Google faces mass advertiser arbitration

Advertisers are starting mass arbitration claims against Google, opening a new front in the company’s antitrust fights over search and ad technology. (claimsjournal.com) The first claims are expected this week, according to Chicago lawyer Ashley Keller, who said he has already signed up a “significant number” of advertisers. Keller told Bloomberg potential claims tied to search and display ads could reach $218 billion or more. (claimsjournal.com) The claims are being pushed into arbitration because Google’s advertiser contracts require disputes to be handled there instead of in court. That blocks a single class action and forces companies to file one by one, then coordinate them in bulk. (claimsjournal.com) Mass arbitration is the coordinated filing of at least 25 similar claims against the same company under American Arbitration Association rules. The process has mostly been used in consumer and employment disputes, not by corporate claimants seeking business damages. (adr.org) The advertisers’ case leans on two federal antitrust losses for Google. In August 2024, a federal judge in Washington ruled that Google illegally maintained a monopoly in online search. (justice.gov) In April 2025, a federal judge in Virginia ruled that Google violated antitrust law by monopolizing parts of the open-web digital advertising market, the software tools publishers and advertisers use to place and sell ads. Google is appealing the search ruling and is expected to appeal the ad technology ruling. (justice.gov) Some advertisers had already sued after those rulings, including USA Today Co. and Advance Publications Inc. The arbitration push widens that effort to companies whose contracts send them out of court and into private proceedings. (claimsjournal.com) Google said in a recent corporate filing that it faces private damages claims tied to antitrust cases brought by regulators around the world and that it could not estimate a possible loss. The company said it believes it has “strong arguments” and will defend itself “vigorously.” (claimsjournal.com) Keller said similar mass arbitrations have taken 12 to 24 months from filing to resolution. If those timelines hold, the fight over Google’s ad business will move from headline court losses into a slower, expensive round of private claims. (claimsjournal.com)