Firmware and IoT Expert Witnesses

Internet-Connected Smart Products

Barr Group is in the business of designing reliable and secure computers and we have software engineers with hands-on experience designing a wide variety of mass-market Internet-connected products that network via 802.11 WiFi, RFID, NFC, Bluetooth (including BLE), Zigbee, cellular, and M2M. For example:

• Smart TVs and smart speakers from Google, Amazon, and Apple
• Set-top boxes for cable and satellite television
• Wearable computers such as fitness trackers and heart-rate monitors
• Smart home thermostats, doorbells, sensors, and LED light bulbs
• Network LAN/WAN routers, hubs, and switches
• Edge computing devices and routers for cloud computing
• Embedded systems and embedded software ("firmware")

Barr Group's engineers are familiar with all of the major technologies used to design connected devices including the Google Cloud IoT, Amazon AWS IoT Core, and Microsoft Azure IoT frameworks, Linux and real-time (RTOS) operating systems, and also the programming languages that are used, such as assembly, C, and C++. And we are equally comfortable reviewing electronic circuits and schematic drawings.

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Expert Witness Services

Barr Group's connected device 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
• Software and firmware source code review and analysis
• Source code comparisons for copyright and trade secret theft
• Prior art review for patent invalidity
• Analysis of electronics and related design documents
• Reverse engineering, including disassembly of binary code
• Forensic analysis, including electronic data recovery
• 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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Further Reading

• Security and the IoT
• How to Prioritize RTOS Tasks (and Why It Matters)
• Introduction to Rate Monotonic Scheduling
• Embedded C Coding Standard

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

Who are Barr Group's Firmware and IoT expert witnesses?

Barr Group's Firmware and IoT expert witness roster holds 101 anonymized, prequalified profiles; a selection follows, and matched recommendations from the full roster are free to the attorney.

• Embedded Software Design Expert Witness. Barr Group's embedded software expert witness has more than twenty-five years of software industry experience and has testified more than twenty times before judges and juries in U.S. and Canadian courts.
• Secure Computer Systems Expert Witness. Barr Group's embedded electronics and software expert witness has extensive product development and computer security experience and has testified in automotive product liability, software forensics, and source code intellectual property cases.
• 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.
• DOCSIS Cable Modem Expert Witness. Barr Group's DOCSIS cable modem expert witness authored the DOCSIS 1.0, 1.1 and Baseline Privacy standards, built the first MCNS cable modem, and is a named inventor on nearly one hundred U.S. patents in broadband, wireless data, mesh networking and digital video.
• 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.
• GPS & Navigation Systems Expert Witness. Barr Group's GNSS and location-based services expert witness has twenty-five years of navigation technology experience spanning global positioning systems, geolocation and tracking, mobile and IoT devices, and cloud-based services across the consumer electronics and automotive industries.
• Embedded Firmware Architecture Expert Witness. Barr Group's embedded firmware architecture expert witness has over 30 years of experience with real-time operating systems and hardware-software interfacing for safety-critical automotive and medical devices, with litigation experience in automotive product liability and patent disputes.
• Cybersecurity & Cyber-Warfare Expert Witness. Barr Group's computer security and digital forensics expert witness has written more than two dozen books and scientific papers on cyberwarfare, cryptography, and applied mathematics, and has developed Windows applications, SQL Server databases, and HTML and JavaScript websites.
• Secure Embedded Systems Expert Witness. Barr Group's embedded systems security expert witness has over 15 years of experience with ARM TrustZone trusted applications, embedded Linux cryptography, secure boot, and binary reverse engineering across defense, automotive, and commercial systems.