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
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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:
Barr Group's power electronics expert witness has over two decades of experience designing switch-mode power supplies, wide-bandgap semiconductor converters, and…
Barr Group's power electronics expert witness has over 20 years of experience in microgrid energy management and electric drive systems, including battery energy…
Barr Group's optoelectronics expert witness has over 40 years of industry experience in photonic integrated circuits, electro-optic polymer modulators,…
Barr Group's optical networking and wavelength division multiplexing expert witness has 28 years of experience in optical transport systems design, network…
Barr Group's optical coherence tomography expert witness has over 15 years of specialized experience in OCT and optical frequency domain imaging, including…
Barr Group's optical coherence tomography expert witness has over 15 years of experience in advanced biomedical optical imaging, including tissue biomechanics…
Barr Group's scanning laser ophthalmoscope and optical coherence tomography expert witness has nearly two decades of ophthalmic and medical imaging optical…
Barr Group's OLED device physics and electroluminescent display stability expert witness has over 18 years of experience in device fabrication, characterization,…
Barr Group's NERC cyber security compliance expert witness has over 25 years of leadership experience across electric utility grid operations, SCADA,…
Barr Group's carbon nanotube, organic electronics, and nanocomposite materials science expert witness is a physics professor and society fellow retained multiple…