Vonage sued for third time over patentsVonage sued for third time over patents
July 11, 2006
Embattled VoIP firm, Vonage, has been hit by another patent infringement suit, this time from patent-holding company Klausner Technologies which is looking for $180m in damages and royalties.
Klausner alleges that Vonage infringes patents used in its voice mail service. The patent dates from 1994 and allows checking of analogue voice mail from a remote location.
Vonage, still suffering from a disastrous IPO, is already the subject of two other lawsuits for allegedly infringing patents. Last year a subsidiary of Sprint-Nextel filed against Vonage and then in June, Verizon launched its own suit claiming Vonage had infringed on seven of its patents.
Perhaps picking up a few tips in the litigation game itself, Vonage yesterday acquired three VoIP patents from Digital Packet Licensing.
The patent dates from 1994 and allows checking of analogue voice mail from a remote location.
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