The 53rd Session of UNCITRAL Working Group III (WGIII), held in mid-January 2026 in New York, marked another modest but revealing step in the long road toward reforming investor–State dispute…

In mid-2025, the United Nations Commission on International Trade Law (UNCITRAL) Working Group III (WGIII) released a new set of Draft Provisions on Procedural and Cross-Cutting…

During the week of 22 September 2025, States once again met in Vienna under Working Group III (WGIII) of the United Nations Commission on International Trade Law (UNCITRAL)…

Introduction This post addresses issues being considered in the UNCITRAL Working Group III process in relation to the design of a multilateral instrument on investor–State dispute…

The ISDS reform process at UNCITRAL Working Group III provides a unique opportunity to consider new institutional dispute settlement designs. As EJIL:Talk! Readers will know from earlier blogs…

As states explore options to reform investment treaties and investor-state dispute settlement (ISDS), they can draw on a growing body of grounded perspectives about how the system works…

How many International Investment Disputes have there been since 1973? How many International Investment Disputes are ongoing now? We do not know. There is no authoritative count. How…

The investor-state dispute settlement (ISDS) reform process underway in UNCITRAL Working Group III has entered the delivery phase. The first four reform products were delivered in July 2023,…

From September 5 – 16, the delegates of UNCITRAL Working Group III were back in Vienna to continue discussing ISDS reform. While it was possible for registered delegates…

Since UNCITRAL Working Group III opened its most recent session on 14 February, many delegates began their interventions by wishing each other a Happy Valentine’s Day. As they…