Electronics Design Experts

Barr Group's electronic circuits and semiconductor experts are senior-level engineers to PhDs with hands-on experience designing analog and digital circuits and ICs. 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 team of electrical engineering experts is intimately familiar with the design of electronics 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 experts 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

Video Encoding and Streaming Expert Profile

PhD electrical engineer and data communications expert with three decades of professional industry and research experience in areas such as video encoding and imaging technologies, digital signal processing (DSP), lossless data compression, and computer security. Areas of specialized technical expertise also include Amazon AWS and other cloud computing platforms.

Optical Systems and Interfaces Expert Profile

Physicist with over three decades of industry experience and a prolific innovator in electro-optical systems who invented a new type of optical microscopy, co-invented solid immersion microscopy, designed the first commercial atomic and magnetic force microscope, and invented a laser noise canceller. Has specialized technical expertise in analog circuit design, low noise circuits, optical systems, instruments, and measurements, interferometry, ultrasensitive measurements, and silicon photonics.

High-Performance Computing Expert Profile

Professor of electrical and computer engineering and expert in architectural paradigms and technologies for high-performance computing and distributed computing. Research spans a range of areas from semiconductor design to compilers and database systems. Has organized workshops on graphics processors (GPUs) and computer security as well as binary translation and profiling.

Lithium Battery & Ultracapacitor Expert Profile

Chemist and portable power expert with thirty years of industry experience in the fields of lithium batteries and ultracapacitor technologies including management of the team that first commercialized lithium-ion battery technology in North America. Has worked at the leading edge of battery and supercapacitor technology throughout his career, having led battery R&D as well as testing and application engineering organizations.

Analog and Digital Electronics Expert Profile

Electronics and computer science expert with more than twenty-five years of hands-on experience analyzing, designing, and implementing real-time systems for commercial, industrial, and military applications. Has been chief architect or technical lead on numerous projects covering all aspects of the architecture and development of electronics (including circuit boards and FPGAs), embedded software, network and communication protocols, and graphical user interfaces.

Fault Tolerant Computing Expert Profile

Electrical and computer engineering professor with decades of experience in computer architecture and design who has been recognized as one of the top innovators in the first half century of the history of computing. Has specialized technical expertise in bio-robotics, medical devices, actuators, mechatronics, fault tolerant computing, processor cache and memory design, high speed networks, storage subsystems, and system performance evaluation.

DSP and Data Compression Expert Profile

Consultant and professor of electrical and computer engineering who is a named inventor on about twenty issued U.S. patents on digital signal processing (DSP) and digital receiver technologies. Teaches university courses in DSP and communication systems and writes and speaks throughout the world on applications of DSP. Also consults in advanced DSP-based communications systems.

Global Positioning Systems Expert Profile

Electrical engineer with substantial design experience in the fields of GPS and navigation systems, digital signal processing, semiconductors, image processing, and software-defined radio for airborne and ground-based systems and devices in the military, agricultural, industrial, and other markets. Experience includes technical team and architectural leadership for multiple product launches.

ASIC FPGA SoC Chip Design Expert Profile

Electrical engineer and computer scientist with extensive technical skills in both digital electronics and software and a track record of delivering successful silicon and system designs. Has designed and verified a variety of semiconductors including System-on-Chips (SoC), ASICs, and FPGAs. Specialized technical expertise includes memory controllers (SDRAM, DDR), high-speed communication interfaces (PCIe, SATA, USB), wireless devices, and other processor peripherals.

Medical Device Software Safety Expert Profile

Consultant certified in regulatory requirements for medical with more than twenty-five years of experience in the field of medical device firmware and software design. Specialist in safety-critical product development who has developed software as well as technical and regulatory documentation for a range of medical products under all FDA levels of concern and IEC 62304 classes. Has participated in several software submissions and inspections before the FDA and EU notified bodies. Also an inventor of technologies in the field of electronic program guides for TV set-top boxes.


Expert S416N

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

Expert M242N

Professor of electrical and computer engineering and robotics with more

Expert S425N

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

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...

Expert E235M

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

Expert H620S

Consultant and professor of electrical and computer engineering who is a named inventor on about...

Expert N120K

Electrical engineer and computer scientist with extensive technical skills in

Expert W550N

Engineer with over thirty-five years of experience designing electronics and software for...


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