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Re:The End Of The CrunchPad by codexon on Monday November 30, 2009 @08:57PM (#969089)
I believe you are thinking of copyright. Patents and trademarks need to be registered in the US.
Re:The End Of The CrunchPad by jeromec on Tuesday December 01, 2009 @08:12AM (#969655)
From wikipedia: Proprietary rights in relation to a trademark may be established through actual use in the marketplace, or through registration of the mark with the trademarks office.