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Nortel charges Vonage with patent infringement

Mon, 12/17/2007 - 7:30am
Brian Santo

Nortel Networks is suing Vonage, claiming that Vonage violated nine patents related to Internet phone services and related features, such as 911 and 411 calling and click-to-call. The action is a counter-suit.

In 2004, Digital Packet Licensing (DPL) sued Nortel for infringement of three of its patents. Last year, Vonage purchased those three patents from DPL. After acquiring the patents, Vonage decided to continue the suit against Nortel.

In the past year, Vonage has been sued by several companies for patent infringement and has recently settled with AT&TSprint and Verizon.

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