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Home > Contributing Author

Arnoud R. Willems

A.R. Willems
Arnoud R. Willems
Sidley Austin LLP

Articles(s) by this author

Profile

Arnoud R. Willems is a partner in the International Trade and Arbitration Group in the Brussels office of Sidley Austin LLP, the law firm. As an EU and international trade practitioner, Mr. Willems frequently advises governments, industries and major corporations on energy and trade matters including the negotiation, conclusion and implementation of trade agreements and WTO rules. In this respect, Mr. Willems regularly represents clients before the European, Dutch and Belgian administrative authorities, courts, and arbitration panels.

Mr. Willems is a thought leader on competitiveness, the application of WTO rules to the energy sector, climate change and the EU energy regulation. He is a member of various expert Committees and publishes and speaks widely on energy, trade and competitiveness. His articles have been published in Asian, European and American journals.

Mr. Willems is highly recommended in the area of EU and WTO trade by the leading legal directories such as Chambers Global, Who's Who Legal, and The Legal 500 Europe, Middle East and Africa.

OGEL Articles

Article(s) by this author:
(Most recent first)

Unbundling As a Defence Mechanism Against Russia: Is the EU Missing the Point?

EU - Russia relations
OGEL 2 (2009)

Call for contributions

OGEL Call for Papers: Clean Energy Projects and Risk Mitigation

Dr. Tade Oyewunmi, Dietrich Hoefner, Ben Busboom, and Professor Tina Soliman Hunter

  • Dr. Tade Oyewunmi
  • Dietrich Hoefner
  • Ben Busboom
  • Professor Tina Soliman Hunter

OGEL Call for Papers: State Aid and Competition Rules in the Energy Sector

Prof. Angus Johnston and Prof. Theodoros Iliopoulos

  • Prof. Angus Johnston
  • Prof. Theodoros Iliopoulos

OGEL Call for Papers: Space Mining: National and International Regulation for and against Commercial Mining of Outer Space Resources

Prof. Gbenga Oduntan, Prof. Engobo Emeseh, Dr. Alan Reid, and Motolani Fadahunsi-banjo

  • Prof. Gbenga Oduntan
  • Prof. Engobo Emeseh
  • Dr. Alan Reid
  • Motolani Fadahunsi-banjo

OGEL Call for Papers: Impact of the Energy Transition on Water Resources

Professor Tina Soliman Hunter

  • Professor Tina Soliman Hunter

Call for Papers: OGEL Energy Law Journal 2026

Call for Papers: OGEL Energy Law Journal 2025

OGEL Editorial Team

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Advance publication

Regulatory Risk by Design: How Integrated Resource Planning in the American West Shapes Clean Energy Deployment

24 Apr 2026

A.S. Gasilov

  • A.S. Gasilov

Offshore Bidding Zones - Disregarding Procedural Fairness and Competitive Balance?

16 Mar 2026

K. Kowalewski

  • K. Kowalewski

From Negotiation to Litigation: An Analysis of Dispute Resolution Clauses in Offshore Oil and Gas Agreements Under English Law

12 Mar 2026

T.Z. Taha

  • T.Z. Taha
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