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specialises in civil and commercial litigation, as well as in criminal law.

Mathieu has particular expertise in business law litigation, criminal law, real estate and liability matters. Other areas of interest include proceedings in front of the Cour de Cassation.

Mathieu’s academic studies have an international outlook. After studying Law at the University of Lille 2, he graduated in partnership with the University of Bayreuth. He holds a Master of Laws, with a focus on European Economic Law, from the Europa-Institut of Saarbrucken, Germany.

Mathieu speaks French, English and German.


Luxembourg Arbitration Association (LAA)
Association Luxembourgeoise des Avocats Pénalistes (ALAP)

Mathieu also participates on a voluntary basis at the Clinique de droit de la consommation (Consumer Law Clinic), established by the University of Luxembourg.


La répétibilité des honoraires d’avocats, observations sous Tribunal d’arrondissement de Luxembourg, 5e ch., 13 avril 2016, in Journal des tribunaux Luxembourg, n° 6/2017, p. 190

Abstract cases related to the United Nations Convention on Contracts for the International Sales of Good (CISG)  in Case Law on Uncitral Texts, drafted with Prof. Claude Witz: