Skip to main content

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

Areas of expertise we cover

Our materials and engineering experts span the mechanical, optical, and energy technologies most often at issue in these matters:

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:

Expert B260R

Barr Group's nanoscale semiconductor device physics expert witness has over four decades of research and development experience spanning MOSFET device scaling,…

Expert W640Y

Barr Group's microfluidics expert witness has over 25 years of experience in microfluidic flow diagnostics, particle image velocimetry, and micro- and nanoscale…

Expert S326R

Barr Group's additive manufacturing expert witness specializes in powder bed fusion, electron beam melting, laser engineered net shaping, and melt-pool…

Expert S536A

Barr Group's medical device and microfluidics expert witness has more than 15 years of electromechanical product development experience, spanning lab-on-a-chip…

Expert K520K

Barr Group's medical device embedded systems expert witness has nearly 30 years of experience designing and validating FDA-regulated, safety-critical real-time…

Expert M263T

Barr Group's medical device embedded software expert witness has over 25 years of experience developing real-time operating systems, safety-critical firmware,…

Expert P654L

Barr Group's mechanical failure analysis and forensic engineering expert witness has more than 40 years of experience in FEA, fatigue and fracture mechanics,…

Expert K520Y

Barr Group's battery systems expert witness has over 25 years of experience in lithium-ion battery pack design, battery management systems, and electric vehicle…

Expert S500O

Barr Group's fiber laser expert witness has three decades of experience in diode-pumped fiber laser design, variable beam parameter control, and laser material…

Expert V524L

Barr Group's medical device failure analysis expert witness specializes in metal-on-metal hip implant wear, has supported roughly 100 medical device cases and…