Debevoise & Plimpton LLP
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Debevoise & Plimpton LLP fields a ‘thoughtful, measured, and always prepared’ team that leverages the firm’s global capabilities to provide a comprehensive public international law offering. Acting for sovereign states, treaty bodies, and multinational corporations, the team regularly handles ECT treaty claims, ICSID arbitrations, and ICJ advisory proceedings. The ’invaluable’ Lord (Peter) Goldsmith KC and Jeffrey Sullivan KC jointly co-head the practice; Goldsmith has extensive experience before both domestic and international courts and tribunals, while Sullivan focuses his practice on ECT issues and general international arbitration. ‘Fantastic legal strategist’ Conway Blake has a broad practice that covers the Law of the Sea, sovereign and diplomatic immunity issues, and environmental, human rights, and investment treaty matters, while Samantha Rowe is the name to note for international disputes regarding treaty law, state succession, and maritime boundary issues. Monika Hlavkova rounds out the division and assists on investment and commercial arbitrations. Aimee-Jane Lee left the firm in 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Very diligent and professional team. Always reliable and transparent in achieving the best results for the client.’
‘Samantha Rowe in the London office is also a pleasure to work with.’
Key clients
- Republic of Azerbaijan
- Suomi Power Networks TopCo B.V.
Work highlights
Represented Azerbaijan in its claims against the Republic of Armenia for breaches of the Energy Charter Treaty.