The global data privacy litigation landscape is undergoing a rapid transformation, shifting from isolated individual disputes to a primary driver of high-stakes corporate risk through mass claims. Claims alleging non-compliance with privacy laws have evolved into highly complex collective actions that threaten not only corporate balance sheets but core operational models. This escalation is fuelled by a convergence of factors: the extensive interpretation of the GDPR and similar regulatory frameworks, the rise of a specialized ecosystem of litigation funding, and a significant increase in public sensitivity towards data rights.