Digi-iGuide Patent Infringement

Possibly relevant patents Magellan’s patent application number for a “Portable Vehicle Navigation System” TomTom’s patent application number for a “Personal GPS navigation device” and Garmin’s patent number for a “GPS device with compass and altimeter and method for displaying navigation information”

Functionality Function: a portable device that displays some type of map information to the user including a current position –Magellan specifies keyboard –TomTom specifies GPS signal strength –Garmin specifies compass and altimeter

Implementation - “the same way” Each device: –Uses a central processor –Determines location with GPS –Includes a display that takes user input Magellan downloads map information from network TomTom uses a database Garmin…

Patent Infringement Possibility that our product performs “substantially the same function in substantially the same way” as Garmin’s device Doctrine of equivalents

Course of Action Change Design Declaratory Judgement Action License? (right…)