Google returned to a US federal courtroom on Monday in a high-stakes legal showdown that could reshape the future of digital advertising.
US government lawyers pressed a judge to order the breakup of the tech giant’s advertising technology business, arguing that Google’s dominance constitutes an illegal monopoly harmful to publishers, advertisers, and consumers.
This latest case zeroes in on Google’s ad tech “stack,” the system of tools that publishers use to sell online advertising space and that advertisers rely on to buy it.
The Justice Department contends that Google controls too many layers of this system, giving it an unfair advantage to set terms and stifle competition.
The government’s demand is bold: it wants Google to spin off its ad publisher tools and exchange operations, effectively dismantling the company’s integrated advertising machine.
Prosecutors also propose banning Google from running any ad exchange for the next decade.
The trial follows an earlier landmark ruling this year by Federal Judge Leonie Brinkema, who found that Google illegally maintained a monopoly in the ad tech sector.
Monday’s hearings now mark the remedies phase, which will determine how to curb the company’s power and restore fairness to the market.
Google has fought back strongly, arguing that the proposed remedies are extreme, impractical, and harmful.
“DOJ’s case misunderstands how digital advertising works and ignores how competition has grown with new players entering the market,” said Lee-Anne Mulholland, Google’s Vice President of Regulatory Affairs.
The company insists that forcing divestitures would damage small businesses and disrupt the broader digital economy.
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Meanwhile, regulators in Europe have also stepped up pressure. Earlier this month, the European Commission fined Google €2.95 billion (\$3.47 billion) over its ad tech dominance.
Critics, however, accused Brussels of going too soft, as it opted for behavioral changes instead of demanding a full breakup.
The US case represents the most aggressive attempt yet to rein in Google’s advertising clout.
It comes amid a broader bipartisan push against Big Tech monopolies, with five major antitrust cases currently underway in the United States against companies including Apple, Amazon, and Meta.
The stakes are enormous. Google’s ad tech division is one of its most profitable arms, generating billions in revenue that underpin its broader ecosystem.
A forced breakup would mark one of the most significant corporate restructurings in US history since the government’s action against AT\&T in the 1980s.
Judge Brinkema has signaled that she will weigh the outcome of a related case involving Google’s search dominance when deciding her path forward.
Earlier this month, another court rejected the DOJ’s request to force Google to divest its Chrome browser, a ruling widely seen as a victory for the company. Instead, Google was required to share more data with competitors.
For now, the future of Google’s ad business hangs in the balance. Closing arguments in the ad tech case are expected in the coming weeks, after which Brinkema will decide whether the world’s most powerful advertising company must finally be broken apart.
Punch
