Mechanical Design Expert Witnesses

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:

Who are Barr Group's Mechanical Design expert witnesses?

Barr Group's Mechanical Design expert witness roster holds 39 anonymized, prequalified profiles; a selection follows, and matched recommendations from the full roster are free to the attorney.

• Graphical User Interface and Usability Expert Witness. Barr Group's human factors and usability engineering expert witness has 44 years of experience in graphical user interface design and product ergonomics and has testified in over 75 major intellectual property cases.
• Electronic Vehicle Controls Expert Witness. Barr Group's automotive electronic subsystems expert witness has over forty years of industry experience in vehicle electrical and electronic architectures, power generation and distribution, smart and analog sensors, driver assistance and safety features, and mild hybrid dual voltage bus systems.
• Video Game Software and Console Development Expert Witness. Barr Group's video game software and console reverse-engineering expert witness has over four decades of experience in game system architecture and advergaming technology, and has been retained in patent infringement, copyright, trade secret, and contract matters.
• Medical Instrument and Microfluidics Design Expert Witness. Barr Group's medical device and microfluidics expert witness has more than 15 years of electromechanical product development experience, spanning lab-on-a-chip devices, medical robotics, finite element analysis, and manufacturing process design under FDA 510(k), ISO 13485, and IEC 60601.
• Battery Chemistry Expert Witness. Barr Group's battery and energy storage expert witness has more than thirty years of experience in battery, materials, and control system technology and has analyzed catastrophic battery system failures to determine root causes and cascading failure modes.
• Vehicle Crashworthiness and Structures Expert Witness. Barr Group's vehicle crashworthiness and structural design expert witness has decades of original equipment manufacturer automotive experience across three major automakers and works on crash structure, chassis and suspension design, and full-vehicle finite element analysis with LS-DYNA and ANSYS.
• Biomechanics and Injury Analysis Expert Witness. Barr Group's biomechanics and kinematics expert witness holds a Ph.D. in biomedical engineering and works on injury causation, accident reconstruction including vehicular and motorcycle occupant kinematics, rehabilitation and assistive technology, medical device design, robotics, and product failure analysis.
• Ventilator and Respiratory Device Design Expert Witness. Barr Group's medical ventilator and respiratory device expert witness has more than two decades of experience in ventilator, CPAP, and exhalation valve design and FDA, IEC 60601, and ISO 13485 compliance, and has testified in multiple patent infringement lawsuits.
• Electronics Cooling and Thermal Management Expert Witness. Barr Group's electronics cooling and thermal management expert witness has over 38 years of research experience in mini-channel and micro-channel cooling, two-phase refrigerant and liquid immersion cooling, and computational fluid dynamics for high-performance electronics.
• Thermal Management and Electronics Cooling Expert Witness. Barr Group's electronics thermal management expert witness has over a decade of industry experience designing cooling systems, with deep expertise in two-phase immersion cooling, cryogenic techniques, thermal interfaces, boiling heat transfer, and packaging solutions.