Visual voicemail patents to have (another) day in court

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Hey—it's a mobile phone lawsuit that doesn't involve Apple. Mark this down as a red-letter day.

The suit in question involves visual voicemail. Klausner Technologies, which is a patent holding company, says that Verizon and LG Electronics are infringing upon a patent involving the technology that shows a visual list of voicemail messages. According to the Associated Press account:

New York-based Klausner said late Tuesday that Verizon Wireless' Visual Voicemail and LG's Voyager phone, sold by the carrier, infringe on a patent that covers services through which a user is able to view and retrieve individual voice messages through a menu.

The technology that launched a thousand patent suits

Of course, Apple's not involved in this latest suit because it was already sued by Klausner. That suit, like this latest one, alleges that the iPhone infringes upon patents held by Klausner covering visual voicemail technology. And that suit, like this latest one, was filed in the eastern district of Texas, which has rapidly become the Yankee Stadium of patent disputes.

Other companies involved with Klausner in patent litigation involving visual voicemail include iPhone partner AT&T, Comcast, Cablevision, and Skype. Sounds like it will be a real cozy courtroom.

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