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Antoine Laniez Partner

Antoine Laniez is a partner with NautaDutilh and head of the Luxembourg Litigation & Arbitration practice. He represents a wide range of institutional clients in complex arbitration and litigation in the areas of commercial, corporate and insolvency law. Antoine has an impressive track record in cross-border recognition and enforcement proceedings, in particular cases involving sovereign states. He also supervises a dedicated employment team, which focuses on Luxembourg and European corporate labour law. 

Highlights include

  • Representing two Moldovan investors in proceedings to enforce a more than USD 500 million arbitral award against a Central Asian country, resulting in a multimillion-euro asset freeze.
  • Representing a multinational bank in complex insolvency-related litigation in Luxembourg.
  • Representing a major insurance company in Cepani arbitration relating to a construction dispute.
  • Representing a subsidiary of GE Capital in complex litigation before the Luxembourg courts.
  • Representing one of the largest employers of Luxembourg in a sizeable commercial litigation against a former client. 
  • Representing a major oil company to defend against a bid by descendants of a former sultanate to enforce a USD 15-billion award

  • Representing a Luxembourg based award creditor in one of the most notorious renewable energy investment case against Spain

What others say

  • "Antoine Laniez provides excellent advice" (Chambers Europe, 2023)
  • "Antoine Laniez is all-round, an excellent technical lawyer and provides a terrific client service" (The Legal 500, 2022)
  • "Leading arbitration practitioner" (The Legal 500 Arbitration Powerlist, 2022)
  • "Future leader in arbitration" (Who's Who Legal, 2020, 2021, 2022)
  • Practice recognised as "Excellent" for Litigation & Arbitration (Leaders League, 2023)

More about Antoine
Antoine studied private and criminal law at the University of Toulouse and holds a master's degree in European law from the University of Bourgogne - Franche-Comté. During his studies, he took part in the Erasmus exchange programme in the Netherlands (2003). He also holds an LL.M. (DESS) in European litigation from the Universities of Nancy, Strasbourg and Luxembourg (2005). Antoine has over 15 years' experience as a lawyer in Luxembourg. He was admitted to the Luxembourg bar in 2006 and to the French bar in 2013 (non-practicing). He qualified as a solicitor of the senior courts of England and Wales in 2011 (non-practicing). Antoine is fluent in French and English and proficient in Spanish.

Antoine was a lecturer at the law faculty of the University of Lorraine for several years and is now a guest lecturer on international arbitration at the University of Luxembourg. He is a regular speaker at international conferences (e.g. IBA Litigation symposium 2023) and seminars and a frequent contributor to litigation and arbitration publications in Luxembourg. Antoine is a member of the Comité Français de l'Arbitrage (CFA) and a board member of the Luxembourg Arbitration Association. He was part of the six member redacting committee which drafted the Luxembourg new arbitration law of 19 April 2023, in close cooperation with the Ministry of Justice of Luxembourg.

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