AT&T Sues Vonage for Patent Infringement

19 October 2007

AT&T filed a lawsuit against VoIP provider Vonage Holdings, seeking damages for alleged patent infringement.

AT&T Inc. on Friday filed a lawsuit against VOIP provider Vonage Holdings Corp., seeking damages for alleged patent infringement.

The lawsuit comes just days after Vonage settled a patent-infringement lawsuit with telecom provider Sprint Nextel Corp.

In a filing with the U.S. District Court for the Western District of Wisconsin, AT&T alleged that Vonage wilfully infringed an AT&T patent related to telephone systems that allow people to make VOIP (voice-over-Internet Protocol) calls using standard telephone devices.

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