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  • Advice and litigation
  • Criminal law and procedure
  • Environmental law
  • Combatting money-laundering
  • Corporate social responsibility


French, English

Joris Fontaine

Avocat - Associate

As a curious and passionate lawyer, I provide advice and assistance in complex litigation with rigor and determination. My professional practice is nourished by my teaching and research activities, particularly in business criminal law and environmental law, which allows me to offer the firm's clients highly technical services.

Curriculum vitae

  • Admitted to the Luxembourg Bar, 2022
  • Associate, Lutgen + Associés, 2022
  • Lecturer – Urban Planning and Climate Law, University of Milan, 2023 – Corporate Social Responsibility, University Paris-Nanterre, 2022
  • Teaching Assistant – General Criminal Law, Special Criminal Law, Criminal Procedure, University Paris 1 Panthéon-Sorbonne, 2017-2021
  • Master degree in International Criminal Law and Criminal Business Law, University Paris 1 Panthéon-Sorbonne, 2017 – Valedictorian 
  • Master degree, Private and Public Law, University de Strasbourg, 2016
  • Bachelor degree, Private Law, University Jean-Moulin Lyon III, 2015


  • Member of Association Luxembourgeoise de Droit de l’Environnement (ALDE)
  • Member of Global Network for Human Rights and the Environment (GNHRE) 
  • Member of International Association of Penal Law (IAPL)

Recent publications and activities

  • Note sous Cour de cassation, 28 avril 2022, n°60/2022 pénal (faux, possibilité d’un préjudice), Revue pénale luxembourgeoise, n° 10, (à paraître)
  • Powerplant and presumption of urgency. Council of State, 10 February 2022, Diritto processuale amministrativo, 2022, (à paraître)
  • Clarification on the use of plant protection products. Council of State, 26 July 2021, Diritto processuale amministrativo, 2021, n°4, p. 825