Curtis, Mallet-Prevost, Colt & Mosle LLP > London, England > Firm Profile

Curtis, Mallet-Prevost, Colt & Mosle LLP

Dispute resolution > Public international law Tier 4

Curtis, Mallet-Prevost, Colt & Mosle LLP's London team is regularly sought out for its representation of sovereign nations in investor-state arbitrations. PIL head Charles Buderi assists with international arbitration disputes involving states, and it advises governments on sovereignty, treaty and diplomatic matters. Luciana Ricart made partner in 2020.

Practice head(s):

Charles Buderi

Other key lawyers:

Luciana Ricart; Belén Ibañez


‘They stand out for their unique expertise in exclusively representing sovereign states in high-stakes investor-state arbitrations. This exclusive service lives up to its reputation, as they provide their sovereign client with the highest level of expert advice and representation at all stages of the case. They are true leaders in a niche market of cases and deservingly rank as such.’

Key clients



Argentine Republic

Republic of Cyprus

Republic of Kazakhstan

Republic of India

Work highlights

  • Secured a victory for the UAE during the jurisdictional phase of ICJ proceedings brought by Qatar, which alleged violations of the 1965 International Convention on the Elimination of All Forms of Racial Discrimination.
  • Acted for Kuwait in dismissing a claim brought by a Swiss entity, which alleged it had shares in a Kuwaiti company that had a contract with the Kuwaiti Ministry of Health.

Projects, energy and natural resources > Oil and gas Tier 4

The oil and gas practice group at Curtis, Mallet-Prevost, Colt & Mosle LLP has been strengthened by the arrivals of Marc Hammerson and Tony Edwards from Stephenson Harwood in late 2020. The team advises state-owned entities on the development of nationally-significant projects across the upstream and downstream space in the Middle Eastern and African markets. Hammerson co-heads the team with Ryan Hansen, who is experienced in conducting licensing rounds and competitive tenders for oil and gas reserves, as well as negotiating production sharing agreements, licenses and joint operating agreements. Timi Balogun is an expert in project finance and infrastructure development, with a particular strength in upstream oil and gas projects, primarily in Sub-Saharan Africa.

Practice head(s):

Marc Hammerson; Ryan Hansen

Other key lawyers:


‘Marc is unique in his elaborate experience in the oil and gas market and specifically decommissioning matters. Marc has a wealth of knowledge, is very pleasant to exchange thoughts with, and advises in a clear and to-the-point way. He is also extremely helpful in finding out-of-the-box solutions.’

‘Marc Hammerson at Curtis. He has proved to be an excellent adviser and negotiator on a complex oil and gas farm in opportunity. Knowledgeable and calm.’

Great international reach, well versed in African E & P. Tony Edwards is detail-oriented, focused and methodical. Marc Hammerson is inspirational.’

‘Timi Balogun has been impressively analytical and presents otherwise complex legal issues in a simple and concise manner.’

Key clients

Harps Holdings Pte Ltd

Strand Hanson Limited

Nigerian National Petroleum Corporation

Springfield Exploration & Production Ltd

RAK Gas LLC (national oil & gas company of Ras Al Khaimah)

First Hydrocarbon Nigeria

Somalia Petroleum Authority

Banyan Asian Capital

Brinitup Hydrocarbons Limited

Work highlights

  • Advising RAK Gas on the strategic development of a natural gas industry that will transform industrial gas usage within the Emirates.
  • Advising Banyan Asian Capital on the process of making major acquisitions from Oil Majors and developing natural gas infrastructure allowing the export of Nigeria’s abundant gas revenues.
  • Advising on a key strategic infrastructure project for South Africa forming a key part of Operation Phakisa (to develop the South African coastline).

Investment fund formation and management > Private funds Tier 5

Curtis, Mallet-Prevost, Colt & Mosle LLP advises investment managers and banks on formations, capital raising, and investment matters, alongside notable work with high-net-worth individuals acting as LPs and sovereign wealth funds. The team has a particular focus on private equity, and offers bespoke US expertise alongside its UK and EU capabilities. The team is led by US-qualified Bradley Doline and Thomas Laurer.

Practice head(s):

Thomas Laurer; Bradley Doline


The level of client service provided by Thomas Laurer and his team is exceptional. I would never hesitate to refer clients to them.

The team is very knowledgeable, knows the need of their clients, and advises them in a timely basis.

Thomas Laurer is technically excellent and provides a highly responsive service.

Brad Doline is able to see the core issues clearly, is available at off hours, and always helpful.

They provide prompt solutions and collaborate incredibly well together as a team when one area is outside the scope of expertise of one of the partners.

Brad Doline is incredibly considerate as a person and exceptionally thorough as a lawyer. He is meticulous with every detail, always provides prompt and thorough responses and is ahead of the curve in providing solutions to any future issues that may arise.

Key clients

Energy Finance Partners

Burgan Bank

United Gulf Bank

Brevet Capital

HBM Partners

Quantum Capital

iAngelME Capital

Ibex Investors

Blue Water Life Science Advisors

Oman Technology Fund

BC Partners

Oman Investment Authority

Work highlights

  • Advising the Oman Investment Authority on its closed-ended fund investment program.
  • Advising the KIPCO Group and its subsidiaries United Gulf Bank and Burgan Bank on a private funds investment program.
  • Advising Brevet Capital Management on a range of matters relating to fund formation, investments, regulatory issues, compliance and day-to-day operational issues.

Dispute resolution > International arbitration Tier 7

Curtis, Mallet-Prevost, Colt & Mosle LLP's London office regularly acts for governments and state-owned entities in investor-state arbitrations. The team's principal figures are Charles Buderi, who works across the firm's London and Dubai offices; and Mark Handley, who has oil and gas, financial services, infrastructure, telecoms and media sector experience.

Practice head(s):

Charles Buderi; Mark Handley

Other key lawyers:

Justin Jacinto; Luciana Ricart; Milo Molfa; William Hampson; Serena Boscia Montalbano


Excellent group of professionals, with solid expertise.

Organised, giving important and valuable guidance to the client at every step.

The relationship with the individuals is extremely good, the co-operation is easy, there are productive exchange of views, and they have respect for their client.

The law firm is well equipped from a professional point of view and very responsive to our requests.

We have achieved fantastic results thanks to the strong team they put together to represent us.

They are focused on the important issues raised and will tackle them from different angles.

Key clients

The Republic of India

State of Kuwait

Republic of Uganda

State of Libya

Federal Airports Authority of Nigeria

Argentine Republic


Danieli & C. Officine Meccaniche

The Republic of Kazakhstan

Sirte Oil Company for Production, Manufacturing of Oil & Gas

Work highlights

  • Acted for the State of Kuwait in several investment treaty cases.
  • Defended the Republic of India against a $1.4bn claim brought by Khaitan Holdings (Mauritius) under the Mauritius-India investment treaty.
  • Secured a complete victory for Sirte Oil Company for Production, Manufacturing of Oil & Gas, as defendant to an ICC arbitration that was brought by Indian company Punj Lloyd.

Oman > Banking and finance Tier 2

The firm: Curtis, Mallet-Prevost, Colt & Mosle LLP, founded in 1830, was one of the first US law firms to develop a truly international practice. Dedicated to counselling clients involved with some of the most challenging transnational transactions and complex multijurisdictional disputes, Curtis represents multinational companies, international financial institutions, governments and state-owned entities, family and other privately held businesses, entrepreneurs and high-net-worth individuals. With offices in the United States, Latin America, Europe, the Middle East, and Central and East Asia, Curtis is located in the key business centres where clients need the firm most.

Areas of practice: Established in the mid-1970s as one of the firm’s first European locations, the London office plays a key role in the ongoing expansion of the firm’s international practice, particularly in Africa, the Middle East, central Asia and Northern and Eastern Europe.

Curtis’ London team offers both UK and international law advice across a range of industry sectors. Its clients include multinational corporations and financial institutions, governments and state-owned companies, money managers, sovereign wealth funds and start-ups. In keeping with the firm’s international profile, the London office offers Curtis’ clients multilingual and multijurisdictional lawyers whose professional experience and international orientation make them well-positioned to handle complex and unique international legal assignments. With the office’s English law capability and experience in legal matters involving the UK, the London team directs the UK component of larger international transactions, including litigation matters in the English courts and tribunals.

The firm is well-known for representing governments and state-owned entities as clients, across oil and gas, infrastructure development and international arbitration. The London office boasts practitioners across all these fields and is also at the heart of the firm’s busy and highly regarded Public International Law practice, which works closely with the investment treaty arbitration team. Curtis has a rich insight into the unique position of sovereign states, and provides day-to-day advice for in-house legal departments as well as representing states before international tribunals.

Curtis is a market-leader in investor-state arbitration, having acted successfully for states and government-owned entities in some of the most important and complex disputes of recent times. Members of the Curtis London team work on many of the world’s high-profile international arbitrations and our practice extends to acting for clients in enforcement-related court proceedings in England.

The London team boasts a strong and growing commercial arbitration practice, with dispute experience in the oil & gas industry, construction, telecommunications, mining, agriculture, infrastructure, transportation and energy sectors.  With solicitor-advocates among our litigators, and a wealth of experience in international commercial arbitration, this is an area of practice that continues to grow, and is notable for its international orientation in comparison with other UK based disputes practices.

Our corporate and commercial team advises a wide spectrum of international and domestic corporates on the full range of corporate and commercial matters. Members of the team work closely with colleagues in other offices on the UK component of international deals.

The office has a thriving private funds group. Our lawyers advise major international banks, investment managers and firms, high-net-worth individuals and sovereign wealth funds, on the planning, structuring and formation of various complex funds. The compact team has a truly international presence and global reach, working on a daily basis with clients on five different continents.

Commercial Arbitration Milo
Commercial Litigation Mark
Corporate Tony
Economic Sanctions Mark
Energy /Oil and Gas Marc
International Arbitration Luciana
Investment Management Thomas
Public International Law Charles
Contact : Mark Handley
Other offices : Almaty
Other offices : Beijing
Other offices : Bogotá
Other offices : Buenos Aires
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Other offices : Houston
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Other offices : Washington DC