Department profile
Arnold & Porter

International Arbitration

Global Guide 2026 : USA

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Arnold & Porter

Rankings

Chambers Review

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International Arbitration - USA

Spotlight

What the Team is Known For
Arnold & Porter has attained a strong reputation for its representation of sovereign states in high value international arbitration proceedings. The team is also engaged in significant commercial disputes, drawing from a strong group of multilingual practitioners with wide-ranging industry experience. The firm is particularly well regarded for its handling of South and Central America-related disputes, alongside a thriving West Coast practice servicing clients in East Asia.
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Work Highlights

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  • The Arnold & Porter represented Sweden in the first-ever investor state arbitration against the state, initiated by the Chinese telecoms company Huawei under the China-Sweden BIT.

Strengths

Provided by Chambers

  • What distinguishes Arnold & Porter from other firms is their expertise in every aspect of international arbitration. They have both deep knowledge and wide experience to provide the optimal defense.

    International Arbitration respondentGlobal

  • Arnold & Porter have both a global and a practical approach to arbitration.

    International Arbitration respondentGlobal

  • The Arnold & Porter team has the ability to adapt to challenges faced when defending states, while also dealing with sophisticated and very complex matters.

    International Arbitration respondentGlobal

  • Arnold & Porter have the skills and team depth to handle complex matters. They have a very sophisticated and knowledgeable team.

    International Arbitration respondentGlobal

  • Arnold & Porter has consistently risen to the challenge. They have provided strategic and creative solutions, often innovating to achieve results.

    International Arbitration respondentGlobal

Notable Practitioners

Provided by Chambers

  • Paolo Di Rosa
    Paolo Di Rosa

    Paolo Di Rosa

    Paolo Di Rosa has a wealth of experience handling investment treaty arbitrations and is noted for his Latin America expertise.

    • Paolo is extremely hardworking.

      International Arbitration respondentGlobal

    • Paolo Di Rosa has been excellent in his role.

      International Arbitration respondentGlobal
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  • Maria Chedid
    Maria Chedid

    Maria Chedid

    Maria Chedid has an excellent capacity to effectively handle both commercial and investment treaty arbitrations.

    • Maria brings experience, professionalism and poise to her work.

      International Arbitration respondentGlobal

    • Maria stands out as a practical, calm and confident advocate. She has an ability to quickly understand and provide sound advice regarding matters that are unique to our business.

      International Arbitration respondentGlobal

    • Maria builds strong rapport with clients, offering them not only expert legal counsel but also a sense of trust and reassurance.

      International Arbitration respondentGlobal

    • Maria is a highly effective and tenacious advocate. Her strategic insight and expert advice have been invaluable. We do not hesitate to trust Maria with our most sensitive and important issues.

      International Arbitration respondentGlobal
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  • Mélida Hodgson
    Mélida Hodgson

    Mélida Hodgson

    Mélida Hodgson is held in high regard for her expertise in investor-state arbitration matters and is also experienced in commercial arbitration. She remains a popular choice for governments and state-owned entities, with notable experience in disputes concerning the infrastructure sector. She is also noted for her work as an arbitrator.

    • Melida is very knowledgeable and is a reliable, trusted advocate.

      International Arbitration respondentGlobal
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Ranked Individuals at Arnold & Porter (5)

USA

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