Department profile
Hogan Lovells Cadwalader

International Arbitration: Investor-State Arbitration

UK Guide 2026 : UK-wide


Hogan Lovells Cadwalader

Rankings

Chambers Review

Provided by Chambers

International Arbitration: Investor-State Arbitration - UK-wide

Band 4

Band 4


What the Team is Known For

Hogan Lovells has a strong bench of dedicated arbitration specialists with particular expertise in the energy sector, as well as African and CIS disputes. It is a well-established arbitration practice attracting instructions from significant entities in the construction, oil and gas, telecommunications and financial services sectors. The firm is also respected for its work in investor-state disputes, in which the team has experience acting for both sovereign states and corporate clients. The team demonstrates particular expertise in the Energy Charter Treaty and has appeared before leading arbitral institutions, including the ICC and LCIA.

Work Highlights

Provided by Chambers

  • Hogan Lovells continued to represent the government of Ukraine in an investment arbitration brought by Swedish energy company Misen Energy under the Sweden-Ukraine Bilateral Investment Treaty.

Strengths

Provided by Chambers

  • Hogan Lovells is very efficient, organised and structured.

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  • They have significant expertise and are very commercial.

    International Arbitration: Investor-State Arbitration respondentUK
  • The team of experienced lawyers showed excellent expertise in navigating challenging legal issues and providing strategic solutions for us.

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  • They are a very professional, robust outfit.

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  • Hogan Lovells communicates extremely well in terms of both frequency and substance.

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Notable Practitioners

Provided by Chambers

  • Band 3Markus Burgstaller
    Band 3Markus Burgstaller

    Markus Burgstaller

    Markus Burgstaller is a well-reputed arbitration specialist with extensive experience in investor-state disputes. He fields considerable cross-border expertise, with a particular focus on the European and CIS markets. He regularly represents sovereign states and private companies in BIT claims.
    • Markus is very personable, with significant expertise in this space.

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    • Markus is very focused on achieving client objectives and provides excellent input on legal strategy.

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    • Markus is very well organised and structured.

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    • Mr Burgstaller's knowledge of international arbitration rules and practices is spectacular.

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    • His astute strategy and intuition have led to favourable decisions during the course of an arbitration.

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  • Band 5Kieron O'Callaghan
    Band 5Kieron O'Callaghan

    Kieron O'Callaghan

    Kieron O'Callaghan leads the international arbitration team in London. He leverages significant CIS expertise within his arbitration practice, and often represents clients in the banking, energy and pharmaceutical sectors in high-value LCIA arbitrations.
    • Kieron has a good command of detail and a soft hand with clients.

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    • Kieron thinks through issues and is well organised.

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    • Kieron brings detailed knowledge of underlying commercial areas and has great expertise.

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  • Band 6Michael Davison
    Band 6Michael Davison

    Michael Davison

    Michael Davison serves as the deputy CEO of Hogan Lovells. His practice includes representing major clients such as energy sector representatives in disputes against state governments. He also brings to bear wider ADR experience as an arbitrator and mediator.
  • Band 6Nathan Searle
    Band 6Nathan Searle

    Nathan Searle

    Nathan Searle has a broad commercial practice and regularly advises clients on a wide range of sectors including telecoms, technology, energy and commodities. He has notable experience in Africa-related disputes.

    • He is good at running cases and advising clients.

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Ranked Individuals at Hogan Lovells Cadwalader (4)

UK-wide

Hogan Lovells Cadwalader has rankings in the following guides

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