Overview

• PubMatic filed its lawsuit Monday in the Eastern District of Virginia seeking billions of dollars in damages and alleging Google illegally monopolized ad exchanges and publisher ad servers.
• The case follows an April ruling by Judge Leonie Brinkema that found Google unlawfully maintained monopolies in those markets, with a remedies trial set for this month to determine structural fixes.
• PubMatic’s complaint and CEO Rajeev Goel assert Google’s conduct suppressed competition, limited publisher monetization, increased advertiser costs, and hindered innovation across the open web.
• The Justice Department has proposed a structural remedy that includes real‑time data access for rivals, open‑sourcing auction logic, and ultimately divesting AdX and DFP, while Google argues for interoperability commitments monitored for three years instead of a breakup.
• This is the second recent ad‑exchange suit after OpenX’s August filing in the same court, and Google also faces a states‑led case and numerous publisher and advertiser actions pending in New York, with a transfer request for OpenX still unresolved.