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Andrew Cannon


Andrew is the co-head of our Public International Law practice, and deputy head of our Global Arbitration practice. He is head of our India Disputes group and co-head of our Nordic group. He is also Deputy Chair of the firm's Global Pro Bono and Responsible Business Council. 

Contact details when in Paris +33 1 53 57 65 52



Andrew has extensive experience of advising states, state-owned entities and major companies on all aspects of public international law. He has acted in ad hoc and institutional arbitrations across multiple jurisdictions, under the rules of all major arbitral institutions and under a range of governing laws. He has also acted in high profile litigation cases before a range of international and domestic judicial bodies, including the Court of Justice of the EU and General Court, the UK Supreme Court, House of Lords and Court of Appeal. 

Andrew previously worked as a legal adviser to the UK Foreign and Commonwealth Office, and represented the UK at the UN in New York and the EU in Brussels, as well as in other international institutions. He has extensive experience of negotiating and advising on bilateral and multilateral treaties and other international instruments.

He is appointed to the UK Attorney General’s Public International Law (PIL) "A" panel of counsel, is a Councillor on the European Users' Council of the London Court of International Arbitration (LCIA), and a member of the Executive Board of the European Federation for Investment Law and Arbitration (EFILA).

Andrew is qualified as a solicitor in England and Wales.  He has worked in our offices in London, Paris and Hong Kong, and speaks English and French fluently.

Andrew's experience includes acting for:

  • a consortium of leading multinational energy companies in UNCITRAL arbitration and expert determination proceedings against a Central Asian Republic.  The case concerned budget and schedule disputes worth US$9 billion in a high-profile politically significant dispute concerning one of the world's largest oil and gas projects
  • an Asian government in ICSID arbitration proceedings brought against it by investors in connection with their withdrawal from a major oil field and related contractual issues
  • a West European telecoms company in ICSID proceedings against a European state relating to the cancellation of the privatisation of a state-owned company
  • a multinational energy company in a US$150 million ICC arbitration concerning the impact of compulsory price renegotiation through governmental regulation in the Indonesian coal industry, giving rise to complex issues of force majeure, contractual and common law termination rights
  •  a global power company in relation to its US$17 billion investment in a European State, including complex questions concerning available protections under applicable international investment treaties, dispute resolution and immunity considerations including in the context of contractual limitations and specific governmental assurances
  •  a subsidiary of a major UK plc in English High Court proceedings relating to the application of EU sanctions to an oil and gas field in the North Sea
  • the Republic of Chile in the landmark case on the law of sovereign immunity before the UK House of Lords in Ex Parte Pinochet (No. 3) [1999] 2 WLR 827


Andrew has a First Class law degree from Gonville & Caius College, Cambridge University, and was awarded the Procter Fellowship to Princeton University, where he studied international relations and international law.


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