Pierre Mayer

Pierre Mayer
Professeur émerite de l’Université Paris I - Sorbonne, Avocat au barreau de Paris, Arbitre du commerce international
- Nationality : French
- Languages : French, English
- +33 6 08 71 51 78
- pierre.mayer@mayergreenberg.com
Professor Pierre Mayer acts as arbitrator or counsel in commercial and investment treaty-based proceedings under a variety of ad hoc or institutional arbitration rules.
His experience spans a variety of sectors (including energy, transport, telecommunications, projects, M&A, etc.) and all forms of contracts.
He is one of the most highly regarded arbitration practitioners in France (Who’s Who Legal Arbitration in France 2018) and is routinely acclaimed as one of the best arbitrators in the world.
Former practice
Coudert Brothers (1984-2004)
Clifford Chance (2004-2007)
Dechert (2007-2015)
What others say about us
Professor Mayer is ranked as one of the “Most In Demand Arbitrators” in France and in Europe by Chambers.com.
He is described as “a superb choice to sit as arbitrator in complex cases” and as “recognised globally for his experience in commercial and investment disputes across a range of sectors.”
Chambers reports that Mayer is considered to be ” able to take a nuanced approach and explain issues really well,” ; ” very clear in what he writes” and “able to take a calm look at issues and keep everything in context”.
“Pierre Mayer belongs to the ‘dream team’ of the international arbitration world: one of the best academics and most renowned arbitrators and a brilliant counsel with long experience. And now, together with a very promising practitioner who has worked with him for many years, he makes what should prove the perfect career move: creating a small team, fully independent and highly competent. »
“Anyone who has not worked with Pierre Mayer as presiding arbitrator in a long and complex arbitration cannot imagine his ability to reassure the parties, smooth out differences between his co-arbitrators and reach a fair and reasoned solution….»
Qualifications & Academic activities
Doctor of Private Law (1971) ; Agrégé in private law (1971)
Professor at the University of Paris I (Panthéon-Sorbonne) from 1984 to 2012
Emeritus Professor of the University of Paris I (Panthéon-Sorbonne) since 2012
Professor at the University of Paris X (Nanterre) from 1974 to 1984
Doctor honoris Causa, University of Liège and University of Athens
Member of the Paris bar (1964-1974 and since 1980)
Professional activities
- Former president of the International Academy for Arbitration Law
- Member and former president of the Comité français de droit international privé
- Member of the Council of the ICC Institute of World Business Law
- Member of the Board of the Comité français de l’arbitrage
- Member of the Institut de droit international
- Former president of the Committee on International Commercial Arbitration of the International Law Association
- Former President of the Committee on Private International Law of the International Union of Lawyers (UIA)
- ICC arbitration concerning a dispute arising from the sharing of jointly-owned and complex assets between two individuals. Kuwaiti law. $ 3 billion in dispute
- ICC arbitration relating to the largest amount in dispute in the history of the ICC (77 billion) concerning the application of an oil production sharing contract in a African country.
- EuroGas Inc. and Belmont Resources Inc. v. Slovak Republic (ICSID Case No. ARB/14/14)
- Dan Cake (Portugal) S.A. v. Hungary (ICSID ARB/12/9)
- LCIA arbitration relating to the pricing of gas of gas in a central Asian country.
- Challenge of the arbitral tribunal in ICC proceedings
- ICC proceedings concerning the wrongful termination of a construction contract subject to Georgian law – victory achieved for the client. 21 million USD in Dispute. Georgian applicable law.