474 A U.S. federal judge has ruled Google’s dominance in digital advertising illegal, setting the stage for potential structural remedies that could reshape the industry.In a landmark decision, the U.S. District Court for the Eastern District of Virginia has ruled that Google illegally monopolized key segments of the digital advertising market. Judge Leonie Brinkema found that Google violated Sections 1 and 2 of the Sherman Antitrust Act by willfully acquiring and maintaining monopoly power in the open-web display publisher ad server and ad exchange markets. The court highlighted Google’s practice of tying its publisher ad server (DoubleClick for Publishers) with its ad exchange (AdX), effectively stifling competition and harming publishers and advertisers alike. This ruling marks Google’s second major antitrust loss in less than a year, following a previous judgment concerning its search engine dominance. The Department of Justice, along with 17 state attorneys general, had accused Google of leveraging its control over both the buy and sell sides of the digital advertising ecosystem to entrench its market power.The court’s decision paves the way for potential structural remedies, including the divestiture of Google’s ad tech businesses.Google has announced plans to appeal the decision, maintaining that its tools are competitive and beneficial to the digital advertising market. However, the ruling intensifies regulatory scrutiny on Big Tech, signaling a shift towards more aggressive antitrust enforcement. Experts suggest that the outcome could lead to significant changes in the digital advertising landscape, potentially benefiting competitors and promoting a more open and competitive market. You Might Be Interested In Why Anthropic may rent AI computing power from Meta Spotify’s Audio Ad Overhaul Is Built on Strategy, Not Hype Okara launches AI agents to run end-to-end marketing McKinsey Warns: CMOs Risk Losing Boardroom Relevance Zepto ad revenue jumps 151% as quick commerce turns into retail media The UK’s chatbot move is a warning shot for AI monetisation