Mastercard, Visa and Revolut -v- Payment Systems Regulator
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Neutral citation number: [2026] EWHC 64 (Admin)
In the High Court of Justice
King’s Bench Division
Administrative Court
15 January 2026
Before:
MR JUSTICE CAVANAGH
Between:
Claim No. AC-2025-LON-000751
THE KING
on the application of
MASTERCARD EUROPE SA
(Claimant)
-v-
PAYMENT SYSTEMS REGULATOR
(Defendant)
and
VISA EUROPE LIMITED
(Interested party)
———-
Claim No. AC-2025-LON-000727
THE KING
on the application of
VISA EUROPE LIMITED
(Claimant)
-v-
PAYMENT SYSTEMS REGULATOR
(Defendant)
and
MASTERCARD EUROPE SA
(Interested party)
———-
Claim No. AC-2025-LON-000759
THE KING
on the application of
REVOLUT BANK UAB
(Claimant)
-v-
PAYMENT SYSTEMS REGULATOR
(Defendant)
and
(1) VISA EUROPE LIMITED
(2) MASTERCARD EUROPE SA
(Interested parties)