Patent Holder Sues Smartphone Makers

The patent-holding company that won a settlement of more than $600 million from the maker of the BlackBerry is suing six other makers of phones and phone software.

Apple , Google , Microsoft , HTC, LG Electronics and Motorola are targets of the lawsuits. The patent company, NTP, is claiming infringement of the same patents that were at issue in its suit against Research In Motion .

The suit against RIMended with a $612.5 million settlement in 2006.

Reactions from the targets of the suits were not immediately available.