Google’s antitrust woes keep mounting. This time it’s with OpenX, an independent supply-side focused outfit that has filed a federal antitrust lawsuit against the online advertising giant, accusing it of orchestrating a decade-long campaign to monopolize the digital advertising industry.
The lawsuit against Google was filed earlier this week in the U.S. District Court for the Eastern District of Virginia – the same district as the ongoing ad tech antitrust case where Justice Brinkema ruled in favor of the Justice Department in two of the three charges it first brought against Google in 2024.
The complaint alleges that Google, through a series of acquisitions, namely DoubleClick, and self-preferencing practices, established dominant positions across the ad tech stack — controlling the tools advertisers use to buy ads, the ad exchange that brokers them and the ad server publishers use to sell them.
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