Electronics Expert Witnesses in California
The SEAK Expert Witness Directory contains a comprehensive list of electronics expert witnesses who testify, consult and provide litigation support on electronics and related issues. Electronics expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, and provide expert witness testimony at deposition and trial. The issues and subjects these electronics expert witnesses testify regarding may include: Electronics, Asic, Digital Design, Embedded Systems, Patent, Power Management, Product Liability, Purchasing, Semiconductor, Semiconductors, Software, Aerospace, Analog Design, Analog Mixed Signal Design, and Analog Mixed Signal Verification.
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Rafael J Betancourt
Silicon Architect / Analog Mixed-signal Expert
Betasoft Consulting Inc.
Santa Clara , California
Electrical Engineering, Electronics
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Silicon Architect, Silicon Design, VLSI, ASIC, CMOS, Digital Design, Analog Design, Analog Mixed-signal Design, Analog Mixed-signal Verification, Semiconductor, Heterogeneous Integration, Chiplets, Silicon EDA, Power Management, Serial Interfaces, Die to Die Interfaces, Touch Sensing, LCD Display Drivers, Voltage Regulators, LED Driver
I specialize in Analog Mixed-signal (“AMS”) architecture, debugging, modeling, and verification. Have worked on 40+ analog/digital mixed-signal CMOS ICs, directly responsible for the design and mass production of over a billion units. Experienced in complete product lifecycle, from initial conception through design, verification, fabrication & testing. I have worked with many major clients in Silicon Valley and beyond to provide them with R&D engineering services and tools for AMS architecture, design, and verification of silicon integrated circuits.
I have deep knowledge in all aspects of digital ASIC, analog CMOS, mixed-signal and RFIC intellectual property and can assist your attorney in patent related projects including prior-art searches, patent claims analysis, review of patent applications, and litigation support as a subject matter expert. My IP consulting experience include:
• Analysis of utility patents for infringement, and reviewed technical documents to elucidate and e...
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David Chapman
Electronic Design Automation/Semiconductor Expert
San Jose, California
Intellectual Property, Electronics
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Software, Electronic Design Automation, EDA, Semiconductor, GDS, GDSII, OASIS
David Chapman is an experienced software developer who has written over 1,300,000 lines of code in C/C++ and other languages. He has written software for many areas of semiconductor electronic design automation: mask data preparation, design rule checking, circuit extraction, circuit delay characterization, logic synthesis, physical synthesis, placement, routing, Intellectual Property identification, and transistor level layout generation.
He has over 20 years of consulting experience and was the chair of the Consultants' Network of Silicon Valley in 2018-2019. He has 12 U.S. patents granted.
His expert witness work to date has focused on discovery/analysis of semiconductor layouts (GDS/GDSII, OASIS), especially for patent infringement. His sharp eyes plus his understanding of semiconductor processing and design tools mean that if it's there, he can find it.
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Christopher M Daft, PhD
Patents, Trade Secrets and Medical Devices
River Sonic Solutions, LLC
San Francisco, California
Intellectual Property, Medical Devices
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Imaging, Patent, Ultrasound, Electronics, Transducer, ASIC, MEMS, FDA, Signal Processing, Neuromodulation, Regulatory, Integrated Circuit, Semiconductors, Biometric Security, Wearable Biometrics, Tomography, Neural Networks, Artificial Intelligence, Wearable Medical Device, Product Liability
Award winning, Oxford Educated scientist whose areas of expertise include medical imaging, electronics, semiconductors, medical devices, sensors, MEMS, signal processing and image processing.
- 5 trial testimonies and 15 depositions.
- Litigation experience includes district court, ITC and PTAB matters.
- Extensive Intellectual Property experience including patent development, analysis, licensing, and litigation.
- Serial inventor holding 27 U.S. Patents with 20 applications pending.
- Diverse industry experience including multi-nationals such as GE, Medtronic, Fujifilm, Samsung and Siemens as well as several start-ups.
- Well published.
- Winner of grants from National Institute of Health and DARPA.
- Extensive international consulting experience.
- IEEE (Institute of Electrical and Electronic Engineers) Senior Member since 2004.
- Three years’ experience teaching electrical and computer engineering at the University of Illinois.
Holds BA and MA in Physics from...
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David Schaafsma, PhD
Medical Diagnostics, Optics, Networks
California Optical Engineering, Inc.
Fallbrook, California
Medical Devices, Intellectual Property
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optics, electronics, software, medical device, diagnostics, medtech, biotech, optical networks, physics, optical materials, intellectual property
My company provides engineering consulting and product development services across the spectrum of entrepreneurs, small businesses, and large firms, as well as expert services. We are a network of skilled professionals with backgrounds including all engineering disciplines, science, manufacturing, regulatory affairs, and a wide range of others. We specialize in projects involving optics, electronics, software, and various aspects of materials physics, but have made happy customers in a broad range of endeavors.
As of 2025, I have served as an expert on more than 30 matters, have been deposed over 12 times, and have testified in District and Superior Court, as well as the ITC. My primary focus has been in intellectual property, but I have experience in personal injury and product liability cases as well. I was also an adjunct professor of Applied Physics at Cal State San Marcos for over 16 years, teaching electronics, optics, embedded programming, and physics. I have worked i...
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Bert Schiettecatte, MSc/CS, MA/MST
Expert Witness – Software & Hardware Systems
Noisetron LLC
Los Angeles, California
Software Engineering, Electronics
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Audio, video, digital signal processing (DSP), source code review, software forensics, embedded systems, firmware, C/C++, IoT, Linux, operating systems, open source software, computer vision, computer graphics, USB, network protocols, wireless technology, sensors, smart devices, user interfaces
Expert Witness Experience
Consulting and testifying expert in software, hardware, and electronics-related litigation
Casework includes patent litigation, trade secret misappropriation, breach of contract, and breach of implied warranty
Deposed and testified in 2 cases within the past 4 years
Over 20 years of experience in software/hardware engineering; expert witness since 2021
Skilled in source code review, computer forensic analysis, reverse engineering, and early case assessment
Expert witness references available upon request
Technical & Industry Expertise
Hands-on development in C, C++, Java, JavaScript, PHP, Perl, and related technologies
Architected software for desktop, mobile, embedded, and server platforms
Developed proprietary trading systems for crypto and futures markets; experience as algorithmic trader
Designed and shipped award-winning DSP- and firmware-based audio and wireless consumer electronics
Deep expertise in operating systems (Linux, Windows, macOS), open-...
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Donald Alpert, PhD
Camelback Computer Architecture, LLC
Los Altos, California
Computers, Electronics
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Computer Architecture, Computer Systems, Personal Computers, Embedded Systems, Memory Systems, I/O Systems, Microprocessors, Instruction Sets, Media Processing, Power Management, Digital Design, Semiconductors
Donald Alpert, Ph.D. has over 40 years experience in the electronics industry leading the development of microprocessor and computer products at Intel, National Semiconductor, and Zilog. Over the past decade he has served as an expert on dozens of patent litigation cases, handling claim construction, infringement, and invalidity issues. Dr. Alpert has worked as a consulting and testifying expert assisting attorneys representing major high-tech corporations in Federal Court cases, International Trade Commission investigations, and Patent Trial and Appeal Board Inter-Partes reviews. Dr. Alpert also consults to assess patents for acquisition and pre-litigation review.
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Rosemary Coates, MBA
Chinese Manufacturing and Global Supply Chains
Blue Silk Consulting
Los Gatos, California
Manufacturing, Procurement/Purchasing
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Chinese Products, Chinese Imports, Counterfeit Imports, Chinese Manufacturing, Electronics, Purchasing, Inventory, Warehousing, Supply Chain, Manufacturing, ERP systems implementations
China Manufacturing expert specializing in global supply chain sourcing, planning, production, logistics, import/export. Licensed US Customs Broker. Author of five books on global supply chain management including Amazon Best Seller "42 Rules for Sourcing and Manufacturing in China."
Ms. Coates is a seasoned executive and MBA, with over 30 years of experience in industry and consulting. She has worked on legal cases for the past 10 years, writing reports, giving depositions and testifying at trial.
Her expertise is in global supply chains operations and software implementation including SAP and Oracle.
Her legal work includes a variety of supply chain, import/export, and IT systems cases and issues including contract disputes, product defects, failed systems projects and patent infringement.
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Madhu S Gupta, Ph. D.
RF and Wireless Communication Technology
SMG International
Long Beach, California
Electronics, Telecommunications
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RF and Microwave Technology, Microwave Electronics, Radio Frequency Devices, RF and Analog Circuits, Integrated Circuits, Microelectronics, RF and microwave packaging, Electronic Instrumentation, Radio Frequency Signals, Electromagnetic Fields, Radio receivers, Wireless Communication
Dr. Madhu S. Gupta
Professor
RF Communcation Systems Industry Chair
Professor of Electrical Engineering
Director of the Communication Systems and Signal Processing Institute
Emeritus Chaired Professor of Electrical and Computer Engineering at San Diego State University, and Emeritus Adjunct Professor at UC San Diego; past faculty member at MIT, University of Illinois, and Head of the Department at Florida State University. Also experience of industrial work as Senior Engineer and Manager at Hughes Aircraft Company. Made significant contributions to the advancement of RF and microwave engineering field.
Researcher and author of over hundred papers, and patent disclosures, patent holder.
Past Editor of two journals and three books, and Past President of an IEEE Society in the field of expertise.
Taught wireless communications and RF engineering courses to graduate students (at the university), and to professional engineers (in industry).
Received multiple awards for o...
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Russell C Carroll, PE, MSEE
Electrical/Electronic Engineering Expert Witness
EMI Sleuth
El Segundo, California
Electrical Engineering, Electronics
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Lightning, Product Liability, EMI/EMC Consulting, Electrocutions, Code Compliance, Electrical Fires, Aerospace, Equipment Malfunctions, Electromagnetics
Russell Carroll is an expert in electrical engineering and electronic product design. He consults on electromagnetic compliance for product design with a focus on safety for electrical shock and fire following the National Electric Code and the IEC/UL product safety standards. He has performed forensic engineering investigations including electrocutions, automotive fires, industrial electrical fires, shipping damage to electronics, and product damage to lightning. He has over ten years of electrical engineering experience including electrical generation facility engineering, electronic design for products used in critical industrial and commercial facilities, nuclear and radiation effects testing of electronics, and advanced electromagnetic effects design for space satellites. He is a registered professional engineer in California, a senior member of the IEEE, an active member of the IEEE Electromagnetic Compatibility society, and a certified iNARTE electromagnetic compatibility eng...
You can also find Electronics Expert Witnesses in:
California, Colorado, Florida, Georgia, Maryland, New York, Oklahoma, Pennsylvania, and Texas