Lighting Expert Witnesses

What is a lighting expert witness?
Lighting expert witness candidates are typically licensed professional engineers with a background in electrical engineering, illuminating engineering, human factors, mechanical engineering, and/or lighting design. Light emitting diodes (LED lighting) expert witnesses are in high demand has more homes and business utilize this newer, more efficient technology. The chosen expert may be a member of an industry organization such as the Illuminating Engineering Society of North America (IESNA), the International Association of Lighting Designers (IALD), Leadership in Energy and Environmental Design (LEED), or the National Council on Qualifications for the Lighting Professions (NCQLP).
What types of cases require a lighting expert witness?
Matters requiring lighting expert witness services can involve intellectual property, such as patent infringement, trade secrets, or industrial design rights. Personal injury, failure analysis, motor vehicle accidents, and premises liability cases could also gain from the expertise of lighting specialist.
Lighting expert witness case examples
Representing a plaintiff or defendant, Cahn Litigation Services is often called on by leading law firms to locate expert witnesses that can support lighting matters. Exemplar cases include:
- electrocution accident investigation,
- parking lot lighting control systems,
- fire origin,
- Americans with Disabilities Act (ADA) conformance,
- failure analysis of automotive lighting and electrical systems,
- personal injury related to street lighting design,
- electrician Occupational Safety and Health Administration (OSHA) regulations,
- building codes, and
- light emitting diodes (LED) technology.
What litigation support work might a lighting expert witness be expected to perform?
Litigation support services could include forensic engineering, accident reconstruction, research and authoring expert reports, providing expert opinions, and expert testimony at deposition and in the courtroom. In addition, a law firm may request an electrical engineering expert for pre-litigation consulting work. In a high-profile case, or litigation involving a significant financial stake, the lead attorney may request a lighting industry specialist with prior expert witness testimony experience.
Cahn Litigation Services has the experience needed to turn an expert search around quickly. The firm has many years of experience providing the right expert candidate with the ideal balance of expertise and testimony experience.
Related Disciplines
Lighting Expert Witness - Representative Bios
Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.
The below expert witness bios represent a small fraction of those Lighting experts known by Cahn Litigation Services. These bios are provided to give lawyers a sense of the Lighting landscape.
Expert Witness #216502
This expert holds a PhD in Physics, is a registered U.S. Patent Agent and was registered as a Professional Engineer. As Vice President of Technology (Hardware and Systems), this expert leads a highly successful consultancy as a patent consultant and testifying technical expert witness in patent litigation with broad IP asset technical and commercial analysis experience. This expert has analyzed hundreds of patents and patent applications for technical breadth and applicability, validity risk, infringement risk, design alternatives and commercial valuation as a consultant and testifying expert witness. This expert's perspective is rooted in over two decades of product and technology development and manufacturing experience.
This expert has been issued patents in high-speed electronic connectors, 3-D photolithography, laser scanning systems, LCD backlights, magnetic electrical connectors and LED lighting systems. The majority of these have been licensed. This expert has patents pending in magnetic connectors, solid-state lighting systems and consumer products. This expert is a Senior Member of both the IEEE and the Society of Manufacturing Engineers, and is a member of the Optical Society of America, AIPLA, Society for Imaging Science & Technology, a State Patent Law Association and a Technology Alliance Group. This expert is also involved the Intellectual Property Owners Association and the Licensing Executives Society.
Start Lighting Expert SearchExpert Witness #247514
This expert holds a PhD in Chemical Engineering and has made pioneering contributions to the field of wide band-gap semiconductors that use boron and nitrogen compounds. This expert's work involves optimizing crystal growth to produce large and high quality crystals with electrical properties that are suitable for micro devices. This expert's research has improved the materials that are the building blocks of a new generation of micro devices, revolutionizing communications, transportation, lighting, medicine and consumer applications. This expert has studied silicon carbide crystal growth extensively, adopting procedures from that process to improve aluminum nitride crystal growth. This expert is highly familiar with silicon carbide epitaxy (17 papers) and the electronic device applications of silicon carbide.
This expert leads a prolific research group whose work is focused on materials synthesis and characterization, and device fabrication. Applications for this expert's work include optical devices such as ultraviolet light emitting diodes and laser diodes, high speed transistors, radiation detectors, and nuclear to electrical power conversion devices. This expert has mentored more than two dozen advance-degree students, and is the recipient of multiple industry and academic awards. This expert has served as a manuscript reviewer for many journals, and a proposal reviewer for the National Science Foundation.
Start Lighting Expert SearchExpert Witness #262490
This expert is a lead lighting research scientist. This expert is currently the PI on projects investigating the impact of outdoor lighting on human health, the Spectral Effects of new light sources on roadways, the visibility of police vehicles and is the subject matter lead for an office Safety contract. This expert is also an Associate Professor in a School of Architecture and Design. This expert is the author of over 80 published papers on roadway lighting, photometry, and target visibility. This expert is involved in the International Commission on Illumination (CIE) and the Illuminating Engineering Society of North America.
This expert joined a lighting company as the manager of the Corporate Calibration and Standards Laboratory where this expert was responsible for the measurement and calibration of light sources. This expert has also worked as a luminaire designer, operations manager, and project engineer.
This expert designs lighting systems, primarily for roadways, using commercially available products. This expert determines how much light is on the road, the mounting specifications and longitudinal spacing. Once installed, this expert performs human factors testing looking at detection distances and visual performance issues. This expert has mounted and road tested most of the luminaires (~200 types) on a testing roadway.
This expert has extensive litigation experience including many depositions and one trial.
Start Lighting Expert SearchExpert Witness #262488
This expert brings to the table many years in the LED industry and leads a sought- after consultancy providing technical and market expertise. This expert is an industry expert in solid state lighting (SSL) with a strong technical background and understanding of market dynamics.
During a tenure with a leading LED manufacturer, this expert worked in product development of LEDs in all areas of the value chain from metalorganic chemical vapor deposition (MOCVD) and LED chip fabrication to LED package design and LED light fixture development. In addition to product development work, this expert has experience in winning and managing government research contracts including developing research strategies and managing technical and operational work on contracts and government relations.
This expert has also been working for the US Department of Energy as a technical advisor where this expert evaluates new technologies, writes technical roadmaps and reports, and plans a technical workshop.
This expert has authored and co-authored numerous scientific, peer-reviewed articles related to GaN semiconductors. This expert is an inventor on several US and foreign patents related to GaN-based LED and laser diode device design. This expert holds a Ph.D.
This expert has participated as an expert witness on several cases that included LED Lighting, LED Devises and LED Packages.
Start Lighting Expert SearchExpert Witness #262502
This expert is a Chief Engineer at a National Laboratory as well as a Professor. This expert’s expertise is in illumination engineering and applied lighting. As a result, this expert is highly familiar with LED lighting systems and installations for a wide range of end-uses. Additionally, this expert holds an Affiliate Professor appointment where research focuses on Lighting, illuminating engineering, light sources, color, daylighting, sustainability, building energy use, energy efficiency.
This expert has authored or coauthored more than 125 publications about light and lighting. This expert has won multiple awards, and is a Fellow of IES. This expert is also involved the International Association of Lighting Designers (IALD). This expert was an editor for a lighting handbook.
This expert is co-founder of an early-stage company formed to commercialize a light source technology that enhances colors at low light levels. The company is developing lighting solutions that create energy-efficient light at all levels of dimming, from full output to very low light levels.
This expert’s prior litigation experience includes a patent case on solid-state lighting products, street lighting systems, and as well as FTC and ICC LED Lighting products.
Start Lighting Expert SearchExpert Witness #266379
This expert has a background in electronics, software, and systems design. This expert’s career journey includes designing lab instrumentation, medical devices, smart battery systems, ultrasonic welding and cleaning, and semiconductors. This expert’s engineering consultancy worked in multiple industries with varied applications: including LED lighting, sensors and motor control, medical devices and consumer devices. Every job change has been an industry change: from lab instrumentation to medical devices, from ultrasonic plastics welding to smart batteries, from sensor design to semiconductors. This expert’s varied experiences and interests give a unique and valuable perspective on problem solving both technically and in business. This expert has spent most of a career in OEM product development, focused on embedded systems, experiencing the role of engineering in many different markets: from consumer electronics to industrial controls, from medical products to LED lighting, and much more. This expert is a named engineer on 5 patents and has done his masters work in Computer Science, holds a Six Sigma Black Belt, and is a certified Scrum Master.
Start Lighting Expert SearchExpert Witness #235556
This lighting technologies expert holds a Ph.D. and is internationally recognized for work involving light sources and lighting technologies. This expert has expertise in technology development, business strategy, product design, testing, standards, regulatory compliance, civil and intellectual property litigation, and technology investments, with particular experience involving LEDs, lasers, other light sources, and lighting applications including automotive lighting, general illumination, therapeutic lighting, horticultural lighting, displays, and related areas. Before starting a consulting company, this expert held a director-level role focused on regulations and emerging technologies at a semiconductor lighting company and technical roles at automotive lighting and automotive manufacturers.
This expert is experienced as an expert witness in intellectual property, product safety, and quality disputes. This expert has worked on expert declarations, depositions, and court testimony in matters involving inter partes review, the International Trade Commission (ITC), and federal courts, including matters concerning LEDs, lasers, and lighting applications.
This expert holds a Ph.D. in Electrical Engineering from a prestigious university, an M.S. degree in Applied Physics, and a B.S. degree in Mechanical Engineering. This expert is a named inventor on over 5 U.S. patents, has given numerous invited presentations, and has contributed to over 50 technical papers, over 15 books, and magazine articles. This expert is a fellow of an automotive engineering association, a Senior Member of a prominent optics and photonics organization, and has received multiple industry awards.
Start Lighting Expert SearchExpert Witness #250548
This product design expert is a PE and Mechanical Engineer with expertise in product design and development, patent infringement, and expert testimony.
This expert has worked with, designed, invented, and aided in the manufacturing of medical and consumer products for many years. This expert has been involved in intellectual property, design patent, product liability, class action, and personal injury matters, and has decades of design experience. This expert has substantial familiarity with LED products and has designed LED systems for landscape lighting, signaling devices, and other applications.
Start Lighting Expert SearchExpert Witness #254747
This automotive designer expert is a design consulting founder and senior automotive design leader with experience focused on automotive and EV design, including consulting for a number of EV companies and serving in design leadership for a solar/EV vehicle company.
This expert attended a prestigious design college in California and graduated with honors before being selected by a major European automotive manufacturer for a new North American design studio, the manufacturer's first design studio outside its headquarters. This expert's early work established a reputation as an innovative and conscientious automotive designer.
This expert later worked with other major automotive manufacturers and helped contribute to the finished design of a high-performance sports car.
Fueled by this success, this expert established a design studio focused on design-driven vehicle design, design consulting, and product portfolio consultation. Clients have included international auto manufacturers, start-up vehicle companies, major after-market accessory suppliers, and power-sports companies. This expert also serves in a senior design leadership role for a solar/EV vehicle company.
This expert's experience with lighting includes concept development from aesthetic to functional design, including shape development, packaging, and Color/Material/Finish selection.
Functional design experience includes ensuring adequate illumination across vehicle lighting layouts, including head and tail lamps, side markers and turn indicators, interior lighting, and reflective areas sometimes built into a lamp module.
Engineering requirements experience includes selecting appropriate materials that can withstand environmental conditions such as temperature variations, UV exposure, and mechanical stress; considering manufacturing processes that can efficiently produce lighting elements; and ensuring that lamps integrate with vehicle systems, including electrical systems.
Legal requirements experience includes ensuring that FMVSS and other standards, including EU ECE regulations, are met, designing for homologation, and considering environmental regulations.
Prototype and testing experience includes work from mock-ups to samples as well as validation testing.
Collaboration experience includes working with in-house and supplier engineering resources to maintain design integrity.
DFM and final implementation experience includes Designing For Manufacturing while upholding aesthetics and manufacturing and legal requirements.
This expert has additionally served as a consultant and advisor to an international vehicle manufacturer and continues to work with automotive research and development organizations on advanced and production design products. Client work across OEM and other vehicle design categories demonstrates continued influence in automotive design. The design consulting business has operated for over 20 years.
Start Lighting Expert SearchExpert Witness #267440
This lighting R&D expert serves as a consulting Senior Technical Advisor to a federal energy department lighting R&D program through an internationally renowned consulting business. In this capacity, this expert manages R&D strategy, monitors funded R&D efforts, and evaluates new LED technologies and application understanding. This expert has worked with lighting R&D programs for over 10 years and with a federal public lands agency to develop lighting practices that preserve the natural ecosystem. This expert has evaluated numerous thermal management and integration concepts and related technologies for investors. As a consultant, this expert has designed and developed thermal management concepts for LED lighting, consulted on LED package-level thermal management concepts, and developed high-power LED lighting products that require advanced thermal management.
This expert holds a PhD in Materials Science, with thesis research on advanced LED device design and fabrication. This expert has served several times as an expert witness in LED lighting-related matters and has testifying experience involving LED lighting product performance, LED lighting and package patents, LED lighting reliability, and measurement and verification of installed lighting products.
Start Lighting Expert SearchExpert Witness #267463
This optoelectronics expert holds a PhD and is well regarded in the fields of optoelectronics, photonics electronics, and semiconductors.
This expert has considerable experience with Light Emitting Diodes (LEDs), displays including LCD, LED, and OLED technologies, optical polymers, solar cells, and lighting. This expert is a named inventor on over 230 U.S. patents and is a seasoned expert witness.
Start Lighting Expert SearchExpert Witness #274031
This lighting expert has performed lighting studies for government agencies, bars, restaurants, and events, including analyses of illuminance levels and lighting conditions. This expert has a broader background in videography, audio, and photography, and has experience evaluating lighting issues.
This expert can address local LUX ordinances and provide data on lighting levels and color temperatures, known as degrees kelvin.
Start Lighting Expert SearchExpert Witness #279721
This nighttime visibility expert has specific training in lighting, visibility, and human factors that informs accident reconstruction work. This expert has managed and conducted hundreds of live visibility tests throughout the U.S. in various conditions and climates, including low light, sun glare, obstructions, and inclement weather. This expert's testing has led to research projects and publications related to lighting and visibility.
Start Lighting Expert SearchExpert Witness #281470
Electrical Engineering Public Works Expert
This expert has a half-century of experience as an electrical engineer providing drawings for large public works projects. This expert has been a licensed electrical Contractor and a Licensed General engineering Contractor in California for over 50 years. Some of these include the Port of Oakland, the Livermore (CA) Airport expansion and other large projects requiring schematics for HVAC, lighting and in one case, for an explosion-proof fuel control. This expert has served as an expert witness multiple times, has provided testimony at depositions and trials.
Start Lighting Expert SearchExpert Witness #296187
This architectural lighting expert holds BS, FIES, and LC credentials and has over 30 years of experience in the lighting industry. The majority of this expert's work has focused on commercial architectural lighting design spanning thousands of designs. This expert provides expert witness services and remains actively engaged in lighting design, including current design trends.
Although this expert has expertise in both indoor and outdoor lighting, this expert's work has focused primarily on exterior lighting. This expert's portfolio includes exterior lighting for sports facilities, big box retailers, petroleum stations, automotive car dealerships, commercial properties, and temporary and permanent lot lighting.
This expert has served for many years as an instructor with a prominent lighting engineering society's street and area lighting conference. These courses address proper outdoor lighting design, light pollution and trespass, and environmental issues. This expert has also presented on EV charging and the lighting industry, including suggestions for EV charging lighting levels and methods. This expert received a lifetime service award from a street and area lighting conference.
Start Lighting Expert SearchExpert Witness #301349
This optoelectronics expert holds a PhD and is a photonics thought leader focused on LED lighting, laser diodes, wide bandgap semiconductors, and gallium nitride.
This expert created highly innovative LEDs for solid-state lighting and is the author of over 100 peer-reviewed publications, as well as an inventor with over 170 US patents granted.
This expert has testified on many occasions.
Start Lighting Expert SearchExpert Witness #302869
This outdoor lighting expert holds a PhD, is a Professional Engineer, and is a professor at a well-regarded university. This expert's work focuses on the evaluation and engineering of lighting systems for the built environment, including photometry, outdoor lighting measurements, and the application of IES guidance and code requirements to real installations.
This expert has performed numerous field assessments of exterior lighting systems, including sports fields and other outdoor sites, and is comfortable forming opinions based on site observations, measurements, document review, and industry standards and best practices. This expert is familiar with contemporary outdoor luminaires and control strategies, including practical approaches for reducing light trespass and urban sky glow while maintaining safety and functional performance.
Start Lighting Expert SearchExpert Witness #304012
This mobile device management and digital signage expert has a career spanning over 30 years in digital media and technology, with directly relevant experience as a senior executive and co-founder of a digital signage content management and advertising technology platform company built from startup through merger and liquidity event.
This expert built and led the development of a content management platform that managed thousands of digital signage displays deployed in retail, hospitality, and corporate environments nationwide. Hands-on experience includes specifying and procuring commercial-grade displays for diverse lighting environments, including retail settings with fluorescent and LED lighting where brightness specifications, including nit ratings, are critical to visibility and performance.
This expert led the development of mobile device management and remote monitoring capabilities, enabling real-time content delivery, remote diagnostics, firmware updates, and maintenance scheduling across large distributed screen networks. This expert also oversaw managed services operations responsible for field support, service call triage, and display lifecycle management.
This experience gives this expert direct technical and operational insight into display brightness specification compliance and the impact of third-party MDM services on a network operator's ability to manage and fulfill customer commitments.
Start Lighting Expert Search