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Mastercard loses appeal to overturn privilege-waiver ruling in Australian antitrust case

By Saloni Sinha ( March 30, 2026, 06:04 GMT | Insight) -- Mastercard has lost an appeal seeking to overturn a privilege-waiver ruling in its long-running Australian antitrust dispute with the competition regulator, after a court dismissed the challenge and ordered the company to pay the watchdog’s costs. In a Federal Court hearing on Monday, a three-judge panel comprising Judges Shaun McElwaine, Nye Perram and Michael Wheelahan dismissed Mastercard’s appeal challenging an August 2025 court order requiring it to hand over unredacted versions of certain documents.Mastercard has lost an appeal seeking to overturn a privilege-waiver ruling in its long-running Australian antitrust dispute with the competition regulator, after a court dismissed the challenge and ordered the company to pay the watchdog’s costs....

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