Research In Motion’s “workaround” technology, designed to skirt patents at the center of its legal battle with NTP, could be used on all existing and future BlackBerry devices. RIM, which helped popularize mobile emailing with its thumb-operated BlackBerry, rattled investors earlier this month with news it had reopened its legal battle with NTP after failing to finalize a $450 million settlement. After announcing the impasse, RIM said it had developed a technology to work around the NTP patents which it could use as an alternative, but gave few details.