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United Kingdom decisions
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Boyle v Govia Thameslink Railway Ltd & Ors [2026] CAT 45 (12 May 2026)
The Competition Appeal Tribunal dismissed David Courtney Boyle’s claim against Govia Thameslink Railway Limited and others, finding no abuse of dominance and no basis for collective proceedings.
Gutmann v Vodafone Ltd and Vodafone Group PLC [2026] CAT 44 (11 May 2026)
The Tribunal certified collective proceedings brought by Mr Justin Gutmann against Vodafone Limited and Vodafone Group PLC, finding a triable issue on alleged abuse of dominance.
Merchant Interchange Fee Umbrella Proceedings [2026] CAT 42 (06 May 2026)
The Competition Appeal Tribunal held that MasterCard’s multilateral interchange fees restricted competition by effect and awarded damages to merchant claimants.
Commercial and Interregional Card Claims I Limited ("CICC I") v Mastercard Incorporated & Others [2026] CAT 39 (29 April 2026)
The Competition Appeals Tribunal found Mastercard’s interchange fee arrangements breached UK competition law and certified collective proceedings for merchants and consumers.
Mr Justin Gutmann v Apple Inc., Apple Distribution International Limited, and Apple Retail UK Limited [2026] CAT 35 (21 April 2026)
The Tribunal certified collective proceedings brought by Mr Justin Gutmann against Apple over alleged anti-competitive iPhone performance throttling and consumer losses.
Dr Liza Lovdahl Gormsen v Meta Platforms, Inc. and Others [2026] CAT 19 (06 March 2026)
The Competition Appeal Tribunal dismissed Dr Liza Lovdahl Gormsen’s application against Meta, finding no sufficiently arguable abuse of dominance and refusing collective proceedings certification.
Commercial and Interregional Card Claims I Limited ("CICC I") v Mastercard Incorporated & Others [2026] CAT 15 (02 March 2026)
The Competition Appeals Tribunal certified collective proceedings brought by CICC I against Mastercard concerning interchange fee arrangements and alleged competition-law infringements.
Ad Tech Collective Action LLP v Alphabet Inc. & Others [2026] CAT 12 (24 February 2026)
The Competition Appeal Tribunal granted certification of collective proceedings against Alphabet and Google entities in an ad tech abuse of dominance claim.
Alex Neill Class Representative Ltd v Sony Interactive Entertainment Europe Ltd; Sony Interactive Entertainment Network Europe Ltd; and Sony Interactive Entertainment UK Ltd [2026] CAT 10 (12 February 2026)
The Competition Appeal Tribunal certified collective proceedings against Sony over alleged abuse of dominance in PlayStation Store digital game and add-on sales.
Vicki Shotbolt Class Representative v Valve Corporation [2026] CAT 4 (26 January 2026)
The Competition Appeals Tribunal certified collective proceedings against Valve Corporation and authorised Vicki Shotbolt as class representative in a dominance-abuse claim.
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