Philip J. Devenish

Partner

Dubai + 971.4.709.8417

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Philip Devenish dedicates his practice to resolving the most challenging, complex, and high-value international disputes. Over the past eight years, he has won or settled 100 percent of his cases.

Philip has secured billions of dollars for global corporations and financial institutions in some of the largest and most important cross-border disputes of the past decade, as ranked by The American Lawyer and Global Arbitration Review. His landmark victories include a US$1.1 billion damages award against Russia over the expropriation of banking investments in Crimea. On the defense side, he successfully settled a US$2 billion dispute for Saudi Arabia on a drop-hands basis during the Qatar diplomatic crisis.

Philip has conducted arbitrations under every major institution (including the ICC, LCIA, HKIAC, SIAC, SCC, DIAC, AAA, and ICSID) spanning all the leading global arbitration hubs (London, Paris, Singapore, Hong Kong, Geneva, Zurich, The Hague, Stockholm, Dubai, New York, and Washington D.C.). He also handles multijurisdictional litigation, with a particular focus on major fraud, asset tracing, and enforcement.

Philip is listed in The Legal 500 UK's Arbitration Powerlist of leading lawyers who are "deemed the gold standard by businesses." He is ranked as the top arbitration lawyer in the UAE by The Arbitrators. Legal directories describe him as an "exceptionally talented professional" (Chambers UK) who is "widely praised by peers and clients" (Expert Guides) and has "practiced at the very top for many years" (The Legal 500 UK).

Experience

  • German businessman arbitrates ICSID claim against LebanonJones Day is representing German businessman Mr. Abed El Jaouni in ICSID proceedings against Lebanon.
  • Canadian mining company initiates UNCITRAL arbitration against KazakhstanJones Day represents a Canadian mining company in an UNCITRAL arbitration against the Republic of Kazakhstan.
  • Major European electrical grid operator defends against changes of regulated tariffsJones Day is advising a major electrical grid operator and its shareholders, the majority of which are leading investors in energy infrastructure, on bringing claims under the Energy Charter Treaty in arbitration for unforeseeable changes of the system of computing regulated network tariffs which were incompatible with the relevant EU framework and adversely impacted budgets based on legitimate expectations.
  • PTTGC acquires allnex from AdventJones Day advised PTT Global Chemical Public Company Limited in the €4 billion acquisition of allnex Holding GmbH from Advent International.
  • Major pharmaceutical company arbitrates claims arising out of Chinese investmentsJones Day is representing a major pharmaceutical company in a Hong Kong International Arbitration Centre arbitration arising out of representations and warranties given in respect of the client's investment in a Chinese drug development company whose senior officers and consultants were subsequently prosecuted in the United States for misappropriation of another pharmaceutical company's trade secrets.
  • Clients seek advice in connection with criminal investigation and potential criminal and civil claims relating to alleged fraud of over US$1 billionJones Day is advising clients in connection with a criminal investigation and potential criminal and civil claims relating to an alleged fraud of over US$1 billion.
  • Saudi businessman brings investment arbitration proceedings against Middle Eastern stateJones Day represents a Saudi Arabian businessman in investment arbitration proceedings against a Middle Eastern state.
  • Windoor arbitrates ICSID claim against KazakhstanJones Day is representing Estonian construction company AS Windoor in ICSID arbitration proceedings against the Republic of Kazakhstan.
  • U.S. healthcare company arbitrates ICC claim against Middle Eastern hospital proprietorJones Day is representing a Pittsburgh-based international healthcare management and consulting company in an ICC commercial arbitration against an owner of medical centers and clinics in the Middle East.
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    February 2025 Commentary

    President Trump's Executive Order on Unleashing American Energy: Potential Foreign Investors' Claims Against the United States

    May 2024 Commentary

    International Bar Association Releases Updated Guidelines on Conflicts of Interest

    May 2024 Alert

    Indian Supreme Court Sets Aside Arbitral Award for "Grave Miscarriage of Justice"

    May 2024 Alert

    DIFC Courts Affirm Enforceability of Foreign Interim Arbitral Awards

    September 2022 Commentary

    Sanctions Risk and Preserving Distressed Assets in the United Kingdom

    May 2022 Newsletters

    Energy Transition and Climate Change Treaties

    May 2022 Newsletters

    The Climate Report | Second Quarter 2022

    March 2022 Commentary

    Companies With Investments and Businesses in Ukraine and Russia: The Importance of Investment Treaties

    February 2022 Newsletters

    The Climate Report | First Quarter 2022

    February 2022 Newsletters

    Climate Change and Investor-State Dispute Settlement
    View All

    Additional Publications

    • 2021
      "Enforcement of investment treaty awards against assets of states, state entities and state-owned companies", in Enforcement of Investment Treaty Arbitration Awards (2nd edn., Globe Law and Business, 2021)

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