BlackBerry maker <A HREF="http://www.eweek.com/c/a/Mobile-and-Wireless/RIM-Sues-Motorola-over-Patents/">Research In Motion has sued Motorola,</A> over what the Canadian company says are patent infringements and "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."