ttyp0 writes "The maker of the BlackBerry on Wednesday gained some ground as it fights a battle over patents with NTP, which is trying to shut down most sales and service of the portable e-mail device in the United States. The U.S. Patent and Trademark Office issued a final rejection of one of five disputed patents owned by NTP, another step in a long process that Research In Motion Ltd. hopes will allow it to keep operating its U.S. BlackBerry service. NTP, a closely held patent holding company, has successfully sued RIM for infringement of its patents. I've been following the case closely as our company is about to invest in BES, a costly venture indeed."
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