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Patent holder sues smartphone makers

A company that won a $600 million settlement from the maker of Blackberry, is turning its attention to six other players.

A company that won a $600 million settlement from the maker of Blackberry, is turning its attention to six other players.

NTP, which back in 2006 won $612.5 million from Research In Motion, has now filed suit against Apple, Google, Microsoft, HTC, Motorola and LG Electronics, claiming that these companies infringe the same patents.

Following the RIM settlement, NTP's patents were re-examined by the U.S. Patent and Trademark Office, and while many of their claims have been rejected, three of the 10 claims that RIM were found to have infringed were upheld.

The patents deal with wireless email technology, the area of expertise of NTP founder Thomas Campana.

"We hope we can resolve these cases without having to go to trial," said NTP president (and lawyer) Don Stout.

NTP has licensed technology to Visto, Nokia, Good Technology and RIM. The company also has an ongoing lawsuits against AT&T, Sprint Nextel, T-Mobile, and Verizon Wireless.

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