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Barr Group's military and aerospace expert witness team comprises experienced software developers, electrical engineers, and mechanical engineers as well as PhD cryptographers with expertise in the design of state-of-the-art mission-critical defense electronics. Our experts have assisted with IP infringement and hacking/security breach litigation.

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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.

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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.

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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:

Military & Aerospace Expert Witness List

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

Consultant with two decades of experience developing software and mobile apps for Android, Linux, Windows, and real-time operating systems.
Former engineering VP with experience leading development of enterprise software, including electronic payment and data management systems.
Computer science professor with industry experience in system administration as well as data centers and cloud storage and a range of other technologies.
Former professor of computer science and consultant with specialized knowledge of the internal structure of the Linux operating system.
Electrical engineer with three decades of experience in safety-critical aerospace, automotive, and medical and expertise in hybrid electric vehicles.
USAF researcher in image processing and GPS-denied navigation with decades of experience in control systems including for aerial drones and UAVs.
Consultant with thirty years of software development experience designing products from autonomous underwater robots to cable modems and set-top boxes.
Accomplished software and systems engineer with specialized expertise in UI design and human factors for mobile, web, desktop, and server software.
MIT-educated electrical engineer with decades of industry experience designing software and electronics including for computer graphics, video games, and virtual worlds.
Consultant with two decades of experience in wireless protocols and standards, including all generations of the IEEE 802.11 “WiFi” and GSM cellular standards.