John Willems

Partner, Paris



John Willems is an experienced international arbitration lawyer, who advises clients in a wide variety of disputes.

He is experienced with international arbitration proceedings before the International Centre for the Settlement of Investment Disputes (ICSID), the Permanent Court of Arbitration (PCA), the International Chamber of Commerce (ICC), the Arbitration Institute of the Stockholm Chamber of Commerce (SCC), the American Arbitration Association (AAA/ICDR), and various ad hoc tribunals, including those conducted under UNCITRAL Rules.

John has successfully represented sovereigns, investors, banks and other parties, and his varied sector experience includes banking, construction, oil and gas and telecommunications.

Bars and Courts
US Court of Appeals for the Second and Federal Circuits
US District Courts for the Southern, Eastern and Western Districts of New York
New York State Bar
University of Virginia School of Law

Executive Editor of Virginia Journal of International Law

Brown University


Bilateral Investment Treaty arbitrations:

Representation in the successful defense of the claims in 'Vigotop Ltd. v. Hungary', an ICSID arbitration arising under the Hungary-Cyprus Bilateral Investment Treaty relating to the alleged expropriation of the concession to a "mega casino" project.

The State of Ukraine
Representation in the successful defense of the claims brought by Global Trading Resources and Globex International, both US investors. The case represented the first occasion where a State was able to obtain a summary dismissal on the merits of an ICSID claim under ICSID Rule 41(5).

The State of Ukraine
Representation in 'Bosh International Inc. and B&P Foreign Investments Enterprise v. Ukraine', regarding the successful defense of an ICSID arbitration brought by a US investor in relation to the termination of an agreement for the development and operation of a hotel and science complex.

Other commercial arbitrations:

The National Environmental Investment Agency of Ukraine
Representation of the National Environmental Investment Agency of Ukraine in the successful defense of an arbitration brought by a Cypriot company under the PCA Environmental Rules.

Romanian Bank
Representation in the successful defense of an English law arbitration governed by the UNCITRAL Rules against two Cyprus-based companies.

Representation of the purchaser in a New York law AAA arbitration involving a claim by a seller under the "earn out" provision.

Korean Electronics Company
Representation in an ICC arbitration against a Turkish company arising out of the establishment of a manufacturing operation for color television sets.