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Google Search Advertising Antitrust Collective Action in the UK

Google · Search advertising, mobile operating systems, and app distribution · Ongoing Litigation

About this case

The proposed opt-out collective action alleges that Google overcharged UK businesses for online advertising and abused dominance involving mobile operating systems, app distribution, and search advertising. The Competition Appeal Tribunal allowed the claim to proceed toward a later merits trial after rejecting Google's attempt to stop it; the ruling did not determine that Google violated the law.

Case overview

Defendant company
Google
Product or service
Search advertising, mobile operating systems, and app distribution
Case name
Or Brook Class Representative Limited v Google
Court case number
1720/7/7/25
Case status
Ongoing Litigation
Lawsuit type
Antitrust
Reported harm
Competition Pricing

Participation information

Automatic inclusion and opt-out process

Eligible U.K. businesses are automatically included in the collective proceedings unless they opt out.

Type
Other
Reported proof requirement
No

Settlement Claim

The certified opt-out class concerns advertisers and UK businesses alleging losses from Google's conduct involving mobile operating systems, app distribution, general search, and search advertising. Eligible businesses are included automatically unless they opt out.

No settlement claim form or filing deadline has been established. The proceedings were certified on an opt-out basis, so eligible class members do not need to file a claim to participate unless they choose to opt out under subsequent Tribunal directions.

Type
Settlement Claim
Status
No action required
Reported proof requirement
Unclear

Opt-out collective proceedings

The proceedings cover approximately 880,000 British businesses on an opt-out basis.

Covered businesses are automatically included unless they choose to opt out; the article does not provide opt-out instructions.

Type
Other
Status
No action required
Reported proof requirement
No

Settlement Claim

UK-domiciled organisations that purchased Google search advertising, directly or through a media agency, between 2011-01-01 and 2025-04-15 are included in the certified opt-out class, subject to the Tribunal's class definition.

No claim form or sign-up is currently required. Eligible class members are automatically included unless they opt out. A claims-validation process may be introduced later if damages or a settlement is obtained.

Type
Settlement Claim
Status
No action required
Payout
No settlement or payout amount has been verified. The opt-out claim seeks compensation for eligible class members; if damages or a settlement are obtained, a later claims-validation process is expected to determine individual payments.
Reported proof requirement
No
Settlement information

Settlement Claim

UK-domiciled organisations that purchased Google search advertising during the relevant claim period—identified on the official claim site as 2011-01-01 through 2025-04-15—are potentially covered. The claim concerns alleged overcharging and anti-competitive conduct involving Google Search advertising, general search, mobile operating systems, and app distribution.

No claim form or sign-up is currently required. The proceedings were certified on an opt-out basis, so qualifying class members are automatically included unless they later opt out. Further formal notices and any opt-out process are to follow.

Type
Settlement Claim
Status
No action required
Payout
This is ongoing opt-out litigation, not a completed settlement. Eligible class members are automatically included and may later seek their share of any damages or settlement if the claim succeeds; recovery is not guaranteed, and a claims-validation process is expected to be developed later.
Reported proof requirement
No

Sources