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David Herlihy

Partner

London

Image of David Herlihy
David Herlihy

Partner

London

David has 20 years’ experience in international arbitration, with a focus on international commercial arbitration, investment treaty arbitration and public international law.

He also has experience acting in arbitration-related court proceedings and ICSID annulment actions. David has particular experience in disputes relating to the renewable energy, telecoms and technology sectors. He is also well-versed in handling disputes related to anti-trust and taxation issues.

David is qualified in England & Wales, New York and Ireland. He is fluent in Spanish and has a wealth of knowledge in handling cases in the Americas, in addition to his experience in Europe, India and beyond. He has an undefeated track record of success in investor-state arbitration, acting both for investors and for states over the last two decades. His recent victories include representing Vodafone in its high-profile investment treaty win against India (where the amount in dispute exceeded USD 5 billion); successfully defending the Republic of Cyprus in a EUR 1 billion investment treaty claim arising out of the Eurozone financial crisis; and winning the largest-ever investment treaty award in the renewables sector for Dutch subsidiaries of NextEra Energy.

David is ranked by the main legal directories, including Chambers, Legal 500 and Who’s Who Legal: Arbitration. He has been described as “very knowledgeable, smart and flexible”, and with “a strong commercial sense and a very positive attitude”, “an outstanding talent,” “nothing but exceptional” and “a strong practitioner with a great reputation”.

David was named as a 2019 International Arbitration MVP by Law360 (a ranking of its five most successful arbitration lawyers worldwide for that year).

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Publications: 11 October 2022

International Arbitration and Public International Law practices again perform strongly in Legal 500 UK

Allen & Overy has maintained its tier one ranking in Public International Law (PIL) and a leading ranking for International Arbitration in The Legal 500 (Legalease) UK 2023 rankings. All of the…

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