Verizon Sues Vonage for Infringing VoIP Patents

Internet phone service provider Vonage Holdings Corp. said it has been served with a patent infringement lawsuit filed by two units of Verizon Communications Inc. Adding to its woes since a weak stock market debut last month, the lawsuit from Verizon Service Corp. and Verizon Laboratories Inc. alleges that Vonage had infringed on seven patents related to voice-over-Internet Protocol (VoIP) technology, the companies said.

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