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International Arbitration

Allen & Overy’s International Arbitration group advises a diverse range of corporates, financial institutions and governments on complex cross-border commercial arbitrations and investment treaty arbitrations.

With arbitration experts, including leading advocates, spread across our global network of offices, we advise on the most pressing and complex disputes wherever they arise. 

A&O’s international arbitration expertise spans the full range of sectors in which arbitration is used, including: 

  • Energy and natural resources
  • Construction and infrastructure projects
  • Telecommunications
  • Life sciences
  • Banking and finance
  • Intellectual property rights
  • M&A and joint ventures

Representing clients in arbitrations under all the key rules, including the ICC, LCIA, HKIAC, SIAC and UNCITRAL Rules, our specialist practitioners around the world are qualified in many jurisdictions and fluent in numerous languages. Senior members of our team regularly sit as arbitrators and hold key positions with the leading arbitral institutions and/or legal associations. Our experience allows us to most effectively represent our clients' best commercial interests.

We typically conduct our own advocacy in clients’ arbitration cases, delivering cost savings and ensuring our advocates are involved from the very start of proceedings. Our approach to the conduct of matters is always informed by our advocacy experience.

Related content

International Arbitration Review

Recent developments and emerging trends in international arbitration law and policy

Arbitration Insights

Sign up to our Arbitration insights blog

This blog aims to keep you updated on key arbitration and public international law developments, from across our extensive network of offices.

Awards

  1. Band 1, Dispute Resolution, Global Multi-Jurisdictional, Chambers Global 2022
  2. International Arbitration Firm of the Year, Benchmark Litigation Asia-Pacific Awards 2020
  3. Leading firm (top tier) ranking in the “Leaders League” table for International Arbitration (Spain) 2022
  4. 24 lawyers ranked in Who's Who Legal: Arbitration 2024, including one Global Elite Thought Leader and nine Thought Leaders

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