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Mobile Devices and Applications

Barr Group's expert witnesses have specialized expertise in source code review for smartphone devices and mobile apps, including:

  • Smartphones, cell phones, tablets, and smart watches
  • Google Android mobile operating system and SDK
  • Apple iOS, iPadOS, tvOS, and watchOS as well as XCode
  • Microsoft Windows Phone, Windows Mobile, and Windows IoT
  • Google Play, Apple iTunes/AppStore, and Windows Phone Store
  • Blackberry OS, Qualcomm BREW, PalmOS/webOS, and ARM platforms
  • Nintendo, PlayStation, XBox, and video games for mobile computers
  • Cellular network protocols (SMS, MMS, CDMA, GSM, LTE)
  • WiFi 802.11, NFC, and Bluetooth (including Bluetooth LE)
  • IrDA and other infrared and line-of-sight communications
  • GPS, accelerometer, pedometer, camera, and microphone peripherals
  • Internet of Things (IoT) devices and cloud hosted apps
  • Web-based apps built with HTML, JavaScript, JSON, etc.
  • Qualcomm's hardware abstraction layer (HAL)

Barr Group's software experts are familiar with all of the major smartphone APIs as well as related wireless protocols and also with the programming languages used to develop iOS and Android apps, including C/C++, .NET, C#, Objective-C, Swift, Java, Kotlin, and Go.

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Expert Witness Services

Barr Group's smartphone experts support plaintiffs and defendants in litigation in U.S. District Courts, at the International Trade Commission (ITC), and before the Patent Trial and Appeal Board (PTAB). Our services include:

  • Technical assistance with drafting of discovery requests
  • Preparation of patent infringement claim charts
  • Software source code review and analysis
  • Source code comparisons for copyright and trade secret theft
  • Prior art review for patent invalidity
  • Automated testing of mobile devices and wireless communications
  • Evaluation of cyber breaches and privacy invasions
  • Expert reports, declarations, and witness statements
  • Testimony at deposition, oral hearings, and trials

Barr Group has a demonstrated ability to quickly activate one or more code reviewers to match the size, scope, and complexity of any project.

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The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:

Barr Group experts also handle geofencing and location-based services. Geofencing uses GPS, Wi-Fi, or cellular signals to define a virtual boundary around a physical area and trigger automated actions (push notifications, check-ins, ad targeting, or device behavior) when a device enters or leaves the zone. It is an increasingly litigated technology in patent and trade-secret disputes.

Mobile Devices & Apps Expert Witness List

The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:

Expert B246R

Wireless systems engineer and CTO with over a decade of specialized experience in Bluetooth Low Energy across embedded systems, iOS, and Android platforms.…

Expert B550N

Computer scientist and distinguished expert in biometric presentation attack detection and unconstrained face recognition systems, with over 15 years of…

Expert W230A

Wireless systems and distributed computing expert with over five years of active litigation experience spanning more than twenty patent cases. Deep technical…

Expert R000R

Professor of Electrical Engineering with over 30 years of research and industry experience in wireless communications systems. This expert specializes in 5G and…

Expert S416N

Electronics and computer science expert with more than twenty-five years of hands-on experience analyzing, designing, and implementing real-time systems for…

Expert H400L

Computer scientist and inventor with decades of hands-on experience applying emerging technologies to create successful software applications and apps for a…

Expert B430T

Consulting electrical engineer and computer scientist with over twenty-five years of hands-on experience prototyping and developing…

Expert S650N

Internationally recognized expert in computer systems with almost 25 years of experience in the field.  Has…

Expert A536S

Independent consultant and electrical engineer with more than four decades of industry experience. Has significant experience in systems engineering, advanced…

Expert S165T

Computer scientist with more than twenty-five years of experience working on and leading information technology projects…