Marc KLEYR is one of the co-founders of the firm, and he has been its Managing Partner for 30 years. Today he is one of the Senior Partners of the Firm and part of the Corporate Finance litigation department.

He is highly regarded in the market for his experience in commercial and corporate litigation, with a special focus on shareholders’ litigation, finance litigation, insolvency-related litigation and audit negligence claims. Marc has a unique expertise in multi-jurisdictional and cross-border cases. Over the last 20 years, he has been involved in all major high-profile corporate finance and insolvency-related litigation cases in Luxembourg.

He has been ranked by legal directories Chambers&Partners Europe and Legal500 as one of the very few Top tier lawyers in dispute resolution and litigation in Luxembourg, for 15 consecutive years, .


Practice Areas:

Maîtrise en droit privé, University of Strasbourg, 1990

DEUG, Center for French Legal Studies, University of Saarbrücken, 1988

Philosophy and Foreign Languages, University of Saarbrücken, 1986


English, French, German, Luxembourgish

Member of:

Luxembourg Bar, admitted in 1991

Union Internationale des Avocats (UIA) - International Association of Lawyers

International Association of Restructuring, Insolvency & Bankruptcy Professionals (INSOL)

R3 – Association of Business Recovery Professionals


Dispute Resolution 2013, Luxembourg Chapter, in Getting the Deal Through, London 2013

Restructuring & Insolvency 2013, Luxembourg Chapter, in Getting the Deal Through, London 2012

La production forcée de pièces par voie de référé dans un contexte international : la pre-trial document discovery à la luxembourgeoise, in Journaux des tribunaux, Luxembourg 2011

Phone Number: +352 227 330 - 730
Curriculum Vitae (PDF): Download Curriculum Vitae