Washington Joins FTC Lawsuit Accusing Amazon of Artificially Inflating Advertising Prices

Washington state has joined the Federal Trade Commission and 21 other states in a major lawsuit against Amazon, accusing the e-commerce giant of artificially inflating the prices of advertisements on its platform. The lawsuit, filed in the U.S. District Court for the Western District of Washington, represents a significant escalation in regulatory scrutiny of the company's advertising practices.

The bipartisan coalition alleges that Amazon has spent years imposing undisclosed surcharges on its advertising customers, a group that includes more than 500,000 small and medium-sized businesses nationwide. These businesses rely on Amazon's platform to ensure their products are prominently displayed to shoppers, treating the ad spending as a necessary cost of doing business.

For years, Amazon represented its advertising sales as operating on a "second-price" auction model, where the winning bidder for an ad placement was supposed to pay only one cent more than the second-highest bid. However, the lawsuit claims that starting in 2019, Amazon began manipulating this process, secretly turning it into a system where advertisers frequently paid their maximum bid price.

The coalition of states, led by the Federal Trade Commission, asserts that this scheme has extracted tens of billions of dollars from advertisers. Attorney General Nick Brown emphasized the state's commitment to ensuring fair practices that protect local sellers and the broader consumer market.

The Mechanics of the Alleged Surcharges

The core of the lawsuit focuses on how Amazon conducted its ad auctions behind the scenes. In a standard second-price auction, advertisers set a maximum price they are willing to pay, trusting that they will only be charged just enough to beat the competition. This model is designed to encourage bidders to offer their true maximum value without fear of overpaying.

According to the complaint, Amazon's system deviated significantly from this promise. The lawsuit alleges that Amazon implemented undisclosed algorithms and surcharges that effectively eliminated the benefits of the second-price auction. Instead of paying a fraction above the next highest bid, the winning advertisers were allegedly charged their own maximum bid price approximately 80% of the time.

This shift transformed the system into what resembles a "first-price" auction, but without the transparency required for advertisers to adjust their strategies accordingly. Because Amazon's auction system does not allow advertisers to see competing bids, businesses had no way of knowing they were being charged inflated prices.

The complaint highlights internal documents suggesting that some Amazon employees were aware of the ethical and practical issues with this approach. An internal memo from 2023 reportedly warned that the practice was not doing the right thing for the advertisers, indicating internal friction over the strategy. Despite these concerns, the lawsuit claims the company continued to extract maximum value from its ad placements at the expense of its sellers.

Impact on Small and Medium Businesses

The financial toll of these alleged practices falls heavily on small and medium-sized businesses. The lawsuit notes that over half a million of these enterprises participate in Amazon's advertising auctions. For many, maintaining visibility on the platform is critical to survival, leaving them with little choice but to participate in the ad system regardless of the rising costs.

In Washington state alone, there were approximately 10,000 independent sellers operating on Amazon's platform as of 2023. These local entrepreneurs often operate on tight margins, and any artificial increase in advertising costs directly cuts into their profitability. The state argues that Amazon's practices constitute a violation of the Consumer Protection Act, harming the very businesses that contribute to the platform's vast product selection.

The rising cost of advertising on Amazon has been a persistent point of contention among third-party sellers. As organic search results on the platform have increasingly been pushed down by sponsored placements, sellers have found themselves compelled to buy ads simply to remain competitive. The lawsuit frames this dynamic not as a natural market evolution, but as a deliberately engineered squeeze on dependent businesses.

The Attorney General's Office is seeking an injunction to force Amazon to reform its advertising practices. Additionally, the state is pursuing restitution for affected businesses, civil penalties for each violation of the Consumer Protection Act, and the recovery of reasonable attorneys' fees. If successful, the lawsuit could result in substantial financial compensation for thousands of independent sellers.

The Cost to American Consumers

While the direct victims of the alleged overcharging are the advertisers themselves, the lawsuit argues that the ultimate burden falls on everyday consumers. When businesses are forced to pay inflated prices to market their goods, those increased costs are inevitably passed down the supply chain in the form of higher retail prices.

Regulators assert that the scheme has extracted more than $20 billion from the market, a figure that represents a massive, hidden tax on e-commerce transactions. This inflationary pressure affects a vast array of consumer goods, from household essentials to electronics, as sellers adjust their pricing models to accommodate the rising cost of Amazon advertising.

Furthermore, the complaint suggests that Amazon's intense focus on maximizing ad revenue has degraded the overall shopping experience. By prioritizing paid placements over organic search results, the platform has allegedly allowed "junk ads" to crowd out more relevant or higher-quality products. This means consumers are not only paying more for goods but are also spending more time sifting through paid promotions to find what they actually want.

The connection between ad costs and consumer prices is a central pillar of the FTC's argument. By linking the harm suffered by businesses to the broader economic impact on shoppers, the coalition aims to demonstrate that Amazon's practices represent a systemic threat to a fair and competitive marketplace.

Amazon Defends Its Advertising Model

In response to the lawsuit, Amazon has staunchly defended its advertising practices, dismissing the allegations as misguided and fundamentally flawed. The company argues that the FTC and the state attorneys general misunderstand the mechanics and the value of its ad business, insisting that the auction system is working exactly as intended to benefit the entire ecosystem.

Amazon contends that advertisers do not blindly submit bids based solely on auction mechanics. Instead, the company asserts that sellers adjust their bids based on the actual performance and return on investment of the ads. According to Amazon, the auction model is designed to prioritize ad relevancy, ensuring that shoppers see products they are genuinely interested in purchasing rather than irrelevant items.

The company also strongly denies any claim that its practices have harmed either advertisers or consumers. In a public statement, Amazon asserted that the average winning bid for Sponsored Products search ads actually decreased by 50% between 2019 and 2025. They maintain that their approach has saved advertisers billions of dollars by improving efficiency, targeting, and overall return on ad spend.

Amazon's defense will likely focus on the complexity of digital advertising markets and the voluntary nature of its ad programs. The company maintains that its platform provides unparalleled reach and value for sellers, and that its pricing models are standard practice within the highly competitive digital advertising industry that includes rivals like Google and Meta.

A Shifting Regulatory Landscape

This lawsuit is the latest in a series of aggressive regulatory actions aimed at curbing the market power of major technology companies. The involvement of a bipartisan coalition of 22 states, alongside the FTC, highlights a growing national consensus that dominant digital platforms require stricter oversight to ensure a fair and competitive digital economy.

For years, companies like Amazon, Google, and Meta have operated advertising networks that serve as the primary engines of digital commerce. However, the opacity of these systems has increasingly drawn the ire of lawmakers and regulators. The Amazon lawsuit specifically targets the "black box" nature of digital ad auctions, challenging the right of platform operators to dictate terms without transparency or accountability to their users.

The outcome of this case could have profound implications for the entire digital advertising ecosystem. If the courts rule that Amazon's undisclosed algorithms constitute deceptive practices, it could establish a legal precedent requiring far greater transparency from all tech giants. This would fundamentally alter how digital ad inventory is priced and sold across the internet for years to come.

The scale of the coalition—ranging from Washington and California to Florida and Texas—demonstrates that concerns over tech monopolies transcend traditional political divides. As the case moves forward in the federal court in Seattle, it will be closely watched as a bellwether for the future of antitrust enforcement and digital platform regulation in the modern era.

What It Means for Washington Businesses

For the thousands of independent sellers based in Washington state, the lawsuit represents a critical moment of accountability in their relationship with the e-commerce giant. Many local entrepreneurs have built their businesses entirely around the Amazon ecosystem, relying on the platform to reach customers beyond the Pacific Northwest and sustain their operations.

The state's aggressive pursuit of restitution offers a glimmer of hope for businesses that have felt squeezed by rising ad costs in recent years. If the lawsuit succeeds, it could force a restructuring of Amazon's advertising model, potentially lowering the barrier to entry for new sellers and improving the profit margins for existing ones who have struggled to compete.

However, the legal process is expected to be protracted and fiercely contested by all parties involved. Amazon possesses immense legal resources and has signaled its intent to fight the allegations vigorously in federal court. For now, local businesses must continue to navigate the current advertising landscape, balancing the need for visibility against the reality of escalating operational costs.

The case also serves as a stark reminder of the risks associated with relying on a single dominant platform for retail success. As the lawsuit unfolds, business advocates in Washington are likely to emphasize the importance of diversifying sales channels and building independent e-commerce strategies to mitigate the impact of sudden policy changes or hidden algorithmic shifts by major tech companies.