The antitrust trial that proved Google operates an ad tech monopoly has concluded, and the court's behavioral remedies for that monopoly are now unsealed.

The case centered on Google's dominance in the advertising technology stack. At the heart of the dispute were Google's contracts tying its AdX ad exchange to its DoubleClick for Publishers (DFP) ad server — arrangements the court found to be anticompetitive.

For publishers, the remedies represent a partial victory at best. The AdExchanger analysis characterizes them as "too little, too late," while noting that publishers "will take what they can get." That framing captures the mood across the publishing industry: relief that the court acted at all, tempered by skepticism that behavioral remedies can meaningfully loosen Google's grip on the ad tech supply chain.

Behavioral remedies — as opposed to structural remedies such as forced divestitures — typically require a company to change specific business practices rather than break up its operations. In Google's case, the contracts linking AdX and DFP were a central focus of the government's case. Critics have long argued these tie-ups made it difficult for rival exchanges and ad servers to compete for publisher inventory.

The unsealing of the remedies marks the latest step in a legal battle that has drawn close attention from publishers, advertisers, and rival ad tech firms. Industry observers have followed the proceedings closely because the outcome could reshape how publishers sell their programmatic inventory and how much of each advertising dollar flows to them versus intermediaries.

Publishers have complained for years that Google's control of both the dominant ad server and the leading exchange gave it outsized power to capture value in the programmatic ecosystem. The court's finding that Google operates a monopoly validated those concerns. Whether the behavioral remedies will translate into tangible revenue gains for publishers remains an open question.

For marketing professionals, the practical implications are worth monitoring. Changes to how AdX and DFP interact could affect bidding dynamics, header bidding strategies, and the competitive positioning of alternative exchanges and supply-side platforms. Advertisers and agencies may also see shifts in auction transparency and access to premium inventory.

The full details of the final remedies are available in AdExchanger's coverage, which recaps the specifics of what the court has ordered Google to change.