David Herlihy
Partner
London
Ireland

David Herlihy
Partner
London
Ireland
Contact Details
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).
Expertise
Practices
Litigation, Arbitration and Investigations
Public International Law and Investment Disputes
Sectors
Office
London
One Bishops Square
London
E1 6AD
Ireland
53 Merrion Square South, Suite 201
Dublin
D02 PR63

Expertise
Practices
Litigation, Arbitration and Investigations
Public International Law and Investment Disputes
Sectors
Office
London
One Bishops Square
London
E1 6AD
Ireland
53 Merrion Square South, Suite 201
Dublin
D02 PR63