On June 25, 2015, the United Nations Conference on Trade andDevelopment (UNCTAD) released its World Investment Report 2015 (WIR). Chapter III of the report provides some new and most interesting numbers on investor–state dispute settlement (ISDS) cases—who wins how many cases and when.
Following UNCTAD’s traditional methodology, the total number of concluded cases is broken down between settled, state “wins,” and investor wins. Arbitral decisions on jurisdiction and merits are thus cumulated without distinction. The application of this methodology results in the following numbers, also presented in the latest WIR: