Company Wants RIM to Stop Using 'BBM' Trademark

Research In Motion, still smarting over having to change the name of its yet-to-come operating system, faces a similar trademark challenge to its popular instant-messaging service BlackBerry Messenger. The service, which allows BlackBerry users to send each other text and multimedia files and see when they are delivered and read, is widely known and even promoted by RIM via the shorthand BBM.