Klausner Sues 3 More Cos. Over Visual Voice Mail IP

Law360, New York (September 15, 2011, 6:55 PM EDT) -- Patent-holding company Klausner Technologies Inc. on Tuesday sued Aastra Technologies Ltd., MagicJack LP and Digium Inc. in Texas over two visual voice mail patents.

Klausner accuses the companies of infringing two patents covering a telephone answering device that organizes voice messages and other caller information, and then displays the identity of the caller for each message.

The suit is just one of many Klausner has brought over the years against a wide range of communications companies, including Motorola Inc. and Google Inc., in an attempt to protect...
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