Sprint says cable companies infringed patents

Wireless company claims Comcast, Time Warner and others are using its technology

In a move signifying that it may be bitter about a recent business deal between cable companies and a major rival, Sprint Nextel Corp. has sued Comcast Corp., Time Warner Cable Inc. and other cable giants for allegedly infringing on its patents.

Sprint, which is the third largest wireless operator in the U.S., claims Comcast, Time Warner, Cox Communications Inc. and Cable One Inc. are misappropriating digital phone technology that it patented in the 1990s. The company filed its lawsuits yesterday in federal court in Kansas City, Kan., claiming the cable companies are infringing a total of 12 of its patents.

Ashley Post

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