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Stuart Dutson

Partner

Stuart is a leading international arbitration expert, guiding clients through complex disputes in TMT, energy, and infrastructure sectors.

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Awards and Recognition

"Stuart delivers the winning combination of sophisticated legal knowledge and great client service. He is extremely responsive and adaptable. Stuart builds a mutually beneficial relationship, provides advice that actually applies to me and my business and really really knows what he is doing."

Chambers and Partners UK 2026

Hall of Fame - Band 3
The Legal 500 2026 International Arbitration 
Chambers and Partners 2026 – International Arbitration and Public International Law

"Stuart Dutson is superb. He has the extremely rare combination of intellectual prowess, commercial good sense and charming personality." 

The Legal 500 2025 International Arbitration

"Stuart Dutson has professorial specialist knowledge of arbitration and is definitely a star in the field (including treaty arbitration). His capacity for work is phenomenal and he has an unbeatable intellect."    

The Legal 500 2025 International Arbitration

"Stuart understands the client's priority and does the utmost to achieve it. He is skilled at bringing multi-jurisdictional groups together to find an outcome, so he is particularly valued by states."   

Chambers and Partners 2025 Public International Law

Biography

Language - English
Jurisdictions - England & Wales, Australia

Stuart Dutson is a seasoned partner in the International Arbitration team, renowned for his strategic guidance in high-stakes commercial and investment treaty disputes. With over 25 years of experience, Stuart supports clients defending or prosecuting claims across diverse sectors including TMT, energy, infrastructure, aviation, and financial services.  Stuart also acts for and against  States and State-owned entities before the leading dispute resolution forums and arbitration institutions.

His global reach spans England, mainland Europe, Asia, the Middle East, Africa, and Australia, making him a trusted advisor for businesses navigating international arbitration challenges. Stuart's expertise lies in ensuring clients receive tailored solutions that align with their strategic goals. 

Stuart's clients benefit from his ability to transform intricate legal matters into actionable strategies, enabling them to focus on their core business objectives. 

His reputation for excellence and commitment to client success makes him a sought-after advisor in the international commercial arbitration and investment treaty disputes fields. Stuart is recommended in Legal 500 and Chambers (for 17 years) for international arbitration and public international law and is a member of the Legal 500 International Arbitration Hall of Fame. 

Prior to Stephenson Harwood, Stuart led the International Arbitration teams at both Simmons and Simmons and Eversheds. He has also held positions in the Ministry of Justice, Malawi as State Advocate and the London School of Economics as a Fellow. Stuart acts as Chair or Arbitrator under the ICC, LCIA, UNCITRAL arbitration rules.  Stuart was Malawi's State Advocate based in Lilongwe in 2000-2001 and he is an emeritus member of the ICC Court of Arbitration.

Stuart has a PhD in private international law and public international law from the University of Cambridge. His practice includes international commercial arbitration, investment treaty arbitration and public International law disputes. The sectors he works in include energy, natural resources and infrastructure, financial services, health sciences, and aviation.

Experience

  • Investor State dispute successfully defending Indonesia  

    Successfully defended Indonesia in an investment treaty claim brought by an Indian investor under the Indonesia-India BIT for over $500M in respect of mining licences on Borneo.

  • Investor State dispute successfully suing Central European state  

    Successfully represented a Dutch global telecoms company in claims under a multilateral investment treaty, the host state's investment laws and general principles of public International law

  • Investor State dispute defending the enforcement of ECT, ICSID, BIT awards  

    Represented Spain in defending against the enforcement of investment treaty awards against Spain's assets in the UK.

  • Investor State dispute successfully enforcing an award in the UK  

    Representing a European investor in successfully enforcing an ICSID award against Hungary in the English courts.

  • ICC arbitration concerning the cancellation of supply contracts    

    Representing Vattenfall a multinational renewables energy producer, against one the world’s leading providers of equipment for renewables projects in an ICC arbitration concerning the cancellation of supply contracts in relation to one of the largest offshore wind projects globally and the subsequent losses and damages suffered by the client. The relevant agreements are governed by English law and the arbitration is seated in London.

  • Scatec

    Representing Scatec, a Scandinavian renewable energy producer, in 4 LCIA arbitrations under English law governed supply contracts with a Chinese global supplier of renewables products. The contracts are governed by English law and relate to huge solar power farms based in Central America. Damages claimed are in excess of $20m.

  • Fraud and conspiracy allegations    

    Successfully represented a leading international bank based in the UK in relation to claims made against it of fraud and conspiracy regarding the sale of its shares in an ICC arbitration governed by English law and seated in London. Successfully defeated the arbitration at the initial stages relying upon limitation defences.

  • High Court proceedings relating to the sale of an aircraft

    Successfully represented Hi Fly Limited in defence of claims brought against it by SATA arising out of the sale of an aircraft, these were High Court proceedings in which he successfully argued for and obtained rectification of an English law tripartite contract such that the client defeated the claim made against it and was able to counterclaim successfully.

  • Pan-African telecommunications company

    Representing a pan-African telecommunications company against an African State in an UNCITRAL arbitration in London concerning the State’s attempts to enforce security over shares in the privatised fixed line telephone operator. The dispute related to the accounts of the target company

EXPERTISE

NEWS AND INSIGHTS

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Dispute Resolution

Stuart Dutson joins Stephenson Harwood as Partner

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