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A running list of publisher lawsuits targeting Google’s ad tech practices

DATE POSTED:February 3, 2026

The U.S. Justice Department’s ruling against Google for monopolizing digital advertising markets has opened the door for publishers to seek compensation for claimed lost revenue.

Last April, the court ruled that Google violated U.S. antitrust laws by monopolizing the markets for publisher ad servers – with DoubleClick for Publishers (rebranded to Google Ad Manager in 2018) – and ad exchanges – via AdX – by tying the products together. The trial now moves toward remedies

Several major U.S. publishers have filed lawsuits against Google in New York City, claiming that the tech giant’s dominance over ad servers and exchanges made it difficult for publishers to use other platforms, and kept prices for publisher inventory low. They want to be reimbursed. 

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