ACCC Sues Amazon Over "Unfair" Prime Contract Terms, Alleging Undisclosed Ad Introduction

ACCC disclosed that on May 21, 2024, subscribers were advised the ad rollout would take effect from July 2, 2024, and by that date more than 850,000 annual Prime subscribers had moved to an ad-supported tier, with over 600,000 of those who had signed up or renewed since November 9, 2023.
The ACCC alleges five unfair terms in Prime contracts allowed Amazon AU to unilaterally degrade services or change contract conditions without any obligation to provide pro rata refunds or other redress.
ACCC claims Amazon US was knowingly involved in drafting the Australian contracts and in the global decision to introduce advertising, potentially making the parent liable for penalties.
The case was filed in the Victorian District Registry on 29 June 2026, marking the formal Federal Court proceedings against Amazon AU.
ACCC Chair Gina Cass-Gottlieb emphasized consumer rights to fair standard-form contracts, including a quote noting that many consumers who wanted to avoid ads were left with no option but to pay more to maintain the service they originally signed up for.
Australia's consumer watchdog has taken Amazon to Federal Court, alleging the tech giant used hidden contract loopholes to quietly roll out ads to Prime Video subscribers — then charged them $2.99 a month extra to get rid of them. The Australian Competition and Consumer Commission filed proceedings against Amazon Commercial Services Pty Ltd on June 29, 2026, in Melbourne's Victorian District Registry, targeting contracts covering more than one million annual Prime subscribers between November 2023 and August 2025, according to MI-3.
By July 2, 2024 — the day ads officially switched on — more than 850,000 annual subscribers had already been moved to the ad-supported tier, Perth Now reported. Over 600,000 of those had signed up or renewed after November 9, 2023, the date tougher unfair contract laws came into effect in Australia.
The ACCC alleges Amazon buried five unfair terms inside its standard Prime subscription agreement. Under Australian Consumer Law, a contract term is "unfair" if it creates a major power imbalance, isn't necessary to protect the company's legitimate interests, and causes harm to consumers. The ACCC says these five terms gave Amazon the power to change the service at any time — without offering subscribers a refund for the months they'd already paid for, according to Head Topics.
Amazon emailed subscribers on May 21, 2024, giving them just six weeks' notice before ads went live on July 2. But the ACCC argues that short notice isn't the same as a fair remedy. Subscribers locked into annual plans had no right to exit and get their money back. ACCC Chair Gina Cass-Gottlieb said: "Many consumers who wanted to avoid ads were left with no option but to pay more to maintain the service they originally signed up for."
The ACCC isn't just going after Amazon's local arm. The regulator also named Amazon.com, Inc. — the US parent company — as a defendant. The ACCC alleges Amazon US was "knowingly involved" in writing the Australian contracts and in the global decision to introduce advertising, Daily Mail reported. If proven, the parent company could face financial penalties alongside its Australian subsidiary.
Legal analyst Dr. Sarah Finch of Monash University said the move sends a clear message. "The ACCC is sending a message that Silicon Valley cannot hide behind local subsidiaries when global policies violate Australian domestic law," she said. The penalty stakes are high. Under updated Australian Consumer Law, fines can reach $50 million per breach — or 10% of annual turnover — whichever is greater.
When Netflix and Disney+ introduced ads, they launched cheaper ad-supported tiers as a new, lower-cost option. Existing subscribers could stay on their original plans. Amazon did the opposite. It added ads to its existing standard tier — the one subscribers had already paid for — then introduced the $2.99 monthly surcharge for anyone who wanted the ad-free experience they originally bought, according to Wiky.
Telsyte, an Australian market research firm, noted that "subscription fatigue" peaked in Australia in 2025. This case may push other platforms to rethink mid-contract changes. A court win for the ACCC could effectively ban unilateral service downgrades in Australia, forcing streaming services like Paramount+ and Disney+ to offer full refunds if they move features behind a higher paywall after subscribers have already paid.
The first court directions hearing is expected in late 2026. A full trial is unlikely before 2027, given the complexity of proving Amazon US was "knowingly involved" in the Australian contracts. If Amazon loses, it could be forced to pay pro-rata refunds to affected subscribers — potentially tens of millions of dollars — on top of government penalties, MI-3 reported.
ACCC Chair Cass-Gottlieb made clear the case goes beyond Prime Video. She flagged broader concerns about how digital platforms use fine-print contract terms to quietly monetize users through advertising. The outcome could reshape how every major streaming service — and digital subscription platform — writes its contracts for Australian customers going forward.
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