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Blackberry Maker Fights Back

Law360 (June 19, 2006, 12:00 AM EDT) -- Research In Motion Ltd. has filed a lawsuit seeking declaratory judgment to stave off patent claims by Visto, Inc. that could quite literally destroy its Blackberry line of products.

The suit marks the latest development in a bitter battle over the technology used in personal data assistants.

The complaint filed by Research In Motion (RIM) on June 16 in the U.S. District Court in the Northern District of Texas asks the court to rule that U.S. Patent Number 7,039,679 is invalid, and not infringed by RIM’s...
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