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Cox Sues Sprint Unit Alleging Patent Infringement

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April 17 (Bloomberg) -- Cox Communications Inc. sued a Sprint Nextel Corp. unit in Delaware federal court, seeking a ruling that it doesn’t infringe 12 Sprint telecommunications patents and that the patents aren’t valid.

Cox, based in Atlanta, also contends Sprint Communications Co. is infringing two of its patents for data management, according to a complaint filed yesterday in Wilmington.

“There is a substantial controversy between the parties of sufficient immediacy and reality,” and “the Cox entities do not infringe any valid and enforceable claim of the Sprint patents,” Cox said in court papers.

The Delaware lawsuit stems from a related complaint filed by Overland Park, Kansas-based Sprint in December in Kansas City, alleging Cox infringes the 12 patents.

“We aren’t commenting on this case,” Stephanie Vinge-Walsh, a Sprint spokeswoman, said in an e-mailed statement.

Cox provides video, high-speed Internet and telephone services. Sprint provides wireless, wireline and Internet access, among other services.

The case is Cox Communications v. Sprint Communications, 12cv487 U.S. District Court, District of Delaware (Wilmington).

To contact the reporter on this story: Phil Milford in Wilmington, Delaware at pmilford@bloomberg.net

To contact the editor responsible for this story: Michael Hytha at mhytha@bloomberg.net

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