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April 30, 2008: Singapore Patent 134837: Continuous data optimization in positioning system.

July 22, 2008: US Patent 7403762: Method and system for building a location beacon database.

Aug 19, 2008: US Patent 7414988: Server for updating location beacon database.

Oct 7, 2008: US Patent 7433694: Location beacon database.

Dec 30, 2008: US Patent 7471954: Methods and systems for estimating a user position in a WLAN positioning system based on user assigned access point locations.

Jan 6, 2009: US Patent 7474897: Continuous data optimization by filtering and positioning systems.

Feb 17, 2009: US Patent 7493127: Continuous data optimization of new access points in positioning systems.

Mar 10, 2009: US Patent 7502620: Encoding and compression of a location beacon database.

Apr 7, 2009: US Patent 7515578: Estimation of positioning using WLAN access point radio propagation characteristics in a WLAN positioning system.

July 23, 2009: US Patent 7551579: Calculation of quality of WLAN access point characterization for use in a WLAN positioning system.

July 23, 2009: US Patent 7551929: Estimation of speed and direction of travel in a WLAN positioning system using multiple position estimations.

Nov 30, 2009: Singapore Patent 132039: Location beacon database and server, method of building location beacon database, and location based service using same.

Mar 31, 2010: Singapore Patent 157355: Location beacon database and server, method of building location beacon database, and location based service using same.

Aug 3, 2010: US Patent 7768963: System and method of improving sample of WLAN packet information to improve Doppler frequency of a WLAN positioning device.

Aug 3, 2010: US Patent 7769396: Location-based services that choose location algorithms based on number of detected access points within range of a user device.

Oct 19, 2010: US Patent 7818017: Location-based services that choose location algorithms based on number of detected access points within range of a user device.

Nov 16, 2010: US Patent 7835754: Estimation of speed and direction of travel in a WLAN positioning system.

Nov 17, 2010: China Patent 2005800421832: Location beacon database and server, method of building location beacon database, and location-based service using same.

Dec 21, 2010: US Patent 7856234: System and method for estimating positioning error within a WLAN-based positioning system.

Mar 29, 2011: US Patent 7916661: Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system.

Aug 16, 2011: US Patent 7999742: System and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system.

Sept 6, 2011: US Patent 8014788: Estimation of speed of travel using the dynamic signal strength variation of multiple WLAN access points.

Sept 13, 2011: US Patent 8019357: System and method for estimating positioning error within a WLAN-based positioning system.

Sept 20, 2011: US Patent 8022877: Systems and methods for using a satellite positioning system to detect moved WLAN access points.

Oct 4, 2011: US Patent 8031657: Server for updating location beacon database.

Oct 27, 2011: Australia Patent 2005330513: Location beacon database and server, method of building location beacon database, and location-based service using same.

Nov 8, 2011: US Patent 8054219: Systems and methods for determining position using a WLAN-PS estimated position as an initial position in a hybrid positioning system.

Nov 15, 2011: Singapore Patent 152385: Systems and methods for estimating positioning error within a WLAN-based positioning system.

Nov 22, 2011: US Patent 8063820: Methods and systems for determining location using a hybrid satellite and WLAN positioning system by selecting the best SPS measurements.

Jan 3, 2012: US Patent 8089398: Methods and systems for stationary user detection in a hybrid positioning system.

Jan 3, 2012: US Patent 8089399: System and method for refining a WLAN-PS estimated location using satellite measurements in a hybrid positioning system.

Jan 3, 2012: US Patent 8090386: Estimation of speed and direction of travel in a WLAN positioning system.