A federal judge has turned down the Department of Justice’s petition to compel Google to divest its advertising exchange platform, AdX, thus allowing the tech giant to maintain a pivotal component of its advertising technology operations. Judge Leonie Brinkema refused to mandate the sale of AdX while endorsing most of the suggested limitations on Google’s business practices. This decision arrives in the wake of a 2025 verdict that concluded Google had unlawfully sustained monopolies within the realms of publisher ad servers and advertising exchanges.
The Justice Department, along with multiple US states, contended that Google’s previous actions warranted the relinquishment of AdX control. According to their argument, the company’s historical conduct justified the removal of its hold over this platform. On the other hand, Google resisted the proposed divestiture, arguing that the separation of AdX would pose significant technical challenges and potentially lead to disruptions for its clientele.
This ruling marks another hurdle for US antitrust officials who have been striving to dismantle major technology conglomerates. Similar proceedings against other leading tech corporations have also fallen short of achieving enforced asset divestitures. The outcome of this case highlights the ongoing challenges faced by regulatory bodies in their attempts to limit the dominance of large tech firms through the mechanism of asset sales.
By allowing Google to retain its advertising exchange, the decision simultaneously imposes behavioral regulations aimed at mitigating competition-related concerns and the company’s interactions with publishers. These measures are intended to address issues stemming from Google’s expansive role in the digital advertising ecosystem, yet they stop short of the structural changes some regulators had hoped to implement.