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BA, LLB (Hons) (NLSIU), BCL (Oxon), MPhil (Oxon)
BA, LLB (Hons) (NLSIU), BCL (Oxon), MPhil (Oxon)
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Thomas acts in complex regulatory and commercial disputes. His practice is diverse and spans public international law; commercial dispute resolution; and Chambers’ core practice areas of competition law and EU relations law.
Recent case highlights include acting for Google in its dispute with Epic Games and acting for the United Kingdom in defending a 2.7 billion euro infraction action brought before the CJEU.
Thomas has extensive experience in the English courts and before international tribunals. He takes a collaborative approach to his cases and is particularly well-versed in handling disputes which involve economic or regulatory issues.
Thomas has acted in over 20 treaty cases and has an in-depth understanding of the commercial, regulatory and political factors that give rise to international trade and investment disputes. He has appeared before a wide range of international tribunals including arbitral tribunals established under bilateral investment treaties, WTO panels, the WTO’s Appellate Body and the CJEU. He also has experience of acting in inter-state mediation proceedings.
Thomas is on the “A Panel” of the UK Attorney General’s list of Public International Law counsel and is ranked in Chambers and Partners and the Legal 500. Earlier in his career, Thomas practiced at the Advisory Centre on WTO Law in Geneva where he represented a wide range of developing countries in inter-state disputes before the WTO.
Major WTO cases
Major investment treaty cases
Thomas has broad experience across competition and regulatory litigation. He was part of the team defending various airlines in the long-running Air Cargo cartel damages case (work which was recognised with an award for Cartel Defence Litigation of the Year at the Global Competition Review Awards) and is a contributor to the current edition of Competition Litigation: UK Practice and Procedure (2nd Edn, 2019)
He has a particular interest in conflicts of laws issues as they arise in competition damages claims.
Thomas acts in commercial disputes both in the English courts and in arbitration and he has a strong understanding of the varying demands of those different fora. He has particular expertise in: (1) disputes governed by Indian law; (2) contractual disputes involving states or state-owned entities; and (3) gas price review arbitrations. Thomas also has experience of acting in arbitration-related applications in the Commercial Court.
Thomas is well-placed to advise on the full-spectrum of regulatory, trade and customs-related matters arising from Brexit. He draws on his knowledge of EU law, WTO law, and UK and EU policy processes to design solutions for his clients and frequently acts for UK government departments on complex trade and regulatory matters.
Thomas also has considerable experience of assisting private respondents in the course of trade remedies and customs investigations and is used to working closely with economic and accounting experts in that context.
Public International Law: “On trade law he’s as good as it gets.” “An outstanding advocate and WTO expert renowned for his trade law knowledge.” “When it comes to WTO law he’s in a league of his own.” – Chambers UK and Chambers Global, 2023
Competition Law: “A very experienced and assured senior junior, and a very strong drafter.” – Chambers UK and Chambers Global, 2023
Public International Law: “Tom is an excellent advocate, and has great strategic judgement. This is someone you want in your team for the most complex and challenging international law disputes, particularly if it involves a trade element.” – Legal 500, 2023
International Arbitration: Counsel: “Tom has a razor sharp mind and is an excellent advocate – highly recommended.” – Legal 500, 2023
‘Insightful and a clear thinker, Tom is user friendly and works well in a team.’ – Legal 500 Asia Pacific 2023 – the English Bar
Competition: “Tom has a razor sharp mind and is an excellent advocate.” – Legal 500, 2023
“Stands out as “very experienced in WTO matters”, receiving widespread praise for his top-tier practice.” – International Trade & Commodities, Who’s Who Legal UK Bar 2022
Recommended in Arbitration, Who’s Who Legal UK Bar 2022
‘Insightful and a clear thinker, Tom is user friendly and works well in a team.’ – Legal 500 Asia Pacific 2022 – the English Bar
Public International Law: “He is user-friendly and approachable. He combines his substantive Indian law experience with his general expertise in international law and arbitration.” – Chambers UK and Chambers Global, 2022
Competition Law: “He is good at refining the points and getting down to something that is compelling. He is good at drafting and shaping up the arguments.” – Chambers UK and Chambers Global, 2022
Public International Law: “Tom is absolutely brilliant. He’s the total package – calm, client-friendly, super smart and an excellent advocate.” – Legal 500, 2022
International Arbitration: Counsel: “Absolutely brilliant. He’s the total package – calm, client-friendly, super smart and an excellent advocate. He is also without doubt the leading expert at the Bar on WTO and trade law.” – Legal 500, 2022
Competition: “Tom is technically excellent, but his key strength is his approachability. There are no barristers currently working at the Bar in London that offer better client service.” – Legal 500, 2022
Recommended in Trade & Customs, Who’s Who Legal 2021
Public International Law: “Very clever, thorough and a go-to for WTO matters.” – Chambers Global, 2021 – The English Bar – Global-wide
“He is very responsive, and provides comprehensive advice that takes into account all aspects of the dispute.” – Legal 500 Asia Pacific 2021 – the English Bar
Competition: “Definitely a future star.” – Chambers UK and Chambers Global, 2021
Public International Law: “Very clever, thorough and a go-to for WTO matters.” – Chambers UK, 2021
Public International Law: ‘‘One of the most experienced, if not the most experienced, counsel on trade law issues in the UK, he is also excellent on investment treaty issues.’’ – Legal 500, 2021
International Arbitration: Counsel: ‘‘Very responsive and always make himself available to discuss matters and turns work around promptly – his advice is comprehensive and accounts not only for the strict legal merits of the position, but also considers the broader strategic perspective of the case.’’ – Legal 500, 2021
Competition: ‘‘Significant expertise in competition disputes and gives high quality advice which is measured and considered; calm and composed and easy to deal with.’’ – Legal 500, 2021
“Highlighted by peers as “a leading practitioner in public international law and WTO law”. – Arbitration, Who’s Who Legal UK Bar 2020
Commercial: “An approachable and hardworking junior of note.” – Legal 500 Asia Pacific – the English Bar
Public International Law: “Very well respected in international trade.” – Chambers Global, 2020 – The English Bar – Global-wide
Competition: “Thoughtful and hard-working,” he’s “a calming influence, who works to build a consensus among parties.” “He’s extremely good value for someone of his level of call.” – Chambers UK and Chambers Global, 2020
Public International Law: “Very well respected in international trade.” – Chambers UK, 2020
Public International Law: ‘‘Highly rated for state v state disputes.’’ – Legal 500, 2020
“Receives much applause for his “excellent drafting and industry knowledge” with respondents describing him as “a leading practitioner in public international law and WTO matters” – Arbitration, Who’s Who Legal UK Bar 2019
Competition: “He is a good team player who is very pleasant to work with.” – Chambers UK, 2019
Public International Law: “Outstanding advocate and WTO expert, renowned for his trade law knowledge.” – Chambers UK, 2019
Public International Law: ‘‘An approachable and hardworking junior.’’ – Legal 500, 2018
Public International Law: ‘‘Good at getting to the nub of the situation, and his drafting is concise and elegant.’’ – Legal 500, 2017
Public International Law: “He combines astute and sound advice with an invaluable “bigger-picture” strategy.’’ – Legal 500, 2016
”One of the few juniors with a proper understanding of public international law matters.” Leading Junior in Public international Law. Legal 500, 2015
“A measured and convincing advocate with well-tuned analytical skills.’’ Thomas is ranked as a leading Junior in Public International Law – Legal 500, 2014
Thomas was a Rhodes Scholar and studied law at Oxford University as well as the National Law School of India University.
Prior to transferring to the Bar in 2012, Thomas practiced at the Advisory Centre on WTO Law (an international organisation which represents States in WTO disputes) in Geneva for over seven years. He has also worked within the international arbitration group of a magic circle law firm in London.
He has strong academic interests and was appointed as a Visiting Professor at the London School of Economics in 2017.
Thomas’ publications include:
Shorter pieces can be found at the following links: