News 15 Oct. 2026

Curtis Recognized in Chambers UK 2027 Guide

Curtis is pleased to announce that it's once again been ranked by Chambers UK in its 2027 guide. The Guide particularly recognizes the firm's International Arbitration, Public International Law and Oil & Gas practices.

International Arbitration: Investor-State Arbitration

Curtis' market-leading international arbitration practice is highlighted by Chambers for its 'expert international capabilities spanning across Latin America, Europe, the United States, the Middle East and Asia' and particularly noted for its 'high-end representation of states.' Partner Luciana Ricart is individually ranked for her arbitration practice in this Guide. Clients commented that:

  • "The Curtis team has been incredible and meticulous in both written and oral advocacy. Curtis is very prompt in responding to critical issues arising in investor-state arbitrations and provides world class services in advocacy and advisory work related to investor-state arbitrations."
  • "Beyond handling complex arbitration proceedings, the team demonstrates a strong grasp of how disputes fit within the wider architecture of foreign direct investment regulation, including treaty design, regulatory space considerations and policy implications."
  • "Their ability to handle complex matters and be able to communicate those make them distinctive from others in the field."
  • "With her extreme work ethics combined with great expertise, Luciana is excellent."
  • "Luciana is an excellent professional with extensive experience and solid knowledge in international investment arbitration."

Public International Law

Chambers UK also recognizes Curtis for its 'expertise in the PIL arena', with Partners Charles Buderi and Luciana Ricart maintaining individual recognitions. Please see below for client commentary:

  • "Everyone I have worked with at Curtis is excellent. The team has a strong depth of talent and everyone there is impressive, intelligent and switched on. The team also has strong technical ability in PIL. It is quite rare in a firm to have people who understand PIL, and this firm does."
  • "The team's strengths include its strong technical legal analysis, strategic case management and extensive experience coordinating large and sophisticated matters. This department also stands out for its collaborative approach and its ability to manage complex disputes with rigor and consistency."
  • "Charles is a very sophisticated lawyer with a depth of knowledge in international law. He is also responsive and shows a deep understanding of clients' needs."
  • "What distinguishes Luciana from peers is her combination of exceptional technical expertise, strategic insight, and outstanding client service."

Energy & Natural Resources: Oil & Gas

18 years ranked, Marc Hammerson is a highly regarded practitioner in the sector and Chambers also individual ranks him for his work in the field:

  • "Marc is a superb technical lawyer with a unique understanding of the industry."
  • "Mark has impeccable knowledge of oil and gas matters."

Read more on Curtis' rankings here.

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