
Prestigious international arbitration firm Gaillard Banifatemi Shelbaya Disputes impresses by its large and high-profile team that is retained by the world’s largest corporations as well as by some state entities (Egypt and Algeria particularly, but also Columbia and Peru) to handle their most sensitive commercial and investment arbitration proceedings. Mainly based in Paris but with complementary offices in London, New York, Cairo and Abu Dhabi, the firm has a very strong presence on large oil and gas and African and Arabic related disputes, currently acting in sensitive cases linked to the Israel-Palestine war. Its workload also encompasses many other industry sectors such as construction, telecoms or banking, and geographical zones such as Europe and Latin America. Finally, award exequatur is another key area of strength where the practice acts in large and complex proceedings. Practice head Yas Banifatemi and Mohamed Shelbaya (Paris and Cairos based) are two highly prominent figures in the arbitration circles. Also recommended are Coralie Darrigade, Maude Lebois, Thomas Parigot , Benjamin Siino, Yael Ribco Borman as well as 2025’s promoted partners Youssef Daoud (Paris/Cairo), Anders Junker-Nilsson and André Marini . Also recommended is counsel Yael Ribco Borman .
Key clients
- Huawei Technologies Co., Ltd. (Huawei) (PR China)
- Sanofi (France)
- Electricité de France
- Dassault S.A. (France)
- Mubadala PJSC (UAE)
- Majority shareholders of former Yukos Oil Company
- Egyptian Natural Gas Holding Company (EGAS)
- Egyptian General Petroleum Corporation (EGPC)
- Sonatrach (Algeria)
- Sonangol (Angola)
- Georgia
- Algeria, Republic of
- Egypt, Arab Republic of
- Lithuania, Republic of
- Colombia, Republic of
- Peru, Republic of
- Egyptian Mineral Resources Authority
Work highlights
- Representing the Arab Republic of Egypt in two investment arbitrations involving USD 56 billion worth of claims brought under the Organization of the Islamic Conference (OIC) Agreement.
- Acting on behalf of the Republic of Colombia and securing the full dismissal of USD 300 million claims and a landmark decision on the essential security clause under the relevant treaty in an ICSID arbitration brought by U.S. investors.
- Representing Huawei in an investment arbitration against Sweden regarding measures that have resulted in Huawei’s exclusion from Sweden’s 5G network.
Lawyers

Practice head
The lawyer(s) leading their teams.
Yas Banifatemi