Derains & Gharavi International

Investment Arbitration & PIL

Investment Arbitration

Derains & Gharavi is a leading firm in investor-State disputes having acted as counsel or arbitrator in over 75 investment arbitrations under all major institutions and ad hoc rules arising out of foreign investment laws, bilateral and multilateral investment treaties, including the ECT and OIC, involving States in Western and Eastern Europe, the Middle East, Africa, North and South America as well as Asia.

Co-founding partners Hamid Gharavi and Yves Derains are among the world’s most renowned counsels, arbitrators and scholars in this field assisted by a specialized team of partners, counsels and associates culturally and legally diverse, qualified in numerous jurisdictions, and fluent or native in many languages including Arabic, English, Farsi, French, Italian, Portuguese, Romanian, Russian, Spanish and Turkish.

The firm has balanced mandates as counsel and arbitrator and similarly balanced appointments and/or instructions by States and investors with one of the most accomplished track records as counsel in terms of victories and collections for investors and States including landmark and precedent-setting awards in the industry.

The firm’s successful representation of sovereign States led by Hamid Gharavi includes (For full list see the CV of Hamid Gharavi):

The firm’s successful representation of Investors led by Hamid Gharavi notably includes (For full list see the CV of Hamid Gharavi):

Yves Derains and Hamid Gharavi have been appointed to the ICSID Panel of Arbitrators by the Republic of Albania and the Kingdom of Cambodia and have extensive experience acting as President, Sole Arbitrator, and Co-Arbitrator in a large number of investment cases, which affords the firm the benefit of different perspectives from leading arbitrators, including the following cases (For full list see the CVs of Yves Derains and Hamid Gharavi):

The firm’s founding partners have significantly shaped the field of investment arbitration through their extensive publications addressing a wide spectrum of investment arbitration related issues (For full list see the CVs of Yves Derains and Hamid Gharavi):

Hamid Gharavi has been teaching since 2014 Investment Arbitration in the Master program “Droit International Économique” at the University of Paris II Panthéon-Assas in Paris (He has taken on the mentorship of the 2024-2025 graduates) and as a Visiting Professor at the University of Galatasaray for the academic years 2025-28.

As a recognized thought leaders in the field, the firm’s Partners are regularly invited to share their expertise and insights as panelist, chair or keynote speaker at high-profile arbitration conferences in France and worldwide. Recent speaking engagements include :