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David Ingle

Senior Associate

Washington, D.C.

Image of David Ingle
David Ingle

Senior Associate

Washington, D.C.

David Ingle specialises in commercial and investment treaty arbitration. David is qualified to practise in England & Wales and is admitted to the Texas bar.

He has acted as counsel for a range of clients in numerous international commercial and investment treaty arbitrations and has regularly appeared as advocate in disputes arising under the Energy Charter Treaty. David also lectures on English law and common law at the Universidad Carlos III de Madrid. Before relocating to Washington, D.C., David practised in A&O's London and Madrid offices.

Related articles

Publications: 25 November 2020

France considers retroactive solar tariffs cuts, at the risk of facing investment-treaty claims

On 13 November 2020, the French National Assembly (Assemblée nationale) approved an amendment to the draft Finance Law (Projet de loi de finances) for 2021, which seeks to implement a “targeted…

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Publications: 27 November 2019

New remuneration for renewable energy in Spain

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Publications: 25 July 2018

Government of Ontario terminates renewable energy contracts

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Washington, D.C.

Allen & Overy LLP
1101 New York Avenue, NW
Washington, D.C.

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Other noteworthy experience


  • More than 30 different international investors in 10 separate ICSID and UNCITRAL arbitration claims against the Kingdom of Spain under the Energy Charter Treaty relating to the regulation of the Spanish renewable energy sector and involving claims worth in excess of EUR3.5 billion;
  • Deutsche Bank in an ICSID claim against Sri Lanka in a bilateral investment treaty claim arising out of interference with an oil-hedging agreement with the state-owned petroleum corporation;
  • The Republic of Poland in an UNCITRAL arbitration involving bilateral investment treaty claims made by a pharmaceutical company;
  • A Middle Eastern Government in the creation of a common law framework to apply in a newly created independent free zone based on the English law;
  • A large US financial institution defending a mis-selling claim brought against it in an LCIA arbitration under English law;
  • A Russian corporate client defending a USD1 billion LCIA arbitration under English law;
  • An Italian corporate client defending a USD100 million LCIA arbitration under English law;
  • A UK corporate client in a contentious matter related to a supply contract under English law;
  • A Dutch corporate client bringing a EUR100 million arbitration in relation to a cross-border sale of goods contract under English law;
  • A UK professional body in misconduct proceedings against one of its members.

Published work

Co-Author: "European Law and Investment Treaties" in The Investment Treaty Arbitration Review, 2nd ed. (2017)

Co-Author: "Spain" in The International Arbitration Review, 8th ed. (2017)

Co-Author: "Interim Costs Orders: The Tribunal's Tool to Encourage Procedural Economy" in Reshaping the Investor-State Dispute Settlement System, Brill/Nijhoff (2015)