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Debevoise & Plimpton LLP

Public International Law

UK Guide 2026 : UK-wide

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Debevoise & Plimpton LLP

Rankings

Chambers Review

Provided by Chambers

Public International Law - UK-wide

Band 1

What the Team is Known For

Debevoise & Plimpton has a strong international team covering a range of PIL issues including investment treaty claims, maritime law, sanctions and international human rights matters. The team is experienced acting for NGOs, governments, companies, prominent individuals and charities. Often conducts advocacy before domestic and foreign courts as well as international arbitral tribunal, and also prepares submissions to the UN and the ECtHR. The firm regularly acts in Energy Charter Treaty and ad hoc arbitrations, as well as those brought under ICSID and UNCITRAL rules.

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Work Highlights

Provided by Chambers

  • Debevoise & Plimpton continued to advise the Republic of Azerbaijan in its claims against the Republic of Armenia for breaches of the Energy Charter Treaty in connection with Armenia’s misuse of Azerbaijan’s energy resources.

Strengths

Provided by Chambers

  • We greatly appreciate their in depth research of topics and creative approach to addressing complex questions.

    Public International Law respondentUK

  • Debevoise & Plimpton sets itself apart as a law firm through its deep commitment to social justice, high-quality legal expertise and strategic approach to impactful legal work.

    Public International Law respondentUK

  • The Debevoise team has continuously demonstrated exceptional legal expertise as well as professionalism, innovative thinking and a commitment to client service.

    Public International Law respondentUK

  • They are rigorous, practical and incredibly hard working.

    Public International Law respondentUK

Notable Practitioners

Provided by Chambers

  • Conway Blake
    Conway Blake

    Conway Blake

    Conway Blake is lauded by market commentators for his flourishing practice in the field of PIL. He advises both sovereign states and private clients in market-leading proceedings. His areas of expertise include international environmental law and human rights law.

    • He is very clear, structured and pragmatic.

      Public International Law respondentUK

    • I was struck by his exceptional legal knowledge, attention to detail, and ability to think outside the box.

      Public International Law respondentUK
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  • Jeffrey Sullivan
    Jeffrey Sullivan

    Jeffrey Sullivan

    Jeffrey Sullivan KC has a strong profile in the international arbitration field, regularly acting for investors in ICSID proceedings and disputes under the ECT. His practice also focuses on the intersection between EU law and investment treaty rights.
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  • Samantha Rowe
    Samantha Rowe

    Samantha Rowe

    Samantha Rowe is an accomplished PIL lawyer. She is well versed in advising clients before a range of courts on issues such as human rights and sovereign affairs.

    • She is a massive team player.

      Public International Law respondentUK

    • Samantha has combined legal rigour with an understanding of the local context and issues.

      Public International Law respondentUK
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Ranked Individuals at Debevoise & Plimpton LLP (3)

UK-wide

Debevoise & Plimpton LLP has rankings in the following guides

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