Electronic Medical Device Software Expert Witnesses

Barr Group's experienced medical device software expert witnesses consult with attorneys in medical product liability and intellectual property cases. Our experts in medical device technology have hands-on experience designing electronic systems and software and the credentials and composure to testify successfully before judges and juries.

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Electronic Medical Devices

An electronic medical device is an embedded system, which is a combination of software and electronics. When an electronic medical device malfunctions the results can be deadly. Barr Group is in the business of designing reliable and secure embedded systems and our expert software engineers, electrical engineers, and mechanical engineers are well acquainted with the design of FDA-rated Class II and Class III electronic medical products such as:

  • Electronic medical records and medical billing software
  • Pacemakers and implanted defibrillators
  • Automated external defibrillators (AED)
  • Glucose monitors and insulin pumps
  • MRI machines and PET/CT scanners
  • Digital medical imaging algorithms for X-ray and ultrasound
  • Hearing aids and cochlear implants
  • Functional e-stimulators, including spinal cord stimulators
  • Brain-computer interfaces and neurological sensing
  • In-vitro diagnostic equipment for laboratory specimen testing
  • Point-of-care testing (POCT) including blood gas systems
  • Vital sign monitoring devices (e.g., EKG and ECG)
  • Wearable computers and biomedical ensor networks 
  • Ventilators and life support equipment
  • Bedside and ambulatory infusion pumps
  • Robotic surgical systems

Barr Group's software experts are familiar with all of the operating systems used in medical devices, including real-time operating systems like VxWorks and QNX as well as Windows, and all programming languages for embedded systems such as 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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Medical Device Expert Witness Services

Barr Group's medical device software 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 malfunction reconstruction
  • Comparison to FDA 510(k) and medical-industry safety standards
  • 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:

Medical Devices
Full Title: 
Experts in Medical Devices and Bio-Sensing

Image and Facial Recognition Expert Profile

Professor of electrical and microelectronic engineering with over thirty years of combined academic, industrial and consulting experience in the fields of computer vision and digital image and video processing. Created and taught a range of academic courses, conducted research on industry and government grants, and served in conference and academic committees. Developed and conducted training for engineering personnel in the areas of signal and image processing, color engineering, and control systems with a distinct focus on digital front ends and print engines.

Video Games & Casino Gaming Expert Profile

Independent software and computer engineering consultant with more than twenty-five years of experience in systems for gaming and gambling. Following from an earlier decade of hands-on experience in the design of electronics and software for various other types of products, has developed specialized expertise in the design and analysis of casino games.

Battery Design & Testing Expert Profile

Experienced electrochemist, consultant, and adjunct professor of materials science and engineering. Has extensive experience in research and industry for battery electronics, including new product development, manufacturing and testing, applications engineering, as well as battery system design.

Battery Failure Electrochemistry Expert Profile

Chemist and consultant with four decades of experience in the area of electrochemical energy related devices, including batteries, capacitors, fuel cells, electrolysis and corrosion. Has significant expertise in laptop, cell phone, and e-cigarette batteries, electric vehicles, and other applications of electrochemical energy storage. Expert working knowledge of electronics and laboratory instrumentation as applied to the testing of batteries, chargers, and battery-powered devices.

Satellite & Cellular Base Station Expert Profile

Independent engineering consultant specializing in wireless cellular mobile technology and real-time embedded software development.

Haptic Input & Virtual Reality Expert Profile

Professor of engineering with decades of experience developing novel technologies and expertise in virtual reality, streaming multimedia, image processing and computer vision, artificial intelligence, and robotics.

Medical Image Processing Expert Profile

Research scientist and independent consultant with a Ph.D. in electrical engineering and specialized expertise in signal, image, video, and content processing and data compression.

Nanoelectronic & MEMS Sensors Expert Profile

Professor of electrical and computer engineering with decades of experience at the forefront of the design and fabrication of microelectromechanical systems (MEMS) and nanoelectronic devices.

Distributed Sensor Networks Expert Profile

Professor of computer science with specialized expertise in network quality of service, routing, and visualization as well as remote sensing.

FDA Medical Software Quality Expert Profile

Former director of software engineering and independent consultant with deep experience in the medical products and telecommunications industries and FDA 510(k), ISO-13485, and IEC-62304 compliant software quality systems.


Expert D420S

Registered Professional Engineer (PE) with several decades of hands-on industry experience...

Expert Z261T

Chemist and consultant with four decades of experience in the area of electrochemical energy...

Expert S425N

Electrical engineer and expert in battery and power electronics technology with special...

Expert V534K

Experienced electrochemist, consultant, and adjunct professor of materials science and...

Expert Y520K

Professor of electrical and computer engineering with decades of experience at the forefront of...

Expert J525N

Experienced computer engineer and corporate information technology leader with a successful...

Expert J520S

Independent engineering consultant in the design of both electronics and software with a formal...

Expert S530O

Electrical engineer with extensive electronics and software product development experience...

Expert E235M

Consultant and former computer science instructor who has written more than two dozen books and...

Expert S160B

Professor of electrical and microelectronic engineering with over thirty years of combined...


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