By Raphaël MORENON
4 April 2025
Bank charges unduly deducted from thousands of accounts, a smartphone model with a hidden design flaw affecting an entire series, an unlawful clause systematically inserted into an internet service provider's subscription contracts... There are many examples of disputes in which a large number of consumers suffer similar damage at the hands of the same professional. However, taking legal action alone can be costly, time-consuming and discouraging, especially if the individual loss is small. It was to overcome this obstacle that group action was introduced in France, initially specifically in the field of consumer law by the so-called "Hamon" law of 17 March 2014. This article focuses on this "consumer" group action, the pioneer in the field. We will look at who can bring it, against which professionals, for what types of breaches and losses, and what are the broad outlines of its...
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