US Court Rules Google Not Required to Sell Ad Exchange After Antitrust Loss

A U.S. federal judge has ruled that Google is not required to sell its online advertising exchange, previously known as AdX. The U.S. Department of Justice (DOJ) had sought this divestiture as a remedy after Google lost a long-running antitrust trial in 2025. The penalties imposed on Google following the loss are now expected to be minimal.

The DOJ and a coalition of states argued that Google misused its significant market power in online display advertising to stifle competition. Prosecutors contended that Google had manipulated ad auctions to favor itself. While the court agreed that Google illegally tied publishers to its exchange, it did not find the company violated the law concerning the tools used by advertisers.

Despite the mixed verdict, the DOJ had argued during the remedy phase that forcing Google to sell its ad exchange, which connects ad buyers and sellers, was the most effective way to create a more level playing field. However, this will not occur. Although the ad exchange represents a small portion of Google's overall revenue, mandating its sale could have had significant repercussions across its broader advertising business and would have sent a strong message to other major technology firms facing increased antitrust scrutiny.