The plaintiffs alleged Expedia charged service fees under false pretenses in violation of its "Terms of Use" agreement with consumers. The lawsuit was filed in 2005 on behalf of Expedia customers by a Seattle law firm and applies to transactions on from Feb. 2003 through Dec. 2006.

In the summary judgment ruling last week, King County Superior Court Judge Monica J. Benton agreed with the plaintiffs that Expedia charged service fees to add to its profit, as well as to defray its costs.

"We believe that the court's decision is wrong on the law and wrong on the facts," Expedia said in a statement. " charged its customers a service fee for certain transactions during (the Feb. 2003 to Dec. 2006 period that) was fully disclosed to each customer before a booking was completed, and we are confident that we have fulfilled all applicable obligations to our customers."

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