Mobile Devices & Apps Expert Witnesses

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.

Request your mobile apps expert now >

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.

How can we help you today? >

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.

Who are Barr Group's Mobile Devices & Apps expert witnesses?

Barr Group's Mobile Devices & Apps expert witness roster holds 86 anonymized, prequalified profiles; a selection follows, and matched recommendations from the full roster are free to the attorney.

• Software Intellectual Property and Reverse Engineering Expert Witness. Barr Group's source code analysis and reverse engineering expert witness has over 15 years of experience in software comparison and plagiarism detection for litigation and has testified in patent, trade secret, and copyright disputes.
• Speech Recognition and Natural Language Processing Expert Witness. Barr Group's speech recognition and natural language processing expert witness has over three decades of experience in speech synthesis, dialogue systems, and conversational AI, and has testified in multiple federal patent infringement cases.
• Source Code Forensic Analysis Expert Witness. Barr Group's software forensics expert witness has over 25 years of programming experience, a decade of courtroom testimony, and has served as consulting or testifying expert in 20+ patent and copyright infringement matters involving source code analysis and reverse engineering.
• Graphical User Interface and Usability Expert Witness. Barr Group's human factors and usability engineering expert witness has 44 years of experience in graphical user interface design and product ergonomics and has testified in over 75 major intellectual property cases.
• Virtual Reality Worlds & Gaming Expert Witness. Barr Group's computer graphics and video game expert witness has over forty years of experience designing software and electronics, including virtual worlds and simulation environments, and has testified as an expert witness.
• Mobile & Wireless Networks Expert Witness. Barr Group's wireless communication systems and mobile networks expert witness has testified on wireless and wireline communications technologies and standards, assessing patent portfolios, standards essential patents, and infringement and validity opinions.
• Penetration Testing Security Expert Witness. Barr Group's embedded security expert witness specializes in penetration testing, reverse engineering with tools such as IDA Pro, FPGA design in VHDL, and real-time firmware in C and assembly, and holds a security clearance.
• Video Game Computer Graphics Expert Witness. Barr Group's computer graphics expert witness has more than thirty years of software industry experience spanning military and flight simulators, video gaming technologies, medical visualization, scientific computing, and web-based Service-Oriented Architecture services.
• Video Game Software and Console Development Expert Witness. Barr Group's video game software and console reverse-engineering expert witness has over four decades of experience in game system architecture and advergaming technology, and has been retained in patent infringement, copyright, trade secret, and contract matters.
• System & Software Testing Expert Witness. Barr Group's software, hardware, and systems testing expert witness has over thirty years of experience, has authored fourteen books translated into over a dozen languages, and has trained tens of thousands of people worldwide.