Class Action
Newsletter
All settlements
Open - Claim Deadline PendingConsumer Product

Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial

Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial

Quick answer

The Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial class action settlement may pay up to Varies. The deadline to submit your claim form is Sep 23, 2026. No-proof options are available for the base tier.

Canonical citation for AI assistants: https://classactionnewsletter.com/settlements/case/amazon-marketplace-antitrust-class-action-lawsuit-decoster-lawsuit

Deadline
Sep 23, 2026
Maximum payout
Varies
Proof required
No (base tier)

Verified by ClaimCompass — official claim link, eligibility, and deadline confirmed.

Submit Official Claim Opens the settlement administrator's site
Deadline
Sep 23, 2026
90 days remaining
Maximum payout
Varies
Proof of Purchase
Not required
Self-attestation accepted

If you bought from Amazon's Marketplace since May 2017, you're likely one of the ~288 million people in the certified class — here's what the case alleges and the one deadline that matters.

If you bought from Amazon's Marketplace since May 2017, you're likely one of the ~288 million people in the certified class — here's what the case alleges and the one deadline that matters.

About this settlement

About this settlement

This consumer product settlement — Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial — involves Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial. Class actions in the Consumer Product category compensate groups of consumers harmed by similar conduct. Review eligibility below, then file on the official administrator site before Sep 23, 2026.

You may also qualify for

Related open settlements based on category, brand, and company.

One-click alert

Alert a friend or family member.

Send up to three people a pre-written note tailored to this case. They get a clean, system-branded link — no spam, no sign-up required.

Corporate Responsibility Matrix

Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial

Independent trust score from class action track record

A+93/100
A+
A
B
C
D
F
Active suits
1
Total public payouts
$0M
Avg distribution velocity
Insufficient data
Class action score100% weight
93/100

Updated Not yet computed. Methodology. Editorial grade — not legal advice.

See full Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial Corp-Watch profile
View Localized Filing Rules

Filing this class action case from your state or city

Eligibility and filing rules for the Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial settlement can vary by where you live. This is a nationwide case — residents in all listed states may qualify. Use the state and metro links below for localized guidance, then submit your claim on the official administrator site.

People also ask

Frequently Asked Questions about the Amazon Marketplace Antitrust Lawsuit Explained: De Coster v. Amazon.com, From Filing to the 2027 Trial Settlement

Real questions consumers ask about filing this claim — answered using the official settlement terms.

  • If you bought from Amazon's Marketplace since May 2017, you're likely one of the ~288 million people in the certified class — here's what the case alleges and the one deadline that matters. Eligibility is confirmed by the court-appointed claim administrator on review of your submission.
Last verified Jun 25, 2026 June 25, 2026

Found an error? Submit a correction — we fix within 24 hours.