'Cell phone users have long faced a frustrating expense: [t]heir old phones become useless as large wireless companies require customers to use specific makes of phones. In 2002, several wireless customers filed suit in federal court, alleging that the practice constituted unlawful "tying," in violation of the Sherman Act. On Tuesday, a judge dismissed the case, granting the summary judgment motion filed by Cingular Wireless, Verizon Wireless and AT&T Wireless Services, among others.'

Originally by Law.com - Tech Law Practice Center, 11:28 AM

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