Dolby Files Patent Suit Against RIM for Audio Technology

Dolby International, a unit of audio equipment maker Dolby Laboratories Inc., is suing Research In Motion Ltd. for patent infringement in the U.S. and Germany. Dolby alleges that RIM's Blackberry smartphones and Playbook tablet devices use its patented digital audio compression technology, which enables the playback of high-quality audio files using limited amounts of storage space, without a license.

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