Electronics Design Experts

Barr Group's electronics expert witnesses are senior-level engineers to PhDs with hands-on experience designing analog and digital circuits and semiconductors. Our expert witnesses assist attorneys in the reverse engineering of electronic circuitry and analysis of chip designs for patent infringement and other litigation.

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Electronic Circuits and Semiconductors

Barr Group is in the business of designing reliable and secure computers and our electrical engineering experts are intimately familiar with the design of electrical circuits such as:

  • Analog and digital electronics, including antennas
  • Nonvolatile memories (NAND/NOR Flash) and caches
  • Light-Emitting Diodes (LEDs) and other displays
  • Printed Circuit Boards (PCBs)
  • Field Programmable Gate Arrays (FPGAs) and CPLDs
  • Application-Specific Integrated Circuits (ASICs)
  • System-on-a-Chip (Soc) and multi-chip modules (MCM)
  • Wafer manufacturing processes and IC packaging
  • Microprocessor/microcontroller/CPU design
  • Digital Signal Processor (DSP) design and filtering
  • Graphics Processing Unit (GPU) design
  • Microcode and instruction set architecture design
  • High-level language compiler development
  • Multiprocessing and parallel programming

Barr Group's electronics expert witnesses are familiar with all of the tools used to design and test circuits and semiconductors, from hardware description languages like Verilog and VHDL to simulation tools like SPICE/HSPICE. We are as equally skilled with electronic design automation platforms as with schematic capture, register transfer logic, and assembly language code.

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Expert Witness Services

Barr Group's electronics 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
  • Analysis of electronics and related design documents
  • Prior art review of electronics patents for invalidity
  • Evaluation of semiconductor-IP such as trade secrets
  • System performance benchmarking and evaluation
  • Reverse engineering, including disassembly of binary code
  • 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 team members 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:

Electronic Circuits
Full Title: 
Experts in Electronic Circuits

Satellite & Cellular Base Station Expert Profile

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

Cellular Wireless Air Interface Expert Profile

Professor of electrical engineering and computer science with decades of R&D experience in communications networks and wireless signal detection and estimation.

Aircraft Avionics Software Expert Profile

FAA-certified Designated Engineering Representative (DER), flight instructor, and commercial pilot and former director of engineering and chief software architect for next generation cockpit flight displays.

Drone & UAV Navigation Expert Profile

USAF Academy researcher in image processing and GPS-denied navigation with decades of experience in control systems design and DSP algorithms for applications including drone unmanned aerial vehicles (UAVs). 

Acoustics & Audio Processing Expert Profile

Professor of electrical engineering who has spent over two decades researching and inventing algorithms at the intersection of acoustics, digital signal processing, and machine learning.

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.

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.

Surveillance Camera Networks Expert Profile

Stanford-educated professor of electrical engineering and computer science whose career in industry began at AT&T Bell Labs and has specialized expertise in cyber-physical systems, IoT technologies, and computer vision.

Manufacturing Automated Test Expert Profile

Registered Professional Engineer (PE) with several decades of hands-on industry experience developing products and software for industrial, consumer, enterprise, military, and medical applications.


Expert S416N

Electronics and computer science expert with more than twenty-five years of hands-on experience...

Expert D420S

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

Expert S163T

Professor of electrical and computer engineering with over twenty-five years of experience in...

Expert M242N

Professor of electrical and computer engineering and robotics with more than a decade of...

Expert S425N

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

Expert Y520K

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

Expert M500N

Professor of electrical engineering and computer science with decades of R&D experience in...

Expert J520S

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

Expert K642K

Professor of electrical engineering with extensive experience as a technology industry...

Expert S530O

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


Don't see the right expert for your project among this subset?

Describe the perfect electronics expert for your case >

Case Study: Satellite TV Piracy

In its legal fight against signal pirates, DirecTV retained a team of Barr Group's to engage in thorough electronic circuit reverse engineering and device testing of over one hundred suspected piracy products. Barr Group experts testified that the majority of the accused products were designed for use in satellite TV piracy in several dozen cases that went to trial.

Read what judges and juries decided >