£14bn Mastercard group action claim to proceed following historic Supreme Court ruling

broken scales

The Supreme Court has today (11 December) dismissed Mastercard’s efforts to thwart former financial ombudsman Walter Merricks’ £14bn group action claim against it in what is a landmark decision for the future of collective actions against companies in the UK courts.

The decision from the Supreme Court upholds a previous ruling from the Court of Appeal and sets aside the original judgment of the Competition Appeal Tribunal (CAT) which would have stymied the group action claim. 

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