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Verizon sues Cox for infringing VoIP-related patents

Mon, 01/21/2008 - 8:43am
Traci Patterson

Verizon is suing Cox Communications for allegedly infringing on eight of its VoIP-related patents.

On Jan. 11, Verizon filed the case in the Eastern District Court of Virginia.

Four of the eight patents are the same patents that Verizon accused Vonage of illegally using – U.S. Patent Nos. 6,104, 711 and 6,282,574, which Vonage was found to have infringed, and U.S. Patent Nos. 6,430,275 and 6,137,869, which Vonage was found not to have infringed. The other four patents include U.S. Patent Nos. 6,970,930; 6,335,927; 6,292,481; and 6,636,597.

Last year, Vonage paid $120 million in settlement costs to Verizon.

But Verizon has now set its eyes on Cox, which has more than 2.1 million VoIP subscribers.

In November, the launch of Cox Business’ VoiceManager, an IP telephony platform, made Cox the first cable provider in North America to deploy a fully-owned-and-managed IP telephony service that addresses the needs of the broad business market.

In its filing, Verizon requested a jury trial, asked that Cox be prohibited from using the patents in an unauthorized manner, and requested that the MSO pay royalties, treble damages and all legal costs.

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• Verizon sues Cox for infringing VoIP-related patents 

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• Broadband Briefs for 1/21/08 

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