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Cendant Sues Amazon.com Over Business Method Patent

Law360 (November 4, 2004, 12:00 AM EST) -- Cendant Corp., the world’s largest real-estate and travel-services company, has filed a federal lawsuit against online retailer Amazon.com Inc., claiming that Amazon’s "recommendations" feature infringes on a Cendant business method patent.

In a lawsuit filed with the U.S. District Court for the District of Delaware, Cendant claims that Amazon is infringing on its patent titled "System and Method for Providing Recommendation of Goods or Services Based on Recorded Purchasing History."

The patent, awarded to Cendant Publishing in August, covers a method of informing a customer about...
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