Mariana Lunca


Avocat à la Cour


  • Administrative law / public law

  • Public and private international law

  • European law

  • Human rights

  • Litigation


Mariana LUNCA has been admitted to the Luxembourg Bar since December 2013. After completing her legal internship in a litigation law firm in Luxembourg, she practiced law in partnerships and individually before joining the law firm in January 2021. She specializes in public and private international law as well as administrative law.

Holder of a doctorate in International Law and International Relations, she previously participated in the research activities of the Center for International Law of the University of Lyon 3.
She also completed an internship with the Economic Commission for Europe at the United Nations headquarters in Geneva.

She was also a lecturer at the Faculty of Law of the University of Lyon 3, in particular in public and private international law, as well as in constitutional law.


  • 2003 License in General Law, University of Savoie

  • 2004 Masters in International Law, University Jean Moulin-Lyon 3

  • 2005 Master 2 Research in International Public and Maritime Law, University Jean Moulin-Lyon 3

  • 2014 Doctorate in International Law and International Relations (Thesis subject: "Relations between the European Union and the UN. Essay on the relational dynamics of the two institutions", under the supervision of Professor Stéphane DOUMBE-BILLE, mention “Very honorable with unanimous congratulations from the jury”, Université Jean Moulin-Lyon 3


  • French, English, Russian, German, Romanian


  • « Les relations extérieures des organisations internationales » in SMOLINSKA (A. M.), BOUTROS (M.), LOZANORIOS (F.) (dir.), Droit international des relations diplomatiques et consulaires, Bruylant, 2015 

  • « L’Union européenne et l’ONU : complémentarité ou concurrence ? », in DOUMBÉ-BILLÉ (S.) (dir.), La régionalisation du droit international, Bruylant, 2012 

  • « Le régionalisme, vecteur d’internationalisation de nouveaux droits de l’homme », in DOUMBÉ-BILLÉ (S.) (dir.), Nouveaux droits de l’homme et internationalisation du droit, Bruylant, avril 2012 

  • « La confrontation des intérêts des Etats en matière d’approvisionnement énergétique. Un regard à travers la notion de nécessité », in DOUMBÉ-BILLÉ (S.) (dir.), Droit international et défis énergétiques, Larcier, 2010. 

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