Bankim Thanki QC, leading Ben Valentin of South Square and John Carrington of McW. Todman, acted for the Scandinavian telecoms company Sonera in winning the right to enforce a US$ 1 billion arbitration award made by an arbitral tribunal in Geneva against the Turkish telecoms company, Cukurova Holdings.  They were instructed by Sullivan & Cromwell.  This follows a similar ruling from the New York courts.   A copy of the judgment of Bannister J, sitting in the Commercial Division, can be accessed here