UNIDROIT Holds Centenary Conference on International Arbitration

On 22 and 23 October 2026, representatives from over 20 major arbitral centres and institutions from across the globe and independent arbitrators gathered in Rome to examine how greater cooperation and harmonisation can strengthen international arbitration and respond to the evolving needs of its users.  The conference programme can be accessed here.

Hosted at the seat of UNIDROIT as part of the Institute’s Centenary celebrations, the UNIDROIT Conference on International Arbitration addressed the role of international arbitration in the formation, application and development of international standards and uniform rules. Discussions explored how institutions could work together to develop more aligned procedural standards, improve transparency and predictability, and promote the application of transnational legal principles, while respecting party autonomy, different legal traditions, and regional needs.

The conference was opened by UNIDROIT Secretary-General Ignacio Tirado and UNIDROIT President Emerita Maria Chiara Malaguti.  UNIDROIT Governing Council Member José Antonio Moreno Rodríguez presented a historical analysis, recalling that UNIDROIT’s foundational work on arbitration began in 1929 with René David’s comprehensive report on arbitral laws across countries (officially published in 1932), leading to draft provisions in the 1930s that contained the genetic material for later arbitration frameworks including the New York Convention’s limited review regime.

Over the course of three moderated roundtable sessions, representatives of the participating arbitral institutes examined practical opportunities for collaboration, including more consistent approaches to award scrutiny, publication practices, and statistical reporting (a work currently being undertaken by IFCAI). Other key topics included diversity in arbitral appointments, arbitrator immunity, the use of artificial intelligence in proceedings, and the respective roles of arbitral institutions and public authorities in shaping international standards.

Eduardo Silva Romero, Chair of the ICC Institute of World Business Law, discussed the current collaboration between UNIDROIT and the ICC Institute on investment contracts, highlighting the value of public-private sector collaboration in creating international rule of law. The forthcoming UNIDROIT-ICC instrument aims to provide practical principles and model clauses addressing issues such as applicable law, dispute resolution, stabilisation clauses, and sustainability and human rights, offering parties guidance for structuring balanced investment relationships.

Participants discussed other initiatives in international arbitration. Members of the IBA Task Force developing an autonomous standard for res judicata in commercial arbitration presented the main results reached so far. The Task Force is currently working towards clearer, more consistent guidance on the effects of previous arbitral awards in subsequent proceedings, with the aim of enhancing legal certainty and reducing unnecessary costs and delays. The topic triggered a thorough, lively debate on several aspects of the subject matter, which remain open for discussion.

The conference also featured an introduction to the Zambia Alternative Dispute Resolution Mechanism for Sustainable Trade and Investment, a pilot project undertaken by UNIDROIT and the Italian Arbitration Association with the support of the Italian Ministry of Foreign Affairs and International Cooperation (MAECI). The pilot project provides training to Zambian public officials and the staff of the Lusaka International Arbitration Center with the aim of strengthening relations and fostering investment through ADR. This collaboration between UNIDROIT, AIA and MAECI envisions the development of future similar projects in other parts of the world.

Looking to the future, discussions identified potential areas for further UNIDROIT work, focusing on the contractual dimension of arbitration. The conference reaffirmed the importance of sustained dialogue between UNIDROIT and arbitral institutions worldwide. Given the success of the event, the initiative is set to be repeated in 2027.  A Save The Date will circulate soon to ensure even wider participation. As the Institute marks its Centenary, the focus is not only on its legacy in harmonising private law, but also on developing practical solutions to the challenges facing international arbitration today.

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