Debevoise & Plimpton LLP
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Recently mandated by both sovereigns and international companies, Debevoise & Plimpton LLP‘s London practice handles both investor-state matters and commercial arbitrations. Lord Peter Goldsmith KC, a former UK Attorney General, is ’always well prepared and strategically minded’; Jeffrey Sullivan KC acts in commercial and investor-state arbitrations before major arbitral institutions; London and Hong Kong-based Tony Dymond specialises in construction-related commercial arbitration; and Patrick Taylor is experienced in the upstream oil and gas, energy, telecoms and pharmaceuticals sectors. Also key to the group, Samantha Rowe‘s experience encompasses ICSID, UNCITRAL, SIAC, ICC and LCIA arbitrations; Conway Blake’s caseload includes Africa, CIS and Caribbean-related disputes; Gavin Chesney represents construction, energy, mining, defence, telecoms and manufacturing clients; and Shreya Aren acts for corporate and state clients under a range of institutional rules. Other experienced practitioners are Laith Najjar, Monika Hlavkova, Sonja Sreckovic, and Mark McCloskey. In April 2025, Robert Hoose departed the firm.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Deep resources and impressive sector knowledge. Debevoise shows stellar quality through its advocacy and strategy.’
‘Really strong, technically-focused and user-friendly team for international arbitration matters. Advice is thoughtful, and showcases and leverages depth of expertise across treaty matters.’
Work highlights
Representing Suomi Power Networks TopCo, Supernova II Bidco and AMF Tjänstepension, in an ICSID arbitration against the Republic of Finland under the Energy Charter Treaty, the claims arising from the Finnish State regulator’s changes to the regulatory regime for electricity distribution.


