A US judge says Google must face advertisers' antitrust lawsuit, but dismisses some claims, including those focused on ad-buying tools used by large advertisers
Context & Ripple Effects
The ruling extends a broader dispute over Google's advertising business: Google had previously sought to dismiss a DOJ case alleging abuse of ad dominance, while a separate state-led case was allowed to proceed against Google even as its alleged Meta “Jedi Blue” collusion theory was dismissed.
This advertiser case follows the same mixed procedural pattern as the state ad-tech case that survived after a related collusion claim was dismissed: courts can preserve core competition allegations while narrowing the theories that will be litigated.
First-order effects
- Google must continue defending advertisers' antitrust claims, rather than ending the case at the pleading stage.
- Advertisers retain a route to challenge Google's ad-business conduct, but claims centered on ad-buying tools used by large advertisers are no longer part of this suit.
Second-order effects
- The narrowed complaint concentrates the parties' litigation resources on the claims that survived, while reducing the immediate scope of Google's exposure from the dismissed theories.
- The decision adds to the pressure created by the separate DOJ challenge to Google's alleged ad dominance, making ad-tech legal strategy a continuing operational issue for Google and its advertising customers.
Third-order effects
- If courts continue to allow core ad-tech claims to advance while pruning peripheral theories, the industry may face more focused tests of how advertising-market power is defined and exercised.
- Parallel private and government cases can make ad-tech governance a durable strategic concern even before any single case establishes liability or a remedy.
The trend: Google's advertising stack is becoming the subject of layered, narrower antitrust challenges that test specific parts of market power rather than a single all-encompassing theory.