MONTREAL (Reuters) - BlackBerry-maker Research In Motion (RIM.TO) and rival Motorola (MOT.N) have sued each other over what they say are patent infringements for technology used in their mobile phones.
RIM alleges that Motorola is infringing on the Canadian company's patents and demanding "exorbitant" licensing fees, according to court documents.
The civil action, filed on Friday in U.S. District Court for the Northern District of Texas, alleges that Motorola infringed on a number of patents held by RIM.
In addition, RIM alleges that Motorola "is demanding exorbitant royalties...for patents that Motorola claims are essential to various standards for mobile wireless telecommunications and wireless computing that RIM practices."
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