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Observatoire des Actions de Groupe

Judith Quidu-Tudela

Judith Quidu-Tudela has a passion for collective actions and graduated from a master’s degree in economic law, where she was valedictorian in both her first and second years. She is now in the second year of a doctoral contract, and is working, under the supervision of Professor Daniel Mainguy and Mr. Jean-Louis Respaud, on a contribution to the elaboration of a general theory of collective proceedings.


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On 8 June 2022, 14 months after the claims were heard, the Competition Appeal Tribunal decided to grant a Collective Proceedings Order (CPO) to …

British Collective actions in the FX cartel case: The Competition Appeal Tribunal “opts-in”   In 2019, two competing opt-out claims were brought …

On 11 May 2022, the Paris Court of Justice (Tribunal Judiciaire) ruled against the group action brought by the association RESIST against …