SCHAFFHAUSEN, Switzerland/December 23, 2010/Business Wire/ - Garmin Ltd. (NASDAQ: GRMN) announced today that the District Court of Düsseldorf has issued a ruling in the patent litigation initiated by Pioneer Corporation. The Court’s ruling, which is subject to appeal, found that the two patents asserted by Pioneer are infringed by certain Garmin software functionality. Garmin has already developed minor software revisions that eliminate the narrow functio… Read the complete story.