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[BUSINESS] · United States · 11 sources

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Amazon sued by FTC and 22 states over alleged ad auction manipulation

The Federal Trade Commission (FTC) and 22 state attorneys general have filed a lawsuit against Amazon, alleging the company engaged in deceptive practices to secretly inflate advertising prices for over seven years. The complaint, filed in the U.S. District Court for the Western District of Washington, claims Amazon manipulated its online search advertising auctions to extract tens of billions of dollars from advertisers.

According to the FTC, Amazon represented its marketplace as using a 'second-price' auction system, where the winner pays only one cent more than the second-highest bid. However, the lawsuit alleges that since 2019, Amazon implemented an undisclosed 'soft reserve price'—effectively acting as a phantom bidder—to drive up costs. This practice allegedly converted many auctions into 'first-price' auctions, where advertisers pay their full bid. The FTC claims this occurred in approximately 79% to 80% of auctions in 2024, a significant increase from roughly 4% in late 2020.

The legal action impacts an estimated 1.2 million advertising customers, including more than 500,000 small and medium-sized businesses. The FTC notes that these increased costs are often passed down to consumers. Amazon has denied the allegations, stating the lawsuit is misleading and asserting that the company will defend itself in court.

Entities

Amazon · Andrew N. Ferguson · Anthony G. Brown · FTC · Federal Trade Commission · Western District of Washington

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