- Federal judge rules Google’s digital ad network is an illegal monopoly, marking the second major antitrust defeat for the company in less than a year.
- Court finds Google abused its dominance in ad tech tools and exchanges, harming competition and limiting options for online publishers.
- Penalty phase expected to begin late 2025, with potential outcomes including the forced sale of parts of Google’s advertising business.
Google’s powerful digital advertising empire has been declared an illegal monopoly by a federal judge, marking the second time in less than a year the tech giant has faced such a ruling. The decision, handed down by U.S. District Judge Leonie Brinkema in Virginia, targets Google’s dominant ad tech ecosystem, which has been a core revenue generator for the $1.8 trillion company. This follows a previous ruling in 2023 that found Google’s search engine was unlawfully suppressing competition.
The Department of Justice brought the case against Google’s advertising technology stack, alleging the company abused its control over the tools that publishers and advertisers use, as well as the ad exchanges that link them. Brinkema’s 115-page ruling sided with the DOJ, stating that Google had unlawfully tied together its ad exchange and publisher ad server to entrench its dominance, restricting competition and harming online publishers dependent on ad revenue. However, the court did not find fault with Google’s past acquisitions of DoubleClick or Admeld.
The decision sets the stage for a penalty phase likely to begin in late 2025, during which the court will consider possible remedies, including the forced divestiture of parts of Google’s ad business. A similar process is already underway in Washington, D.C., related to the company’s search monopoly, where the DOJ is advocating for significant structural changes, including the sale of the Chrome browser.
As Google prepares its appeals, the company is also facing legal challenges in other areas, including a recent federal jury verdict that found its Android app store is also operating as an illegal monopoly. Despite the mounting legal pressure, Google maintains that its ad tools are competitive and effective, pointing to rivals like Meta, Amazon, and Microsoft as evidence of a dynamic digital advertising landscape.
The DOJ’s focus on advertising underscores its broader strategy to rein in Big Tech’s influence over digital markets. With testimony from major news publishers like Gannett and News Corp. highlighting their reliance on Google’s ad infrastructure, the case could have far-reaching implications for online media and digital commerce. As the legal battles play out, the outcome could reshape how ads are bought and sold online and how publishers fund their content.
