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Barr Group's mechanical engineering and mechatronics expert witnesses consult with attorneys in litigation.  Our experts in mechanical design and related technologies have hands-on experience designing from simple enclosures to complex machinery.  Barr Group experts have testified in high-profile bench and jury trials.

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Mechanical Systems

Mechanical engineering and machine design are important across a wide range industries, with practical applications ranging from automotive design to industrial automation and manufacturing. As well, thermal management is an important area for technological innovation with todays' super-powered electronics and overheating data centers, including for cryptocurrency mining. Barr Group's team of expert mechanical engineers and industrial engineers is deeply experienced with mechanical design including:

  • Rapid prototyping and 3D printing
  • Electronic connectors and semiconductor packaging
  • Industrial robotics and automation systems
  • Mechatronics (i.e., integrated mechanical-electrical systems)
  • Gearing and other energy transfer systems
  • Thermal management and thermal analysis
  • Liquid-immersion cooling and cold plates
  • Data center heat management and cooling systems
  • HVAC (heating, ventilation, and air conditioning) systems
  • Wind turbines and generators
  • Fluid systems design

Barr Group's experts are familiar with the specialized software platforms used for mechanical design, such as SolidWorks, AutoCAD, ANSYS, and Siemens NX, along with the MATLAB programming language.  Our mechanical engineering experts are just as comfortable reviewing manufacturing processes as product development lifecycles (including PLM tools). They are also well-versed in meeting a range of design criteria and designing for optimal performance and reliability.

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Expert Witness Services

Barr Group's mechanical design experts support plaintiffs and defendants in litigation in U.S. District Courts and State Courts, at the International Trade Commission (ITC), and before the Patent Trial and Appeal Board (PTAB) as well as in arbitration. Our services include:

  • Technical assistance with drafting of discovery requests
  • Computational Fluid Dynamics (CFD)
  • Finite Element Analysis (FEA)
  • Structural and stress analysis
  • Prior art review for patent invalidity
  • Reverse engineering, including disassembly of complex systems
  • Expert reports, declarations, and witness statements
  • Testimony at deposition, oral hearings, and trials

Our experience with mechanical engineering and mechatronics is extensive and includes expert testimony in patent and trade secrets litigation.

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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:

Mechanical Design Expert Witness List

The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:

Human factors engineering professional with 44 years of experience in usability science, graphica

Professor of computer science with over 30 years of academic and research experience in GPU-based

Semiconductor packaging engineer with over 40 years of expertise in flip chip bumping, wafer-leve

Licensed electrical engineer with over 20 years of specialized expertise in fiber optic communica

Professor of mechanical engineering and endowed chair holder in energy technology with over 38 ye

Chemical engineering expert and leading authority on polymer membrane design and synthesis for el

Senior industrial designer and mechanical engineer with over three decades of experience bringing

Managing director with deep expertise in crystalline semiconductor coatings and optical cavity sy

Professor of Biomedical Engineering with 17 years of experience in computational modeling of card

A senior materials scientist and engineer with over two decades of research faculty experience at