Briefs

Pinpoint Inc. reportedly sued Amazon (Quote, Company Info) and six other major national retailers for allegedly violating its patents on software that assists online shoppers with their purchasing decisions.

The Fort Worth, Texas-based company filed the suit Thursday in U.S. District Court in the Northern District of Illinois. In it, Pinpoint claims Amazon and the other companies have violated several of its patents, which cover software that recommends specific content to Internet users, based on their past behavior. Amazon uses personalization technology to recommend products to shoppers on its site, based upon their previous purchases.

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