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United Kingdom certificationaggregateclass_actions

Mastercard Inc v Merricks

[2020] UKSC 51
JurisdictionUnited Kingdom
CourtUK Supreme Court
Year2020
StatusBinding authority

Key Principle

Certification of collective proceedings under the Competition Act 1998 s.47B requires only that the claims are eligible and suitable for collective treatment; the Tribunal should not conduct a mini-trial on the merits at the certification stage.

Area of Law

class-action

Related Cases

Walter Hugh Merricks CBE v Mastercard Inc [2021] CAT 28
Maxamcorp International S.L. v Eurotel LLC [2026] EWHC 666
Celestial Aviation Services Ltd v UniCredit Bank GmbH [2026] UKSC 10

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