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- Sep 2, 202690% CONFIDENCEfrom the source
Judge Brinkema Spares Google an AdX Breakup in Ad Tech Antitrust Case
- On 2 September 2026 Judge Leonie M. Brinkema of the Eastern District of Virginia rejected the plaintiffs' structural remedies: divestiture of AdX, open-sourcing of DFP's final auction logic and the contingent divestiture of DFP Remainder[3]
- She accepted most of the parties' proposed behavioral remedies as modified by the court, and ordered the sides to file one jointly proposed Final Judgment within 30 days[3]
- The opinion calls structural remedies "neither realistic nor needed" and says the case for divestiture "boils down to a lack of trust that Google will comply with an Order from this Court and an unrealistic desire for certainty"[4]
- Google must build an API letting Prebid solicit real-time AdX bids and connect DFP to Prebid, operating in a "functionally equivalent manner" to how DFP works with AdX[4]
- Buy-side remedies apply to AdWords but not DV360, which the court found was not tied to the unlawful conduct[2][4]
- A third-party Monitor, chosen from a slate of three, and a Technical Committee will oversee compliance; the Final Judgment runs 6 years (the plaintiffs asked for 15), can be extended, takes effect 60 days after entry and applies worldwide[4]
- The liability finding stands: the court had ruled that Google violated Sections 1 and 2 of the Sherman Act by monopolizing the publisher ad server and ad exchange markets and tying DFP to AdX[4], and Google says it will appeal that ruling[6]
- Google's Lee-Anne Mulholland said the company was "very pleased the Court rejected the DOJ's proposal to break apart tools that help small businesses"; the DOJ said it was "pleased that the court ordered substantial relief" and is evaluating next steps[5]
- The opinion was filed under seal for 14 days and unsealed on 16 September 2026[4]; Google's shares were up 0.6 percent after the ruling[6]
- PubMatic said the court's focus on behavioral remedies "will likely provide a more expeditious path" to address the harm[1]
- Digiday reports Google has 12 months to open AdX to rival ad servers and 12 to 15 months to connect AdX and DFP to Prebid[2]
References 689% CONFIDENCE
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]90%adexchanger.com/antitrust/google-wont-have-to-break-up-its-ad-tech-business-judge-brinkema-rulesadexchanger.com· Posted Sep 23, 2026· Starts Sep 2, 2026 ✓· 18% of score
The court's order (ECF 1857) reads "Signed by District Judge Leonie M. Brinkema on 9/2/2026" and was entered on the docket 09/02/2026.
- [2]80%Google's ad tech remedies decoded: what changes, what doesn't and what will take yearsdigiday.com· Published Sep 17, 2026· 17% of score
Digiday's read of the unsealed opinion: Prebid access to AdX real-time bids, DV360 left out, quarterly Monitor reports, 12 to 15 months to build the integrations.
- [3]98%Order - #1857 in United States v. Google LLC (E.D. Va., 1:23-cv-00108)courtlistener.com· Published Sep 2, 2026· 16% of score
The court's own order, signed by Judge Leonie M. Brinkema on 9/2/2026: rejects divestiture of AdX, open-sourcing of DFP's final auction logic and the contingent DFP Remainder divestiture, accepts most behavioral remedies, and orders one jointly proposed Final Judgment within 30 days.[1]
- [4]97%Memorandum Opinion - #1858 in United States v. Google LLC (E.D. Va., 1:23-cv-00108)courtlistener.com· Published Sep 2, 2026· 16% of score
The 106-page remedies opinion signed 9/2/2026, filed under seal and unsealed on 9/16/2026 per ECF 1860; states the reasoning, the Prebid interoperability, AdWords, Monitor and Technical Committee remedies, the 6-year term, the 60-day effective date and the global reach.[1]
- [5]85%Judge rules Google does not have to break up ad tech businessthehill.com· Published Sep 2, 2026· 16% of score
The Hill's same-day report carries Google's statement (Lee-Anne Mulholland) and the DOJ spokesperson's statement on the ruling.
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