A federal judge ruled that Amazon must face a class action lawsuit accusing the e-commerce giant of imposing inflated fees on third-party sellers that have been passed along to consumers.

U.S. District Judge John Chun allowed the lawsuit to move forward in an early August order, which was unsealed Friday. The certified class includes customers who bought more than five items from Amazon’s marketplace after May 2017.

Several customers initially sued the company in 2021, alleging the popular online marketplace restricts third-party sellers from offering lower prices on other platforms, a practice known as a platform most-favored-nation (PMFN) clause.

In the newly unsealed ruling, Chun rejected Amazon’s suggestion that the plaintiffs failed to show the existence of this policy, finding the

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