Google Pushes Back as Court Weighs Potential Ad Tech Breakup

Alphabet’s Google is preparing for a critical moment in its long-running legal battle with the U.S. Department of Justice, as a federal court has moved the company’s final plea to avoid a breakup of its advertising technology business to November 21. The rescheduled date comes from U.S. District Court Judge Leonie Brinkema in Alexandria, Virginia, who previously planned to hear closing arguments on Wednesday.

This shift in timing highlights the growing significance of the case, which centers on Google’s dominance in the digital advertising ecosystem. In April, Judge Brinkema ruled that Google maintains two unlawful monopolies in the ad tech sector, a decision that could reshape the online advertising landscape. The judge is now evaluating what measures are needed to restore fair competition, with one potential remedy being the structural separation of parts of Google’s ad business.

The Department of Justice, along with a coalition of states, is urging the court to require Google to sell its key advertising exchange platform, AdX. This marketplace is used by online publishers to sell digital ad space, and Google reportedly earns a 20% fee on transactions that take place in split-second auctions when users load websites. Regulators argue that Google’s control over multiple layers of the ad tech supply chain gives it an unfair advantage over rivals and limits choices for publishers and advertisers.

Google continues to deny these allegations, asserting that its tools help businesses grow and that breaking up its platforms would harm the broader digital economy. The November hearing will be pivotal, as it may determine whether Google can maintain its integrated ad tech model or whether it will face a historic breakup order.

As the tech industry watches closely, the outcome of this case could set a major precedent for antitrust enforcement and digital advertising regulation in the United States.