profile cases. He is a specialist in public international law, investment treaty arbitration, and public and constitutional law, but he also has considerable experience in high value commercial litigation. He is a veteran of many cases in international courts (International Court of Justice, European Court of Human Rights, WTO, UN Tribunals); investment arbitrations (ICSID, ICSID AF, ECT, PCA, NAFTA, ICC, UNCITRAL, and LCIA); and the highest domestic courts in the UK, Hong Kong, and Bahamas. In the area of international law alone he has argued 17 cases in the past three years as advocate and counsel for States, international organisations, and corporations.

His clients include 18 States (e.g. UK and USA), 15 international organizations, and corporations (e.g. BAT, Exxon Mobil, Hitachi, Roche, and Tesco). Before taking Silk, he was a member of both the UK Attorney General (AG) Panel of Counsel for Public International Law cases and the AG Panel of Counsel for Constitutional and Commercial Law cases.

The independent legal directories describe him as “clearly one of the leaders at the Bar for public international law”, “a precious commodity” who is “a dream to work with”, an “extremely bright advocate with a keen sense of strategy and excellent litigation instincts”, and as someone who “combines immense intelligence with” the “well-earned reputation to be counted among the finest in London.

Examples of high profile cases include the following (for more detail and other cases, see subject headings below):

  • Acted for the UAE in the International Court of Justice in Qatar v. UAE.
  • Successfully acted for the USA in four separate cases relating to US military bases in the UK: Harrington v. USA, Webster v. USA, Swan v. USA, and Wright v. USA.
  • Successfully acted for the UK in the Elgin Marbles – Parthenon Sculptures dispute.
  • Ongoing instruction as UK law expert for Grenfell Tower victims in US proceedings against manufacturers of the cladding used on the Tower: Behrens et al. v. Arnonic et al.
  • Successfully acted for the UK in the European Court of Human Rights in Naftogaz v. UK.
  • Successfully acted for Exxon Mobil in the ICSID (AF)/NAFTA arbitration Mobil v. Canada.
  • Acted for an investor in a gold mine in the PCA arbitration Gold Pool v. Kazakhstan.
  • Successfully acted for large-scale farmers in the ICSID arbitration Von Pezold v. Zimbabwe.
  • Acted for steel plant owners in the ICSID (AF) arbitration MNSS and RCA Montenegro.
  • Successfully acted for the Central Bank of Venezuela in the English Court of Appeal in the case deciding control over c. $2 billion of gold held in the Bank of England.
  • Successfully acted for lead claimant Gina Miller in the UK Supreme Court in the Brexit case.
  • Acted for Iraq’s State Oil Marketing Organization in the UK Supreme Court, Court of Appeal (successful in CA), and Commercial Court (successful in Comm. Ct) in Taurus v. SOMO.
  • Successfully acted for the International Oil Pollution Compensation Fund 1971 to obtain the dismissal of the US$60 million claim brought by a P&I Club in Gard v. IOPC.
  • Successfully acted for the UK Government to intervene and obtain the discharge of freezing orders against 47 bank accounts of a foreign Embassy in London in Theognosia v. Turkey.
  • Acted for the Libyan Embassy in Janah v. Libya and Benkharbouche v. Sudan where the Supreme Court/Court of Appeal changed UK law on State immunity to allow Embassies to be sued by employees.
  • Acted for BAT in the Court of Appeal in the multi-billion pound judicial review of the Government’s “plain packaging” regulation of cigarette sales in R (BAT) SoS for Health.
  • Successfully acted in the Bahamian Supreme Court: the Government was held in breach of the Constitution and a Minister fined $150,000 for reading out private emails in Parliament.
  • Acted in Hong Kong’s top court in FG Hemisphere v. Congo that decided on the constitutional relationship between China and Hong Kong post-handover & State immunity.
  • Acted for US military personnel and their families to enforce Judgments of c. $US900 million against Iran for its sponsorship of terrorist attacks: Heiser and 122 Others Iran.

 

Constitutional and Public Law Cases in the UK and Commonwealth
  • R (Miller) SoS (Exiting the EU) [2018] AC 61 (Supreme Court) (for Gina Miller in the Brexit case on whether it is Parliament or the Government who is lawfully able to terminate UK membership in the EU).
  • R (British American Tobacco) SoS (Health) [2018] Q.B. 149 (Court of Appeal) (for BAT in this multi-billion pound judicial review of the Government’s “plain packaging” regulation of cigarette sales).
  • Benkharbouche v. Sudan (SoS (FCO) Intervening) and Janah Libya [2016] QB 347 (for Libya in the Court of Appeal (upheld by Supreme Court): this case changed the law to allow Embassies to be sued by employees.)
  • SoS (FCO) and SoS (Defence) Rahmatullah [2013] 1 AC 614 (Supreme Court) (for UK in decision on constitutional law: judicial review, habeas corpus, and separation of powers).
  • The “Maduro Board” of the Central Bank of Venezuela v. The “Guaido Board” of the Central Bank of Venezuela (ex parte The Governor and Company of the Bank of England”) [2020] EWCA Civ 1249 (brought in for the Court of Appeal: constitutional issues include the “one voice” principle and limits on the prerogative power of the executive to recognise foreign States and Governments.)
  • STB and Bacon v. AG Bahamas (Bahamas Supreme Court) (Government held in breach of the Constitution and Minister fined $150,000 for reading out private emails in Parliament).
  • Local Authority v. AG, DG, SG, and GG (SOS (FCO) Intervening) (ongoing case where a Local Authority seeks a declaration of incompatibility of provisions of the Diplomatic Privileges Act 1964).
  • AB and CD v. AG Virgin Islands and SoS (FCO) (for individuals in this constitutional challenge against UK Government and BVI Government in relation to breach of privacy that will be caused by the imposition of a publicly accessible register of beneficial interests on the BVI).
  • Advised the State Attorney-General of Sarawak on a landmark constitutional case against the Federal Government concerning the constitutionality of three Federal statutes relating to the territorial sea, continental shelf, and petroleum mining in the state of Sarawak.
  • Garfield Rich and Jason McCoy v Cayman Islands Government and AG of the Cayman Islands (ongoing).
  • SRG PUC & AG Bahamas (Bahamas Supreme Court) (regulatory/telecoms).
  • FG Hemisphere Congo & Others (Secretary for Justice intervening) [2011] HKCFA 41 (Hong Kong Court of Final Appeal) (case on the constitutional relationship between China and Hong Kong post-handover).
  • Advised the UK Government on potential judicial review proceedings regarding the multi-billion pound expansion of Heathrow
  • Acted for Sir Philip Green in response to his naming by Lord Hain in the House of Lords in 2018 as the high-profile businessman in the NDA case of ABC v. Telegraph Media Group.
  • Advised Sir Philip Green in response to statements by MPs / Chair of the UK Parliament Work and Pensions Committee.
  • Advised Roche on its regulatory dispute with the European Commission and the European Medicines Agency.
  • Advised a foreign State on whether the judgment of its Constitutional Court given against the UK can be enforced by the English courts against HMG.
Court Litigation Relating to Arbitration and General Commercial Litigation
  • Taurus SOMO, Iraq Oil Ministry (enforcement of UNCITRAL award, letters of credit, situs of debt, third party debt orders, and State/Central Bank immunities). Case in Supreme Court ([2017] UKSC 64); Court of Appeal ([2016] 1 Lloyd’s Rep 42), & Commercial Court ([2014] 1 All ER 942).
  • A v. B [2018] 5 WLUK 366 (enforcement of UNCITRAL award against a State and relief from sanctions).
  • Progas v. Pakistan [2018] 2 All E.R. 287 (challenge to UNCITRAL award; first case to deal with third party funding of investment arbitration).
  • UCP v. Nectrus[2018] 1 W.L.R. 3409 (investment services contract).
  • Heiser and 132 others Iran: litigation over 7 years relating to enforcement of c.$775M US Judgments against Iran’s commercial assets in the UK: [2019] EWHC 2074, [2019] EWHC 2073, & [2012] EWHC 2938.
  • Ben Rafael and 6 others v. Iran [2015] EWHC 3203 (enforcement of a c.$75M US Judgment against Iran’s commercial assets in the UK).
  • Theognosia Turkey (SoS for FCO) 2016 (freezing order discharge).
  • Cruz City Unitech [2015] 1 All ER 305 (resisting enforcement of LCIA Award and discharge of “Chabra” freezing order).
  • Gard IOPC Fund [2014] EWHC 3369 (loans, indemnities, & immunity).
  • Gard IOPC Fund [2014] EWHC 1394 (freezing order discharge).
  • FG Hemisphere Congo & Others [2011] HKCFA 41 (enforcement of ICC awards).
  • Serbia Imagesat [2010] 2 All ER (Comm) 571 (challenge to ICC award, waiver, State succession, and non-justiciability).
  • Croatia v. Serbia [2010] Ch 2000 (property / SFRY succession issues).
  • Westpark Kingfisher Airlines. This case was heard in the Court of Appeal [2009] EWCA Civ 526; and Commercial Court [2008] EWHC 3233.
  • Acting as UK law expert for Grenfell Tower victims in the US proceedings against the manufacturers of the cladding used on the Tower: Kristen Behrens et al. v. Arnonic et al. (US Federal District Court, Pennsylvania).
Employment Disputes
  • Representing the USA in the ongoing UK Employment Appeal Tribunal (“EAT”) case of Webster v. USA (State immunity).
  • Representing the USA in the ongoing EAT case of Wright v. USA (State immunity)
  • Representing the USA in two ongoing ET cases which concern State immunity: Chambers v. USA and Houghton v. USA
  • Representing the Kuwait Investment Office (KIO) in four ongoing ET cases which concern State/diplomatic immunity: Hard v. KIO; Locke v. KIO; Taylor v. KIO; and Vithlani v. USA.
  • Successfully represented the USA in four ET cases by obtaining the dismissal of a variety of employment claims against the USA relating to its military bases in the UK: Harrington v. USA180 ILR 454 (2015); Webster v. USA [2019] 10 WLUK 500; Wright v. USA [2019] 10 WLUK 500; and Swan v. USA, Case No. 3330976/2018.
  • Represented Libya in the joined cases that led the Court of Appeal (affirmed by the Supreme Court) to change UK law to permit foreign Embassies to be sued by their employees: Benkharbouche v. Sudan (SoS for Foreign & Commonwealth Affairs intervening) and Janah Libya (SoS for Foreign & Commonwealth Affairs intervening) [2016] QB 347 (CA), [2015] 3 WLR 301.
  • Successfully representing and advising five international organizations in international employment disputes: ILOAT and ad hoc dispute systems, including drafting of appeal systems.
  • Represented the European Bank for Reconstruction and Development in an employment dispute before the UK ET (case settled on confidential basis).
  • Represented Ambassador Kassam (Ugandan Embassy to the UK) in Wokuri Kassam [2013] Ch. 80, [2012] 2 All ER 1195 (obtained eventual dismissal of employment claim).
  • Advised a foreign State on whether the judgment of its Constitutional Court given against the UK Embassy in relation to an employment claim can be enforced by the English courts against HMG in the UK.
International Investment Arbitration

Acted as Counsel or Expert both for and against States in 28 arbitration tribunal proceedings under ICSID (also ECT & AF), PCA, NAFTA, ICC, UNCITRAL & LCIA Rules. Non-confidential cases include:

  • Gold Pool JV Ltd v. Kazakhstan, PCA Case No. 2016-23.
  • Iskandar Safa and Akram Safa v. Greece, ICSID Case No. ARB/16/20.
  • MNSS and RCA Montenegro, ICSID Case No. ARB(AF)/12/8.
  • Imagesat InternationalV. v. Serbia, ICC arbitration, Case No.14839/FM.
  • Murphy Oil Ecuador, ICSID Case No. ARB/08/4.
  • Sempra Energy Argentina, ICSID Case No. ARB/02/16.
  • Bernhard von Pezold Zimbabwe, ICSID Case No. ARB/10/15.
  • Border Timbers Zimbabwe, ICSID Case No. ARB/10/25.
  • Mobil Canada, ICSID Case No. ARB(AF)/15/6 (NAFTA).
  • KS Invest GmbH & TLS Spain, ICSID Case No. ARB/15/25.
  • Surfeit Harvest Investment Ltd v Republic of China (Taiwan), PCA.
  • Advised the UK on the proposed Transatlantic Trade and Investment Partnership (TTIP)
  • Advised the UK on potential investment claims regarding the multi-billion pound expansion of Heathrow airport.
  • Advised a bank on investment claims against a State in South East Asia.
Public International Law
  • International Court of Justice (“ICJ”):
    • Application of the International Convention on the Elimination of All Forms of Racial Discrimination (Qatar v. United Arab Emirates) for the UAE. The oral advocacy by Professor Sarooshi Q.C. in the ICJ can be viewed on UN TV by clicking on the following link (and then click on the video with the lady on the front page): DSQC-ICJ-2019-1. For his rebuttal in the ICJ, see the video on UN TV by clicking on the following link and then going to the time at 40:19: DSQC-ICJ-2019-2.
    • UK Libya (Provisional Measures) (Lockerbie Bombing/terrorism case) for UK working with Professor Rosalyn Higgins QC;
    • Chad Libya for Chad working with Professor Higgins QC;
    • Slovakia Hungary for Slovakia working with Professor Higgins QC,
    • East Timor (Portugal Australia) for Portugal working with Professor Higgins QC.
  • European Court of Human Rights: Nak Naftogaz Ukrainy UK, App. 62976/12 (for UK: £27 million case brought by Ukraine’s national gas supplier against the UK).
  • World Trade Organization/Regulatory Law: Dan was appointed in 2006 as a Member of the WTO Dispute Settlement list of Panellists (nominated by the UK and EU). He has represented and advised States and FTSE 100 companies in a broad range of WTO/regulatory matters including:
    • For British American Tobacco in its regulatory dispute with the Australian Government in the WTO case: Australia – Certain Measures Concerning Plain Packaging Requirements Applicable to Tobacco Products and Packaging, 28 June 2018, WT/DS435/R, WTO Panel Report (888 pages).
    • For British American Tobacco in its regulatory dispute with the UK Government and arguing using WTO law in R (British American Tobacco) v. SoS for Health (Court of Appeal) [2018] Q.B. 149.
    • Advised the UK Government on (i) proposed Transatlantic Trade and Investment Partnership (TTIP) being negotiated by the EU and the USA; (ii) proposed EU Regulations and Directives aimed at preventing future crises in European financial markets and evaluating their compatibility with EU/UK obligations under WTO Agreements; and (iii) the scope and application of the WTO Subsidies Agreement, Aircraft Sector Understanding, and OECD Arrangement on Export Credit.
    • Advised Reuters in its regulatory dispute with two WTO member States (i) using the GATS and competition law; and (ii) to secure a State’s amendment of its draft Financial Services Reform Bill.
    • Advised Tesco plc on (i) its regulatory dispute with a WTO member State that was preventing the opening of 42 retail stores; and (ii) the WTO incompatibility of a surcharge tax being imposed by a WTO member State.
    • Advised a global telecommunications corporation in its regulatory and competition disputes with three WTO members using the WTO GATS, Telecoms Agreement, and competition law.
    • Advised Hitachi (with Slaughter & May) on a regulatory investigation conducted by a multilateral development bank.
    • Advised the Commonwealth Secretariat on the WTO GATS and Annex on Financial Services, and their relationship with standards from the OECD, FATF, and Basel Committee.
    • Advised the UN World Food Programme on a WTO member State’s obligations under the WTO subsidies agreement and the WTO Agreement on Agriculture.
    • Advised the government of Albania on the WTO compatibility of its proposed sale and privatisation for 120 million Euros of Albtelecom (the State-owned telecoms provider).
    • Advised a large steel exporter to a State in South America on a dispute relating to application of the State’s anti-dumping law.
  • UN Special Tribunal for Lebanon (anti-terrorism): Prosecutor v. Ayyash et. al., 2012, STL-11-01/PT/TC (for UN Prosecutor).
  • Elgin Marbles – Parthenon Sculptures: Greece v. UK (for UK: case relating to Greek claims for the return of the Elgin Marbles: involved State succession/UNESCO treaties).
  • Economic sanctions: Sanctions cases in international courts and in the English Courts; and a broad advisory practice advising clients on a range of sanctions matters under UN, EU, and UK sanctions regimes imposed against States including Belarus, Russia, Colombia, Iran, Iraq, Libya, and Sudan. For example, represented the UAE in a case before the International Court of Justice arguing over sanctions imposed by the UAE on Qatar in response to Qatar’s alleged $1 Billion contribution to the financing of terrorism; represented US clients against Iran in the English High Court arguing that US sanctions should preclude the English Court from ordering costs to be paid to the Government of Iran; represented a company in an LCIA arbitration concerning the scope and application of the EU asset freeze regime imposed in relation to Belarus (including issues relating to shareholders agreements and the continued operations of companies); advised a UN agency on various UN, EU, and UK financial sanctions regimes; and advised a 250 year-old UK plc on UN, EU, and UK economic sanctions against Iran.
  • Law of International Organizations: advised and represented 15 international organizations (IOs) on a broad range of legal issues including for example: constituent treaties; privileges and immunities; headquarters agreements; economic sanctions; laws of France, India, South Africa, UK and US relating to IOs; dissolution of IOs; contractual disputes and arbitrations (UNCITRAL and ad hoc); advocacy for four IO secretariats before plenary organs comprised of Member States; advocacy for five IOs in international employment disputes (involving ILOAT and ad hoc dispute systems), including drafting of appeal systems; and representing IOs in domestic courts (see section below).
  • Boundaries, State succession, Law of the Sea, and Environmental Law: advised and represented States and corporations in matters involving land and maritime boundaries and baselines; oil and gas concessions; State succession issues and related boundary questions in several international cases & arbitrations involving the former Soviet Union, the SFRY, the FRY, and the State Union of Serbia and Montenegro; UN Convention on Law of the Sea; costal States rights; IMO treaties; and environmental law. Examples include:
    • Advised Chad on territorial boundaries in Chad v. Libya ICJ case with Professor Higgins QC.
    • Advised the UK on its UK maritime boundaries and baselines.
    • Advised a SE Asian State on boundary issues relating to delimitation of its territorial sea and continental shelf.
    • Advised the State Attorney-General of Sarawak on the scope of Sarawak’s territorial sea and continental shelf; and associated petroleum exploration rights of the State.
    • Advised a southern African State on its land and maritime boundary claims and associated treaty issues.
    • Advised a north African State on its land boundary claims.
    • Advised an East African State on boundary issues, EEZ issues, tax issues and oil and gas concessions.
    • Represented a private client in an ad hoc shipping arbitration: involved, inter alia, the Exclusive Economic Zone regime established by UNCLOS, and the content of the State’s rights within this Zone.
    • Re-drafted Terms of Business for the Port of Salalah: involved consideration of relevant commercial and environmental law and 14 maritime treaties (UNCLOS and IMO Conventions).
    • Advised a multinational corporation on the UNEP Basel Convention on the Control of Transboundary Movements of Hazardous Waste.
    • Advised Slovakia in Slovakia v. Hungary ICJ case with Professor Higgins QC: international environmental law and the law of treaties.

PUBLIC INTERNATIONAL LAW IN DOMESTIC COURTS:

  • UK Supreme Court: (1) R (Miller) UK [2017] UKSC 5 (for Ms. Miller on whether Parliament or Government could lawfully terminate the UK’s membership in the EU); (2) Taurus v. SOMO [2017] UKSC 64 (for SOMO, Iraq’s Oil Ministry); and (3) UK v. Rahmatullah [2013] 1 All ER 574 (for UK Government).
  • English Court of Appeal: (4) Benkharbouche v. UK SoS (FCO) and Janah v. Libya [2015] 3 WLR 301 (for Libya: the Court of Appeal (affirmed by UK Supreme Court) changed UK law to permit Embassies to be sued by their employees; landmark State immunity case); (5) R (BAT) SoS (Health) [2016] EWCA Civ 1182 (for BAT in this multi-billion pound case against UK “plain packaging” cigarette packaging regulations where the challenge involved, inter alia, WTO law); (6) Taurus v. SOMO, Iraq Oil Ministry [2016] 1 Lloyd’s Rep 42 (for SOMO in landmark State/Central Bank immunities case); and (7) The “Maduro Board” of the Central Bank of Venezuela v. The “Guaido Board” of the Central Bank of Venezuela (ex parte The Governor and Company of the Bank of England”) [2020] EWCA Civ 1249 (brought in for the CA hearing: the case determines from whom should the Bank of England (BOE) take instructions in relation to the c. $2 Billion of gold held by the BOE for the Central Bank of Venezuela; landmark case on recognition of foreign Heads of States and Governments under international and UK law).
  • English High Court / UK Employment Tribunal: (8) three judgments in Heiser & Others Iran [2019] EWHC 2074, [2019] EWHC 2073, and [2012] EWHC 2938 (for deceased/injured US military personnel and families seeking to enforce US Judgments worth c.$US775 million against Iran’s commercial assets; key State immunity case); (9) Webster v. USA [2019] 10 WLUK 500 (State immunity case for USA relating to a US military base in the UK: employment claims dismissed); (10) Wright v. USA [2019] 10 WLUK 500 (State immunity case for USA relating to a US military base in the UK: employment claims dismissed); (11) Harrington v. USA 180 ILR 454 (2015) (State immunity case for USA relating to a US military base in the UK: employment claims dismissed); (12) Swan v. USA (2019) 3330976/2018 UK ET (State immunity case for USA relating to a US military base in the UK: employment claims dismissed); (13) Houghton v. USA (State immunity case for USA: ongoing); (14) Chambers v. USA (ET) (2020) (State immunity case for USA: ongoing); (15) case for EBRD in UK ET employment dispute (international organization immunity case settled on confidential basis); (16) Hard v. Kuwait Investment Office (State/diplomatic immunity case for KIO: ongoing); (17) Locke v. Kuwait Investment Office (State/diplomatic immunity case for KIO: ongoing); (18) Taylor v. Kuwait Investment Office (State/diplomatic immunity case for KIO: ongoing); (19) Vithlania v. Kuwait Investment Office (State/diplomatic immunity case for KIO: ongoing); (20) Theognosia v. Turkey (SoS (FCO) intervening) (intervened on behalf of UK to obtain the discharge of freezing orders against 47 bank accounts of a foreign Embassy; State immunity case); (21) A v. B (a State) [2018] 5 WLUK 366 (enforcement of UNCITRAL award against a State); (22) Progas v. Pakistan [2018] EWHC 209 (for Progas: challenge to UNCITRAL award; third party funding); (23) Ben Rafael v. Iran [2015] EWHC 3203 (for family of diplomat killed in bombing of a US Embassy: seeking to enforce US Judgment c.$US75 million against Iran’s commercial assets; State immunity case); (24) Taurus v. SOMO [2014] 1 All ER 942; (25) Gard v. IOPC Fund 1971 [2014] 2 CLC 699 (international organization immunity case for IOPC headquartered in London resisting imposition of £60 million freezing order); (26) Gard v. IOPC Fund 1971 [2014] EWHC 3369 (international organization immunity case obtaining discharge of claims/£60 million freezing order); (27) Congo (DRC) v. Blemain Finance (for Blemain: State/diplomatic immunity issues regarding DRC Embassy/Ambassador’s residence); (28) Wokuri v. Kassam [2012] 2 All ER 1195, [2013] Ch. 80 (diplomatic immunity case for Ambassador Kassam, Uganda: obtained eventual dismissal of employment claim); (29) Croatia v. Serbia [2010] Ch 200 (for Serbia: State properties/SFRY succession); (30) Serbia v. Imagesat International [2010] 2 All ER 571 (for Serbia: challenge to ICC Award).
  • Hong Kong: (31) FG Hemisphere Congo et al [2011] HKCFA 41 (landmark State immunity and constitutional case involving relationship between China and Hong Kong post hand-over, and enforcement of ICC Award).

In parallel with his litigation and advisory services, Dan is Professor of Public International Law at the University of Oxford and a Senior Research Fellow of The Queen’s College, Oxford. He has taught graduate courses in International Dispute Settlement, WTO Law, Public International Law, and the Law of International Organizations/United Nations Law at Oxford University, University College London, and LSE.

Dan has published four books: International Organizations and Their Exercise of Sovereign Powers (Oxford University Press (OUP)) (2005), The United Nations and the Development of Collective Security (OUP) (1999), Responsibility and Remedies for the Actions of International Organizations (Hague Academy of International Law/Brill, 2014), and Issues of State Responsibility before International Judicial Institutions (2004). These books were awarded the American Society of International Law Prize twice (2001 and 2006), 1999 Swiss Guggenheim Prize, and 2006 US Myres McDougal Prize.

He is General Editor and author together with former Judge Sir Christopher Greenwood of Oppenheim’s International Law (forthcoming: 10th ed., OUP); and has authored over 50 articles/chapters, including the 125 pp. co-authored chapter with Judge Dame Rosalyn Higgins (former President, International Court of Justice) entitled “Institutional Modes of Conflict Management”.

He delivered the Hague Academy of International Law (HAIL) lecture series on “Immunities of States and International Organizations in National Courts” in 2018, and these are forthcoming in Recueil des cours de l’Académie de Droit International de la Haye. He served previously as Director of HAIL’s Centre of Research (English & French) in 2011, and as Director of Studies, HAIL, 2005.

Personal and Education

Dan grew up in Australia and obtained a law degree (LLB) and economics degree (BCom) from the University of NSW. He came to the United Kingdom from Australia at the age of 23 to study, and subsequently obtained an LLM (Kings College London) (1992), PhD (LSE: under the supervision of Judge Dame (previously Professor) Rosalyn Higgins QC) (1997), and an MA (Oxford) (Hon). He joined the Law Faculty in the University of Oxford in 2003 and was in 2006 promoted to full Professor of Public International Law in the University of Oxford.

What Others Say

Dan Sarooshi QC is highly recommended by both of the independent legal directories: Chambers & Partners (“C&P”), and Legal 500 (“L500”). Client quotes, and commentary, in these directories are as follows:

Public International Law:

  • He has an excellent record of representing governments, international organisations and FTSE 100 companies”, “A stellar barrister and a well-rounded public international lawyer”, and “A dream to work with.” (C&P 2021)
  • “Considers the legal and strategic issues in great depth and builds the authorities and arguments to present them most compellingly. Excellent with clients.” (L500 2021)
  • A skilled advocate” with “a keen sense of strategy and excellent litigation instincts” (C&P 2020)
  • A go-to silk on all matters of public international law and investment law.” (L500 2020)
  • A strong advocate whose articulation of public international law is second to none.” (C&P 2019)
  • An extremely bright advocate.” (C&P 2017)
  • has a wealth of experience of appearing before international and domestic courts, including the ICJ and the English High Court. ‘He offers a rare combination of intellectual rigour and practical focus.’” (C&P 2016)
  • Clearly one of the leaders at the Bar for public international law.” (L500 2016)
  • ‘A precious commodity’, ‘At the top of his game’, ‘combines immense intelligence with practical experience before international courts and tribunals’” (L500 2014)
  • ‘A resourceful advocate, he offered answers and avenues of recourse in situations where other UK counsel could offer none.’” (C&P 2014)

International Arbitration Counsel:

  • He has a well-earned reputation to be counted among the finest in London.” (L500 2020)
  • Another highlight was Progas Energy Limited & Othrs v Republic of Pakistan, in which Dan Sarooshi QC faced David Foxton QC [now Mr Justice Foxton].” (L500 2020)
  • As good as they come.” (L500 2019)
  • “‘He has a great command of public international law fused with practical advice.’” (L500 2016)

Administrative & Public (Constitutional) Law:

  • Impressively knowledgeable in public and constitutional law claims. He is particularly renowned for his work at the intersection with international law, including regular instructions for various governments and international organisations in a wide range of cases. Shows very good judgment in his advice to clients and is exceptionally easy to work with.” (C&P 2021)
  • He has “good judgment and deep understanding of the relevant law.” (L500 2021)
  • “‘He has encyclopaedic legal knowledge, very good judgment, and is extremely hard-working.’ ‘Incredibly well thought of and very clever.(C&P 2020)
  • instructed in high-profile constitutional, commercial and regulatory challenges. Advised the lead claimant Gina Miller in the landmark constitutional case relating to Parliament’s role in the process of triggering the UK’s withdrawal from the EU.” (L500 2019)
  • Super bright and very hard-working. A superb lawyer.” (C&P 2019)
Call to Bars
  • 2020: Call to the Bar of the British Virgin Islands
  • 2017: Call to the Bar of The Bahamas (ad hoc basis)
  • 2011: Call to the Bar of Hong Kong (ad hoc basis)
  • 2009: Call to the Bar of The Bahamas (ad hoc basis)
  • 2005: Call to the Bar of England & Wales. Appointed Queen’s Counsel: Feb 2018