DOJ vs. Google: Ad-Tech Antitrust Battle Enters Final Stage with Quick Ruling Expected

The DOJ and Google are in the final stage of their ad-tech antitrust battle, with closing arguments delivered this week and a ruling expected quickly. Judge Leonie Brinkema of the U.S. District Court signalled an intention to issue a ruling soon, potentially before Google can appeal, though observers widely expect Google to seek every available appellate avenue to delay any order.

The DOJ has accused Google of unlawfully monopolising the online ad-tech market, and Brinkema had already determined in April that Google holds monopoly power in the sector. In recent hearings, the judge pressed how swiftly any corrective measures could take effect, emphasising that time is of the essence. Beyond the U.S., Google also faces a €3.5 billion EU fine for breaches of ad-tech antitrust rules, illustrating the broader regulatory pressure targeting its advertising business.

The article notes that any remedy ordered could be difficult to implement and that enforcement could be delayed through lengthy legal challenges. 24 November 2025.