I noticed earlier today that deCarta transferred 7 patents to Google in an assignment reported at the USPTO as being executed on July 31st and recorded with the patent office on August 28th. The patents are all older, orginally filed in 2000 through 2002. There are still 56 pending and granted patents on the USPTO site listed as assigned to deCarta at the patent office.
While the patents in this transaction are older, they still likely be relevant today to a company providing location-based services to mobile phone users. They involve such things as sharing of GPS-based (or other technology-based) locations among users and even connecting users based upon their locations. Another patent involves triggering a location based service such as receiving a notification when within a certain distance from a place such as a favorite restaurant. An additional patent involves sending advertisements to people as they approach specific businesses.