Antitrust Case Briefing · United States v. Google LLC, No. 1:20-cv-03010 (D.D.C.)

The Google search ads antitrust case, explained for advertisers.

If your business bought Google search ads since 2016, this page is for you. It covers how the case came about, what the court decided about prices, what it left open, where the appeal stands, and how advertisers are pursuing claims.

By Turnpage AI Intelligence · Published October 13, 2026

Where the case stands — as of October 13, 2026

The court found Google liable on August 5, 2024 and entered its final judgment on December 5, 2025. Google's appeal is fully briefed in the D.C. Circuit, with no argument date set. In the separate ad tech case, the court ordered conduct remedies on September 2, 2026 and is settling the final judgment. Advertisers started filing individual arbitration demands in April 2026. No award has been made public.

The short version

Here's the whole story in a few sentences. A federal court found that Google is a monopolist in search text ads and used that position to raise what advertisers paid, through auction changes it rolled out quietly. The court didn't say how much anyone overpaid. Google is appealing. And an advertiser who wants money back has to prove its own damages in individual arbitration under Google's terms.

The current figures and dates are in the status box above.

The market

Every time someone searches on Google, an auction runs in the background to decide which text ads appear at the top of the page. When a business buys a Google search ad, that's what it's buying: a general search text ad.

It's an enormous market. Advertisers spent more than $150 billion on general search engine ads in 2021, and the court found that 88% of the money spent on text ads went to Google. (The figures are on pages 1 and 66 of the court's opinion.)

The case

In October 2020 the Department of Justice and a group of states sued Google under the Sherman Act, the main federal antitrust law. Their argument: Google had locked up its place as the default search engine on phones and browsers, through deals with Apple, Samsung and others, and used that position to raise ad prices.

After a ten-week trial in late 2023, Judge Amit P. Mehta agreed. On August 5, 2024 he ruled that Google is a monopolist in general search and in general search text ads, that it kept that position through its default deals, and that it used it to raise the price of text ads. In the court's words: "Google is a monopolist, and it has acted as one to maintain its monopoly."

The remedies came next. A remedies opinion followed on September 2, 2025 and a final judgment on December 5, 2025. The judgment bans exclusive default deals, makes Google share certain search data with qualified competitors and, in a section that matters to advertisers, makes Google report changes to its text ad auction and disclose them publicly or explain why not.

Google appealed in January 2026 and the government cross-appealed on the remedies. The appeal is fully briefed. No argument date has been set.

What the court found about prices

This is the part that matters most if you bought the ads.

Google's own records describe three auction "knobs" it turned to raise prices, a program it called "intentional pricing". The court walked through each of them on pages 83 to 91 of the opinion.

Now here's where it gets interesting. Google tested how much advertisers would absorb, then rolled the changes out quietly. Its own research found that when prices went up, advertisers blamed themselves, their competitors or the season 85% of the time. Not Google.

The court's conclusion: Google "has profitably raised prices substantially above the competitive level", and did it "through barely perceptible and rarely announced tweaks to its ad auctions". At trial, Google's head of ads had put it more simply: "we tend not to tell advertisers about pricing changes" (Bloomberg, September 18, 2023).

What the court did not decide

Two things, and both matter.

First, the court never put a number on the overcharge. The government asked for changes to Google's conduct, not money, so the opinion finds that prices were raised above the competitive level without saying by how much. The percentages in the record are the sizes of individual price changes, not a finding of how far prices sat above a competitive level. In other words, each advertiser has to prove its own overcharge.

Second, the ruling covers general search text ads only. The court found no monopoly in the broader search advertising market that includes Shopping ads, and it says nothing about YouTube or display spend.

And nothing is final until the D.C. Circuit rules. A reversal on liability would pull the foundation out from under every advertiser claim. An affirmance would make the liability finding permanent, but it still wouldn't add a damages number.

The ad tech case

There's a second case, and it's easy to confuse the two.

On April 17, 2025, Judge Leonie M. Brinkema in Virginia ruled that Google monopolized the publisher ad server and ad exchange markets for open-web display advertising, and unlawfully tied the two together (opinion). That case is about the plumbing behind display ads, the banners and boxes on other people's websites, not search.

For advertisers, the key finding is a negative one: the court found that the plaintiffs hadn't proven an advertiser-side market. So display claims rest on a different and weaker theory than search text ad claims.

On September 2, 2026 the court rejected a breakup and ordered conduct remedies for six years (order; opinion, unsealed September 16; Department of Justice release). Google says it plans to appeal.

Where advertiser claims go

Not to court. Google's U.S. Advertising Program Terms send every dispute to individual arbitration before the American Arbitration Association, and waive class actions. The only way out was to opt out within 30 days of first accepting a version of the terms that included arbitration, which for most accounts was back in 2017.

The process starts with a written notice of dispute to Google. Then a 60-day wait. Only after that can a demand be filed.

The terms changed on July 1, 2026 (Google's notice). When 25 or more similar demands are filed with the help of one firm or coordinated group, the AAA now handles them in batches of 100, with one arbitrator per batch, and each side pays its own lawyers' fees and costs unless a claim is found to be frivolous. Under the old terms, Google covered the AAA fees on claims of $75,000 or less and capped an advertiser's share at $200 on claims up to $300,000. Above that, the AAA's fee schedule applies. Awards are confidential, and one advertiser's award doesn't bind the next.

What can an advertiser recover? Federal law lets a business injured by an antitrust violation recover three times its damages, plus costs and a reasonable attorney's fee (15 U.S.C. § 15). Claims usually have to be brought within four years (§ 15b). But that clock stops while a government antitrust case about the same conduct is pending, and for a year afterward (§ 16(i)). The government sued in October 2020, which is why the firms filing these claims count spend from 2016. How far back your claim reaches is a question for your lawyer.

Advertisers began filing demands in April 2026. Bloomberg reported an estimate of $218 billion or more in potential claims across search and display, built by an economist retained by the lead filing firm, and that firm's statement that comparable mass arbitrations took 12 to 24 months from filing to resolution. Google called the claims "unfounded" and, in its securities filings, says it can't estimate a possible loss.

What has to happen next

Three things, in roughly this order.

No timetable has been set for any of it, and arbitrators may wait for the appeal, since the claims lean on the ruling.

One practical point. Since June 1, 2026, Google Ads keeps daily and weekly reporting data for 37 months and monthly data for 11 years (Google Ads Help). Spend from 2016 to 2022 may now exist only in your invoices and your agency's records. If you're thinking about a claim, preserve those now.

If you advertised on Google search

If your business bought Google search text ads in the United States since 2016, you may hold a claim. What it will recover is unknown and highly speculative, and it will take years. Our Google Ads claims page walks through the options: have the claim analyzed, pursue it with contingency counsel, or sell it for a fixed amount now.

Update log

Common questions

Is this a class action?

No. Google's advertising terms require individual arbitration and waive class actions, so each advertiser's claim is filed and decided on its own. Since July 2026, similar claims can be heard in batches, but they're still separate claims.

Did the court say how much advertisers overpaid?

No. The government asked for changes to Google's conduct, not damages, so the opinion says prices were raised above the competitive level without putting a number on it. Each advertiser has to prove its own overcharge in arbitration.

Does Shopping, YouTube or display spend count?

The search ruling covers general search text ads. The court found no monopoly in the broader market that includes Shopping ads, and the ad tech ruling found no advertiser-side monopoly, so display claims rest on a weaker theory. Neither ruling says anything about YouTube.

Where is the appeal?

In the D.C. Circuit, consolidated under Nos. 26-5023, 26-5047 and 26-5049. Briefing was complete by the summer of 2026. As of the status date above, no argument date had been set.

Who can bring a claim?

A business that bought Google search text ads under Google's U.S. advertising terms, generally from 2016 on. The claim belongs to the party Google billed. If an agency bought the ads in its own account and rebilled you, who counts as the purchaser needs to be worked out. Businesses outside the United States are under different terms and different laws.

Why does spend back to 2016 count?

Antitrust claims usually have to be brought within four years. But that clock stops while a government antitrust case about the same conduct is pending, and for a year afterward. The Department of Justice sued in October 2020, so the firms filing these claims count spend from 2016. How far back your own claim reaches is a question for your lawyer.

What are treble damages?

Federal antitrust law lets a business injured by a violation recover three times the damages it proves, plus the costs of the case and a reasonable attorney's fee. The multiplier is fixed by law. The damages themselves still have to be proven.

What happens to advertiser claims if Google wins its appeal?

The claims rest on the finding that Google monopolized search text ads and raised prices. If the D.C. Circuit reverses on liability, that foundation goes: claims already filed would have to be proven from scratch, and most would likely be dropped. If the ruling is affirmed, the liability finding becomes final, but it still adds no damages number.

How long does an arbitration take?

Nobody knows yet, because no timetable has been set. The firm filing the most claims has said that comparable mass arbitrations took 12 to 24 months from filing to resolution, and arbitrators may wait for the appeal, since the claims lean on the ruling. An award can then be challenged in court before any money moves.

What does an arbitration cost?

More than most people expect. The American Arbitration Association charges filing and case fees that scale with the amount claimed, the arbitrator bills for time, and proving an overcharge takes an economist. Under the terms Google published for July 2026, each side pays its own lawyers' fees and costs. Under the old terms, Google covered the AAA fees on claims of $75,000 or less and capped an advertiser's share at $200 on claims up to $300,000. Lawyers working on contingency take a share of the recovery, and the experts and arbitration costs come out on top of that.

Can an advertiser still opt out of arbitration?

No. The opt-out had to be filed within 30 days of first accepting a version of the terms that included arbitration, which for most accounts was in 2017. The July 2026 changes came with their own 30-day window to reject them, and it has closed.

What records should an advertiser keep?

Everything that shows what you paid Google for search text ads, and when: invoices, billing exports and monthly spend reports, by campaign type and year, plus your agency's records if an agency ran the account. Since June 1, 2026, Google Ads keeps daily and weekly reporting data for only 37 months, and monthly data for 11 years, so older detail may now exist only in your own files.

Can a claim be sold instead of pursued?

Yes. The right to a claim's proceeds can be sold in a true sale. That gives the holder a fixed amount now and moves the wait and the risk to the buyer. Turnpage places such claims with its capital partners and advises holders who would rather pursue them. The options are set out on the Google Ads claims page.

Get in touch

Contact our team to learn more.

Turnpage Digital Markets LLC is not a law firm and is not affiliated with Google, the Department of Justice, the courts or the American Arbitration Association. This page is general information drawn from the public record cited above, not legal advice. Quotations from the opinion are from the court's published findings.