Jean-Luc Putz is a Partner in the Business Crime and Employment Law, Pensions & Benefits practice areas of Arendt & Medernach.

He specialises in criminal law, with a focus on cybercrime as well as white-collar, financial, and corporate crime, together with money laundering and corrupt practices issues.

Jean-Luc assists his clients at all levels of criminal risk management through the upstream assessment and avoidance of criminal risks related to their business; and by representing clients, whether as defendants, victims or merely involved parties, at all stages of criminal proceedings, including in the recovery of fraud proceeds through civil actions in the criminal courts. He also provides legal support in the context of international proceedings in relation to, inter alia, international letters rogatory proceedings, international arrest warrants and extraditions.

Jean-Luc also has extensive knowledge in both individual and collective labour law. He advises financial, industrial and commercial sectors on all aspects of the employment relationship, including its termination, as well as on collective labour negotiations and disputes.

Prior to joining Arendt & Medernach, Jean-Luc was a member of the Luxembourg Bar from 2002 to 2007; thereafter, he joined the judiciary as a judge. He sat in criminal chambers for more than 10 years and worked in civil law for 4 years. He returned to the Luxembourg Bar in 2022 to join Arendt & Medernach as a Partner.

Jean-Luc sits on the editorial board of multiple legal journals, such as the Journal des tribunaux Luxembourg and the Revue Pratique de Droit Social. He is also member of the board of the Employment Law Specialists Association in Luxembourg (ELSA) and member of the European Labour Law Network (ELLN).

He has been a lecturer at the University of Luxembourg since 2009.

Since 2010, Jean-Luc has published annual collections of case law in both criminal and labour law, covering two decades of high court case law. He is also the author of textbooks and articles on criminal law, including cybercrime. In the field of labour law, he has published both general reference works and numerous specialised books.

Jean-Luc holds a Master’s in French and German Law from the Université Paris I Panthéon-Sorbonne (France) and an LL.M. from the University of Cologne (Germany).

Languages: English, French, German, Luxembourgish.