Data Backs £14B Mastercard Class Suit, Consumer Rep Says

Law360, London (May 14, 2020, 5:41 PM BST) -- A potential £14 billion ($17.2 billion) consumer lawsuit against Mastercard over its merchant fees should go ahead as a class action, the would-be group told the U.K.'s top court Thursday, saying enough data is available to back up the scope of the claim.

Lawyers representing Walter Merricks, the former head of the Financial Ombudsman Service seeking to sue Mastercard Inc. on behalf of 46 million consumers in the U.K.'s largest ever class action, told the Supreme Court there was a "credible and plausible" methodology to estimate the loss suffered.

Paul Harris QC, representing Merricks, argued the Competition Appeal Tribunal, a specialist...

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