Military & Aerospace Expert Witnesses

Defense Electronics and Avionics

Barr Group is in the business of designing reliable and secure computers and our team of expert software engineers, electrical engineers, and mechanical engineers are familiar with electronic military and aerospace systems such as:

• Drones, i.e. unmanned aerial vehicles (UAVs)
• Physical security and surveillance systems
• Airplane avionics and ARINC-standard communications equipment
• Soldier-worn electronics, including hardened/low-power computers
• Military field radios, including software-defined radios (SDR)
• Aviation systems safety standards including DO-178 and DO-254
• Battlefield robots, smart weapons and GPS guidance systems
• Cybersecurity and secure wireless communications and protocols

Barr Group's experts are familiar with most operating systems used in embedded systems, including real-time operating systems like OSEK and QNX, as well as Linux, and programming languages including assembly, C, C++, and Matlab. And we are just as comfortable with electronic circuits and ASICs and the Verilog and VHDL languages.

Request your defense electronics expert now >

Expert Witness Services

Barr Group's weapons systems and avionics 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 source code review and analysis
• Source code comparisons for copyright and trade secret theft
• Analysis of electronics and related design documents
• Prior art review for patent invalidity
• Reverse engineering, including disassembly of binary code
• Forensic analysis and electronic data and metadata retrieval
• 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? >

Further Reading

• Lethal Software Defects: Patriot Missile Failure
• The State of Software Design for Safety and Security

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 Military & Aerospace expert witnesses?

Barr Group's Military & Aerospace expert witness roster holds 83 anonymized, prequalified profiles; a selection follows, and matched recommendations from the full roster are free to the attorney.

• 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.
• 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.
• 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.
• Medical Image Processing Expert Witness. Barr Group's signal, image, and video processing expert witness holds a Ph.D. in electrical engineering and has experience in data compression, medical and dental diagnostic imaging including X-ray, nuclear medicine, and ultrasound, real-time embedded software, and FPGA design.
• Battery Chemistry Expert Witness. Barr Group's battery and energy storage expert witness has more than thirty years of experience in battery, materials, and control system technology and has analyzed catastrophic battery system failures to determine root causes and cascading failure modes.
• Manufacturing Automated Test Expert Witness. Barr Group's electrical engineering expert witness has several decades of experience designing software and electronics for servo systems, data detectors, signal processors, and test equipment for magnetic and optical storage media and PC, EISA, and VME bus peripherals.
• Biometrics and Tamper Detection Expert Witness. Barr Group's iris biometrics expert witness developed novel and patented security technologies, was an early developer of iris biometrics using video image processing, and has extensive experience programming microcontrollers and other computer systems.
• Power Electronics and Motor Drive Expert Witness. Barr Group's power electronics expert witness has over two decades of experience designing switch-mode power supplies, wide-bandgap semiconductor converters, and permanent magnet synchronous motors for aerospace and defense propulsion applications.
• Lithium Battery Ultracapacitor Expert Witness. Barr Group's lithium battery and ultracapacitor expert witness has thirty years of industry experience in portable power, including managing the team that first commercialized lithium-ion battery technology in North America.
• 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.