David H. Williams is an internationally-known expert in the wireless/mobile location field and President of E911-LBS Consulting. He specializes in mobile/wireless location forensics litigation services and Intellectual Property/patents involving location technologies such as Global Positioning Satellite (GPS) systems, Network-based location systems, IoT, Wireless 911 (E911), and Real-Time Location Systems (RTLS), plus many others.

Mr. Williams has successfully provided expert witness services in well over 150 patent, criminal, civil, anti-trust, trade secrets, product liability, fraud, class-action, and ITC cases. His credentials in mobile location goes back to the early 1980s. He has testified successfully in (U.S.) federal district court and other venues, 7 times and been deposed 15 times.

Mr. Williams is expert in the full range of location-based services (LBS) applications enabled by these location technologies, including safety, security, and intruder detection/monitoring, vehicle/fleet tracking, telematics, local search, navigation systems, worker management, asset and freight management, wearable tags/sensors, financial/mobile wallet, family tracking, and social and business networking apps.

Mr. Williams can provide mobile forensics investigation and accident/crime reconstruction regardless of the platform from which the location records are obtained. This capability is rapidly becoming critical as location applications proliferate, and include the extraction and analysis of data from numerous platforms, including:

Apple and Google (iOS and Android)
AVL (Automatic Vehicle Location) Systems
Aviation (GPS systems)
Connected/Driverless Cars
E911
Facebook/Instagram/Messenger
Google Maps/Earth/Timeline
(Specialty) GPS (e.g Parolee Ankle Bracelets, Asset Trackers)
Home/Industrial Automation systems
Internet of Things (IoT)
Web browsers
Location Aggregators
SMART systems (Cities, Buildings, etc.)
Social Media
Surveillance/Safety Systems
Vehicle Tracking

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