Google loses the ad-tech case and a damages window opens

After four years of litigation, Google lost the U.S. ad-tech antitrust case. What's New in Publishing reported that the court found Google's AdX exchange hid a 20 cent fee inside its $30 billion ad tech operation for more than a decade, while rivals charged 10 cents. Judge Leonie Brinkema's ruling invites publishers to claim damages, and the first major publisher damages trial, Gannett and Daily Mail against Google, is listed for 5 April 2027. The same newsletter flagged a stack of related publisher economics: Future plc's search traffic collapse, GEO sold as a premium service to 30 clients, and new UK subscription rules carrying fines of £300,000 or 10% of global turnover. The Monopoly Report's Alan Chapell tied the case to remedies, arguing that the underlying problem is that the ad tech market was allowed to operate in a regulatory vacuum for two decades.

The crux

The case has stopped being about Google's conduct and become about money flowing back to publishers, with the damages mechanism set by the court rather than negotiated.

Sell-side read

A favourable damages framework gives publishers a second revenue line that does not depend on traffic, and it raises the value of clean, documented proof of what an exchange took on their inventory.

Watch

How the remedy phase shapes the damages mechanism, and whether more publishers file before the April 2027 trial calendar fills.