A Delaware federal judge has tossed three related suits accusing Google Inc., Verizon Wireless, AT&T Mobility and BlackBerry Corp. of infringing a patent for location-tracking technology used on popular smartphone apps.
U.S. District Judge Richard Andrews of the District of Delaware said CallWave Communications’ claims under its “Location Determination System” patent were invalid because they were directed at an abstract idea and devoid of any inventive value.
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