Department profile
Debevoise & Plimpton LLP

International Arbitration: Commercial Arbitration

Global Guide 2026 : UK


Debevoise & Plimpton LLP

Rankings

Chambers Review

Provided by Chambers

International Arbitration: Commercial Arbitration - UK

Band 2

Band 2


What the Team is Known For
Debevoise & Plimpton is a well-known name in the market handling high-value commercial arbitrations for energy sector clients, investment funds and other corporate entities, with notable ASEAN expertise. In addition, the firm maintains a strong investment treaty and investor-state arbitration practice, acting on behalf of a number of sovereign states. It advises clients in proceedings under ICC, ICSID, LCIA and UNCITRAL rules, among others. The practitioners also have considerable experience handling claims brought under the Energy Charter Treaty. The London team works closely with the firm's pre-eminent New York office.

Work Highlights

Provided by Chambers

  • Debevoise represented Suomi Power Networks, Supernova and AMF, shareholders in Caruna, Finland's largest electricity distribution company, in an ICSID arbitration against The Republic of Finland under the Energy Charter Treaty.

Strengths

Provided by Chambers

  • They are very dedicated to the details of all causes, as well as being extremely organised and attentive.

    International Arbitration: Commercial Arbitration respondentGlobal
  • They are very responsive, collaborative and creative.

    International Arbitration: Commercial Arbitration respondentGlobal
  • Debevoise demonstrate outstanding experience in international commercial disputes, client focus and risk appetite in pursuing complex claims in onerous jurisdictions.

    International Arbitration: Commercial Arbitration respondentGlobal
  • They are incredibly responsive and good listeners.

    International Arbitration: Commercial Arbitration respondentGlobal

Notable Practitioners

Provided by Chambers

  • Band 1Jeffrey Sullivan
    Band 1Jeffrey Sullivan

    Jeffrey Sullivan

    Jeffrey Sullivan KC is co-chair of Debevoise's arbitration group in Europe. He is particularly known for his expert handling of claims brought under the ECT, which forms part of his extensive investor-state arbitration practice. He demonstrates strength across the energy and infrastructure sectors.
    • Jeff is always available, delivers straightforward practical advice and is great at handling clients.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Jeffrey provides excellent support.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Jefferey is extremely clear and sees any issues straight away.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Jeffrey is an excellent operator with extensive experience, sensible judgement and measured advice.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Jeffrey has an excellent technical skill set.

      International Arbitration: Commercial Arbitration respondentGlobal
  • Band 3Patrick Taylor
    Band 3Patrick Taylor

    Patrick Taylor

    Patrick Taylor has a broad arbitration practice with expertise spanning the oil and gas, energy and telecoms sectors. He often acts under LCIA, ICC and ICSID rules and handles disputes seated across the globe.
    • Patrick is extremely engaged and committed to the case, with a broad view of the dossier.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Patrick is very clever and savvy.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Patrick is very practical yet provides a wide variety of approaches and options.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Patrick provides strong advice and works cohesively with the Debevoise team to provide clear and consistent advice.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Patrick Taylor is technically excellent, and his cerebral, smooth advocacy style delivers results for his clients.

      International Arbitration: Commercial Arbitration respondentGlobal
  • Band 4Samantha Rowe
    Band 4Samantha Rowe

    Samantha Rowe

    Samantha Rowe boasts an impressive client list, which includes sovereign states and renowned international organisations such as those in the oil and gas sector. She regularly handles disputes under ICC, ICSID and UNCITRAL rules.
    • Samantha is always strategic and provides high-quality advice.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Samantha is extremely engaged and committed to the case.

      International Arbitration: Commercial Arbitration respondentGlobal
    • Samantha knows her area of law inside out, and we like to work with her. She is technically brilliant.

      International Arbitration: Commercial Arbitration respondentGlobal
  • Band 6Conway Blake
    Band 6Conway Blake

    Conway Blake

    Conway Blake regularly advises and acts for clients in both investor-state and commercial disputes, as well as in challenges to arbitral awards.

    • Conway is an accomplished, brilliant young partner.

      International Arbitration: Commercial Arbitration respondentGlobal
    • He is very strategic and achieves a good result for the clients.

      International Arbitration: Commercial Arbitration respondentGlobal

Ranked Individuals at Debevoise & Plimpton LLP (4)

UK

Debevoise & Plimpton LLP has rankings in the following guides

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