It looks like Google is being sued again, this time by advertising exchange PubMatic. According to a report from Bloomberg, PubMatic has filed a lawsuit against Google, accusing the tech giant of illegally monopolizing the ad technology market. PubMatic is seeking billions of dollars in damages.
“It felt like for many years no matter how well we innovated there was a barrier holding us back,” PubMatic CEO Rajeev Goel told Bloomberg. “That barrier wasn’t the limits of our technology. It was Google’s illegal monopoly. Every time we adapted or innovated, Google found new ways to stack the deck.”
The lawsuit marks the second time that an advertising exchange has sued Google since a federal judge ruled in April that the search giant had illegally monopolized ad exchanges and ad servers. The judge has set another trial for this month to determine whether Google should be forced to sell off parts of its advertising business due to its illegal conduct.
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PubMatic is a leading digital advertising technology company that provides a cloud infrastructure platform for the real-time programmatic buying and selling of digital ads. Founded in 2006 by Rajeev Goel, Amar Goel, Anand Das, and Mukul Kumar, the company was created to give publishers greater control over how their ad inventory is sold and monetized.
Headquartered in Redwood City, California, with a major engineering hub in Pune, India, PubMatic operates a proprietary sell-side platform (SSP) that supports multiple channels including display, mobile, video, and connected TV. Its tech suite includes tools like OpenWrap for header bidding, Connect for analytics, and Convert for commerce media. By running its own data centers instead of relying on cloud providers, PubMatic emphasizes efficiency, scalability, and performance as competitive advantages.
Since going public on Nasdaq in December 2020 under the ticker PUBM, PubMatic has expanded into a global ad-tech player. By 2024, the company was managing more than 2 trillion advertiser bids and 840 billion ad impressions daily while supporting nearly 2,000 direct publishers worldwide. Recent moves, including a partnership with GroupM in Latin America, reflect its strategy to expand globally while promoting transparency and efficiency across the programmatic advertising market. PubMatic’s focus on adapting to shifting privacy standards and supporting identity solutions has helped position it as a key force in shaping the future of digital advertising on the open internet.
The lawsuit from PubMatic against Google signals escalating legal and regulatory challenges for the tech giant’s dominance in the digital advertising market. Accusations of illegal monopolization add to the mounting scrutiny Google faces from courts and regulators worldwide.
If the courts find Google guilty and enforce measures such as divesting parts of its ad business, it could disrupt Google’s extensive control over the ad tech ecosystem and significantly impact its revenue streams. This legal battle also highlights the growing frustration among competitors who feel stifled by Google’s market power, potentially encouraging more industry players to push back against monopolistic practices.

