State disputes

We have world leading expertise in disputes involving states, both in private and public international law spheres.  Our work at Aavagard and at previous firms includes:

  • Enforcing on behalf of the Antin companies a €101 million arbitration against Spain for infamously withdrawing solar subsidies critical for EU’s energy and security imperative (
  • Representing the UAE-based Rasia fund in its over USD 300 million expropriation claim against the Republic of Armenia concerning a railway and road project, including in relation to Award annulment (
  • Representing Ukraine in an expropriation claim brought under UNCITRAL Rules.  A senior quantum expert feedback praises Professor Roos as “a real star”.
  • Representing an insurance company in an ICC arbitration against the Republic of Cyprus concerning the impact of the Cyprus financial crisis on an insurance joint venture.
  • Representing the Republic of Kenya who supported the claim for compensation by the Mau Mau against the United Kingdom, resulting in a GBP 20 million settlement in favour of the Mau Mau (
  • Advising an oil company consortium in relation to rights arising from production sharing agreements in Central Asia and related tax and cost recovery disputes.
  • Acting for an Indian company in the English High Court proceedings arising out of an arbitration over an oil production agreement, involving proceedings in the Indian Supreme Court.
  • Providing investment treaty restructuring advice for clients to protect complex investments e.g. in Africa and Latin America.