In addition to ‘securing successful outcomes for sovereign clients in major investor-state matters’, Arnold & Porter’s London team is also experienced in high-value and reputationally-sensitive commercial arbitration cases. David Reed represents multinational corporations, sovereign states and government-owned entities in international commercial and investment arbitrations, and Patricio Grané Labat is ‘an outstanding lawyer’. Álvaro Nistal specialises in investor-state arbitration and public international law, while Charlotte Mallorie focuses on complex, multi-jurisdictional commercial disputes. In March 2024, former partner Monty Taylor departed the firm.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Very professional law firm with plenty of outstanding attorneys. The team has been going from strength to strength, securing successful outcomes for sovereign clients in major investor-state matters.’
  • ‘Arnold & Porter has a team of lawyers with very wide expertise and outstanding legal skills. They are capable of delivering clear advice and effective representation.’
  • ‘They have a strong team and all of them are very responsive and professional.’
  • ‘David Reed is an effective team leader with impeccable strategic judgement, and strong and persuasive advocacy. He stands out with his excellent knowledge of the foreign investment aspects of public international law.‘
  • ‘Patricio Grané Labat is an outstanding lawyer - very clever and accurate.’
  • ‘Álvaro Nistal is an exceptional lawyer with great depth of knowledge and expertise in PIL and investor-state arbitration.’
  • ‘Timothy Smyth strongly impresses with his deep and precise analysis of the legal issues in every case, and his eloquent and effective advocacy.’
  • ‘Bart Wasiak is hard-working and dedicated to building the best possible defence for the client. His attention to detail and responsiveness make him a very valuable member of the legal team.’

Key clients

  • Republic of Peru
  • Kingdom of Thailand
  • Republic of Colombia
  • Republic of Costa Rica
  • Republic of Bulgaria
  • Republic of Panama
  • Republic of Turkey
  • Kingdom of Sweden
  • Republic of Korea
  • Czech Republic
  • Dominican Republic
  • EU Commission
  • Karkey Karadeniz Elektrik Uretim
  • Republic of Chile
  • Republic of Hungary
  • Kyrgyz Republic

Work highlights

  • Successfully represented Peru in an investor-state arbitration brought by Latam Hydro and CH Mamacocha under the US-Peru TPA.
  • Defending Peru against a $2.1bn ICSID claim brought under the Belgium/Luxembourg-Peru BIT by Odebrecht Latinvest and Odebrecht Latin Finance, the case concerning one of the largest gas transportation projects in Latin America.
  • Representing Sweden in an investor-state arbitration against the state, initiated by Chinese telecoms giant telecoms Huawei under the China-Sweden BIT.

Lawyers

Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Practice head

The lawyer(s) leading their teams.

Patricio Grané Labat, David Reed

Other key lawyers

Álvaro Nistal, Charlotte Mallorie, Timothy Smyth, Bart Wasiak, Andrea Mauri Paricio, Paloma García Guerra, Julia Calderón Carcedo