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Barr Group's team of internationally recognized engineers provide expert witness and testimony services for attorneys involved in litigation cases related to complex electronic and software technologies.  Experts in the fields of electronic hardware design, software architecture and design, and computer security, our expert witness team provides the following services for many high-profile cases in the automotive electronics, medical devices, IoT, telecommunications and consumer electronics industries:

  • Technical Consulting
  • Electronic Hardware and Software Failure Analysis
  • Expert Reports
  • Testimony for Hearings, Depositions, Bench and Jury Trials

Barr Group's technology experts have been presented and have been presented and contributed to many notable industry conferences and publications.

Sample Case Portfolio

For a complete list of cases supported by Barr Group, contact

Product Liability Expert Witness Services

  • Toyota Unintended Acceleration Litigation
    Automotive Electronics Product Liability
    Jurisdiction:  U.S. District Courts for Southern Central California; U.S. District Court for the Central District; Circuit Court of Michigan;  District Courts in Oklahoma
    Services Provided:  Software Code Analysis, Expert Reports, Deposition and Jury Trial Testimony

    In this product liability case, a multi-disciplinary team from Barr Group worked together to examine engine control software and related electronics used in millions of Toyota vehicles. Barr Group's team documented its findings in an expert report of more than 700 pages, and lead experts provided deposition testimony in associated product liability litigation.  
  • Baxter Healthcare v. Fresenius
    Medical Infusion Pump Product Liability, Software Quality
    Jurisdiction:  U.S. District Court for Northern California
    Services Provided: Software Code Review, Expert Reports and Deposition Testimony

Computer Security Expert Witness Services

  • EchoStar v. NDS Group
    Satellite TV Security
    Jurisdiction:  U.S. District Court for Southern Central California
    Services Provided: Forensic Testing and Analysis, Electronics Reverse Engineering, Expert Reports, Deposition and Jury Trial Testimony
  • EchoStar v. Freetech and EchoStar v. nFusion
    Satellite TV Security
    Jurisdiction:  U.S. District Courts in California and New Jersey
    Services Provided: Electronics Reverse Engineering, Software Code Review, Expert Reports
  • Videotron v. Bell ExpressVu
    Satellite TV Security
    Jurisdiction:  Quebec Superior Court, Canada
    Services Provided: Expert Reports, Bench Trial Testimony

Intellectual Property, Patent and Copyright Expert Witness Services

  • CCP Systems v. Samsung
    Printer Software Copyright Infringement 
    Jurisdiciton:  U.S. District Court for New Jersey
    Services Provided:  Software Code Review, Expert Reports, Bench Trial and Deposition Testimony
  • SmartPhone Technologies v. RIM, Apple, LG and AT&T
    SmartPhone Technologies v. ZTE
    Smartphone Patent Infringement
    Jurisdiction:  U.S. District Court for Eastern Texas
    Services Provided:  Forensic Testing and Analysis, Expert Reports, Deposition Testimony
  • Antonick v. Electronic Arts
    Video Game Software Copyright Infringement, Trade Secrets
    Jurisdiction:  U.S. District Court in Northern California
    Services Provided:  Software Code Review, Deposition and Jury Testimony

Representative Experts

The following Barr Group engineering staff are key members of our Testifying Witness practice group with a range of technical skills that is representative of the overall team.

Chief Technical Officer
Principal Engineer
Principal Engineer
Principal Engineer