Why attorneys choose Barr Group
- Hands-on engineering depth. Our experts have designed and tested real products, so they can explain a failure mode or a design choice in plain language.
- Courtroom-ready. We field experts who testify for plaintiffs and defendants and whose opinions withstand Daubert scrutiny.
- One call, the whole bench. Barr Group brokers experts across every technical field, so a single conversation can cover a multidisciplinary case.
- No cost to you. Our search, consultation, and recommendation are always free and confidential.
Litigation we support
- Patent infringement and invalidity
- Product liability and failure analysis
- Forensic and laboratory analysis
Areas of expertise we cover
Our materials and engineering experts span the mechanical, optical, and energy technologies most often at issue in these matters:
- Mechanical Design and Mechatronics expert witnesses
- Optical Equipment expert witnesses
- Renewable Energy and Battery expert witnesses
Get a no-cost recommendation
Tell us about your case and we will recommend the right materials or engineering expert witness, at no cost and in confidence. Tell us about your case.
Materials & Engineering Expert Witness List
The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:
Senior-level electronic engineering professional with a Ph.D. in Electrical Engineering and over two decades of hands-on experience designing power electronics…
Senior engineering leader with over 20 years of expertise in power electronics, microgrid energy management, and advanced electric drive systems, with…
Distinguished optoelectronics expert with over 40 years of industry experience in photonic integrated circuits, electro-optic polymer modulators, semiconductor…
Professor of electrical and computer engineering with 28 years of experience in optical networking, wavelength division multiplexing (WDM), and optical transport…
Associate Professor and Associate Physicist with over 15 years of specialized experience in optical coherence tomography (OCT) and optical frequency domain…
Professor of Physics & Astronomy and Biomedical Engineering with over 15 years of leadership in advanced biomedical optical imaging. This expert specializes…
Senior optical engineer with nearly two decades of specialized experience designing advanced ophthalmic and medical imaging optical systems, with particular…
Expert in OLED device physics and electroluminescent display stability, this specialist brings over 18 years of deep technical experience in device fabrication,…
Senior engineer with over 25 years of leadership experience specializing in NERC cyber security standards compliance, FERC reliability regulations, and electric…
This expert is a physics professor and internationally recognized authority on carbon nanotube, organic electronic, and nanocomposite materials science, and is a…