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Observatoire des Actions de Groupe

Csongor Isván Nagy

Csongor István Nagy is professor of law at and the head of the Department of Private International Law at the University of Szeged and research chair at the Center for Social Sciences of the Eötvös Loránd Research Network. He is recurrent visiting professor at the Central European University (Budapest/New York/Vienna) and the Sapientia University of Transylvania (Romania). He is associate member at the Center for Private International Law at the University of Aberdeen. He is admitted to the Budapest Bar, arbitrator at the Court of Arbitration attached to the Hungarian Chamber of Commerce and Industry and member of the Panel of Conciliators and Arbitrators at the International Centre for Settlement of Investment Disputes (ICSID).

Csongor graduated at the Eötvös Loránd University of Sciences (ELTE, dr. jur.) in Budapest, in 2003, where he also earned a Ph.D. in 2009. During his studies he was a member of the István Bibó College of Law and of the Invisible College. He received master (LL.M., 2004) and S.J.D. degrees (2010) from the Central European University (CEU). He pursued graduate studies in Rotterdam, Heidelberg and Ithaca, New York (Cornell University). He had visiting appointments in the Hague (Asser Institute), Munich (twice, Max Planck Institute), Brno (Masarykova University), CEU Business School (Budapest), Hamburg (Max Planck Institute), Edinburgh (University of Edinburgh), London (BIICL), Riga (Riga Graduate School of Law), Bloomington, Indiana (Indiana University), Brisbane, Australia (University of Queensland), Beijing (China-EU School of Law), Taipei, Taiwan (National Chengchi University), Florence (European University Institute) and Rome (LUISS); and was senior fellow at the Center for International Governance Innovation in Canada and Eurojus legal counsel in the European Commission’s Representation in Hungary.

He has more than 210 publications in English, French, German, Hungarian, Romanian and (in translation) in Croatian and Spanish, which have been cited, among others, by the Court of Justice of the European Union and Hungarian courts.


• (2019): Collective actions in Europe: a comparative, economic and transsystemic analysis. Springer Publishing. ISBN: 978-3-030-24221-3
• (2020): The Reception of Collective Actions in Europe: Reconstructing the Mental Process of a Legal Transplantation. In: Journal of Dispute Resolution, no. 2.
• (2015): Le débat sur l’action collective en Europe : ils n’ont rien appris, ni rien oublié? Revue Internationale de Droit Comparé, n. 4. pp. 941-969. [PDF]
• (2015): The European Collective Redress Debate after the European Commission’s Recommendation: One Step Forward, Two Steps Back? In: Maastricht Journal of European and Comparative Law, vol. 22., n. 4., pp. 530-552.
• (2014): Javaslat a csoportper honi szabályozására az új Polgári Perrendtartás kodifikációjának apropóján. In: Magyar Jog, vol. 61, n 4, pp. 203-213. (A proposal for the regulation of class actions in Hungary on the occasion of the codification of the new Code on Civil Procedure)
• (2013): The law and economics of collective redress in Europe: without risk there is no reward! In: Columbia Journal of European Law, vol. 19., n 3., pp. 469-498.
• (2011): A csoportos igényérvényesítés gazdaságtana és lehetőségei a magyar jogban. In: Jogtudományi Közlöny, n 3 (The economics of collective redress and its perspectives in Hungarian law)
• (2010): Magánjogi igények érvényesítése a GVH határozatai alapján. In: Fogyasztóvédelmi Szemle IV. évf. 1. sz. pp. 43-48 (Claims for damages on the basis of the decisions of the Hungarian Competition Office)
• (2010): Csoportos igényérvényesítés összehasonlító jogi modelljei I. Az amerikai class action. In: Külgazdaság Jogi Melléklete vol. LIV, n 9-10, pp. 89-110 (The Comparative Models of Collective Redress I. The US Class Action)
• (2010): A csoportos igényérvényesítés összehasonlító jogi modelljei II. A csoportos igényérvényesítés európai modelljei és az összehasonlító jogi modellek tanulságai. In: Külgazdaság Jogi Melléklete vol. LIV, n 11, pp. 121-152 (The Comparative Models of Collective Redress II. The European Models of Collective Redress and the Lessons of the Comparative Models)


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CPLJ Lecture Series

The CPLJ Lecture Series is part of the Comparative Procedural Law and Justice (CPLJ) project, which brings together more than one hundred academics worldwide. …