
International Arbitration: Commercial Arbitration
Global Guide 2026 : UK
Rankings

Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
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 respondentGlobalThey are very responsive, collaborative and creative.
International Arbitration: Commercial Arbitration respondentGlobalDebevoise demonstrate outstanding experience in international commercial disputes, client focus and risk appetite in pursuing complex claims in onerous jurisdictions.
International Arbitration: Commercial Arbitration respondentGlobalThey are incredibly responsive and good listeners.
International Arbitration: Commercial Arbitration respondentGlobal
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
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 respondentGlobalJeffrey provides excellent support.
International Arbitration: Commercial Arbitration respondentGlobalJefferey is extremely clear and sees any issues straight away.
International Arbitration: Commercial Arbitration respondentGlobalJeffrey is an excellent operator with extensive experience, sensible judgement and measured advice.
International Arbitration: Commercial Arbitration respondentGlobalJeffrey has an excellent technical skill set.
International Arbitration: Commercial Arbitration respondentGlobal
Band 3 
Band 3 
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 respondentGlobalPatrick is very clever and savvy.
International Arbitration: Commercial Arbitration respondentGlobalPatrick is very practical yet provides a wide variety of approaches and options.
International Arbitration: Commercial Arbitration respondentGlobalPatrick provides strong advice and works cohesively with the Debevoise team to provide clear and consistent advice.
International Arbitration: Commercial Arbitration respondentGlobalPatrick Taylor is technically excellent, and his cerebral, smooth advocacy style delivers results for his clients.
International Arbitration: Commercial Arbitration respondentGlobal
Band 4 
Band 4 
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 respondentGlobalSamantha is extremely engaged and committed to the case.
International Arbitration: Commercial Arbitration respondentGlobalSamantha knows her area of law inside out, and we like to work with her. She is technically brilliant.
International Arbitration: Commercial Arbitration respondentGlobal
Band 6 
Band 6 
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 respondentGlobalHe is very strategic and achieves a good result for the clients.
International Arbitration: Commercial Arbitration respondentGlobal
Ranked Individuals at Debevoise & Plimpton LLP (4)
Debevoise & Plimpton LLP has rankings in the following guides
Band 1 Brazil 2025
Practice area: International Arbitration
Location: Brazil
View department profile for Brazil 2025Band 1 Global 2026
Practice area: International Arbitration
Location: Brazil
View department profile for Global 2026Band 1 Latin America 2026
Practice area: International Arbitration
Location: International Counsel
View department profile for Latin America 2026
What success is built on
Chambers is the leading data and intelligence partner for the legal sector.