Public International Law
UK Guide 2025 : UK-wide
Band 1
Email address
[email protected]Contact number
(020) 7786 9000Chambers Review
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.
Work Highlights
- Debevoise & Plimpton is representing The Bahamas in advisory proceedings at the ICJ addressing the obligations of states in respect of climate change.
Strengths
Provided by Chambers
"Debevoise & Plimpton are very thorough and detailed in their research, leading to a great ability to handle complex and sophisticated matters. They always respond promptly and provide great service."
"Debevoise's combination of expertise, strategic planning, a collaborative approach and a wide network of partners enables them to handle international aspects of cases in an exceptional manner."
"Debevoise is a go-to firm in the UK when sophisticated, intricated or geographically complex projects arise."
"Debevoise & Plimpton are very thorough and detailed in their research, leading to a great ability to handle complex and sophisticated matters. They always respond promptly and provide great service."
"Debevoise's combination of expertise, strategic planning, a collaborative approach and a wide network of partners enables them to handle international aspects of cases in an exceptional manner."
"Debevoise is a go-to firm in the UK when sophisticated, intricated or geographically complex projects arise."
Notable Practitioners
Peter Goldsmith KC is an esteemed practitioner with exceptional credentials in investor-state arbitration and PIL. He is sought out by multinational corporations, sovereign states and non-profit organisations to advise on complex matters of international law related to human rights, sanctions and state responsibilities in jurisdictions around the world.
"Peter is legendary. He has the ear of the judge and brings a strategic focus to a case."
"Lord Goldsmith's ability to analyse complex legal situations and find strong and effective legal solutions is remarkable.He has a vast wealth of knowledge and experience."
Aimee-Jane Lee draws significant praise for her PIL practice. She has experience acting on behalf of sovereign states with regard to a range of issues, including the International Law of the Sea, as well as representing clients in investor-state arbitrations.
"Aimee-Jane is apublic international law specialist."
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.
"Conway is very thorough, professional and personable, and he provided excellent service and was readily available to our team."
"Conway is an excellent advocate. He is very diligent, thoughtful and pleasant to work with."
"Not only is Conway Blake a fantastic legal strategist, but he is also a great communicator and never too busy to answer a question or provide guidance."
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.
"Jeff is immensely experienced."
Ranked Lawyers at
Debevoise & Plimpton LLP
UK-wide