Barr Group's experts in embedded systems advise attorneys in class action and IP litigation. Our experts have hands-on experience designing products with electronics and firmware, including connected devices such as personal fitness monitors, WiFi security cameras, and smart home devices and have testified successfully in high-profile jury trials.
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Barr Group is in the business of designing reliable and secure computers and we have software engineers with hands-on experience designing a wide variety of mass-market Internet-connected products that network via 802.11 WiFi, RFID, NFC, Bluetooth (including BLE), Zigbee, cellular, and M2M. For example:
Barr Group's engineers are familiar with all of the major technologies used to design connected devices including the Google Cloud IoT, Amazon AWS IoT Core, and Microsoft Azure IoT frameworks, Linux and real-time (RTOS) operating systems, and also the programming languages that are used, such as assembly, C, and C++. And we are equally comfortable reviewing electronic circuits and schematic drawings.
Barr Group's connected device experts support plaintiffs and defendants in litigation in U.S. District Courts, at the International Trade Commission (ITC), and before the Patent Trial and Appeal Board (PTAB). Our services include:
Barr Group has a demonstrated ability to quickly activate one or more code reviewers to match the size, scope, and complexity of any project.
The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:
Wireless systems and distributed computing expert with over five years of active litigation experience spanning more than twenty patent cases. Deep technical expertise covers 5G/LTE core network architecture, radio access networks (RAN), URLLC systems, and wireless protocols including WiFi and Bluetooth. This expert combines advanced telecommunications knowledge with hands-on source code analysis and blockchain consensus mechanisms.
Professor of Computer Science with 25+ years of combined academic and industry experience specializing in real-time operating systems, embedded kernels, and resource management for safety-critical cyber-physical systems. Deep technical expertise spans kernel architecture, virtualization, real-time scheduling, hardware-software interaction, and platform integration. Applied experience deploying foundational systems in automotive, avionics, and IoT applications. Developer of Quest RTOS and Quest-V separation kernel systems.
Senior electrical engineer with over four decades of expertise in conditional access systems, digital rights management, and content security technologies. Specialized in broadcast encryption, consumer set-top box security systems, and symmetric-key management for content distribution. Named inventor on patents in encryption and key management systems. This expert has led executive-level security architecture initiatives and maintains an extensive testimony record, including 8 trials and over 45 depositions in conditional access and DRM patent matters.
Chartered engineer and world-recognized authority in FPGA architecture and System-on-Chip design for mission-critical aerospace, defense, and space applications, with over two decades of technical leadership. Key specializations include satellite payload systems, radiation-hardened electronics, space-qualified embedded systems, and systems engineering governance across multifunctional teams.
Electrical engineer with over 30 years' experience in embedded firmware architecture for safety-critical automotive and medical devices, specializing in real-time operating systems and hardware-software interfacing. This expert combines hands-on systems development with senior engineering leadership, having guided multiple products from concept through production. Key expertise includes firmware audits, embedded security assessments, and architecture consulting for defense electronics, medical devices, and industrial control systems.
Senior software engineer with 15+ years of hands-on expertise in embedded and distributed systems architecture, with specialization in hardware-level board support packages, embedded Linux drivers, and FPGA interface design. Deep proficiency in enterprise-scale Kubernetes platform deployment, PostgreSQL performance optimization, and real-time data collection systems. Holds an active U.S. government security clearance from extensive defense agency work and has served as a consulting expert in trade secrets litigation involving complex software architecture and source code analysis.
Senior software architect and technologist with over 30 years of industry experience specializing in interactive multimedia systems, haptic feedback technology, and museum exhibit platform design. This expert has held senior technical leadership roles including CTO, Director of Development, and Lead System Architect across museum technology, eLearning, gaming, telecommunications, and healthcare sectors. Deep expertise in multimedia CMS platforms, interactive exhibit design, and haptic integration systems for both cultural institutions and Fortune 500 companies.
Veteran firmware engineer with 35+ years of experience in storage systems architecture and embedded controller design. This expert specializes in hard disk drive controller firmware, SCSI and IDE/ATAPI interface protocols, read/write channel optimization, and servo system design.
Professor of Electrical Engineering with over 30 years of research and industry experience in wireless communications systems. This expert specializes in 5G and beyond-5G network design, cognitive radio systems, spectrum sharing technologies, and advanced wireless protocol optimization. Holds IEEE Fellow status with an extensive patent portfolio in OFDM, ultra-wideband, and RFID technologies. Recognized authority in wireless standards including IEEE 802.11, LTE, and 5G NR, bringing significant expert witness experience in telecommunications patent litigation.
Senior specialist in firmware reverse engineering and embedded systems vulnerability analysis with nearly two decades of hands-on expertise. Proficient in advanced reverse engineering frameworks including IDA Pro and Ghidra, with deep technical knowledge of multiple processor architectures (ARM, x86, PowerPC, Nios) and mobile platforms. Extensive background in defense and intelligence environments with expertise in anti-reversing techniques, exploit analysis, and vulnerability research. Holds an M.S.E.
Research engineer with three decades of technical leadership in wireless data compression, low-bandwidth network optimization, and embedded telecommunications systems. This expert combines specialized doctoral research on noise-tolerant compression protocols with extensive R&D experience at leading companies, contributing to cable modem, xDSL, and HPNA standards. As CTO and co-founder of multiple ventures, they have demonstrated entrepreneurial vision across wireless, IoT, and cloud infrastructure domains. They hold six issued U.S.
Analytical chemist and expert in energy storage systems and battery management, this expert brings over 33 years of industrial R&D and technical operations experience. Core specialties include lithium-ion and lead-acid battery investigations, electrochemical analysis, thermal runaway events, and forensic failure analysis. As founder and president of an independent battery consulting firm specializing in expert witness services, they have progressed from laboratory research through senior technical leadership roles, authoring industry reference works and holding multiple U.S.
Senior expert in automotive crash safety systems with over two decades of experience in restraint system design, airbag sensor algorithms, and vehicle diagnostics at major automotive manufacturers. Specializes in occupant detection sensing, crash pulse analysis, vehicle electrical architecture, and accident reconstruction. Holds advanced degrees in Electrical Engineering and Chemical Engineering, plus Juris Doctor and MBA, and is a Licensed Professional Engineer, Six Sigma Black Belt, and CISSP certified.
Forensic engineering expert with 45 years of electronic engineering experience specializing in electrical fire investigation, battery system failure analysis, and root cause determination of equipment damage. Technical expertise spans embedded microprocessor design, analog and digital circuit analysis, power supply engineering, and industrial control systems. Licensed Professional Engineer and Board Certified Diplomate Forensic Engineer with multiple patents in pyrotechnic control systems and advanced measurement technology.
Expert in mobile and web technology innovation with over 25 years of professional experience spanning telecommunications systems, mobile browsers, web standards development, and network services architecture. Core specializations include mobile application development and prototyping, network service architecture, competitive analysis of emerging platform technologies, and strategic technology risk assessment.
Professor of Computer Science with deep expertise in intelligent transportation systems, vehicle-to-infrastructure communications, and autonomous vehicle technologies. Over 15 years of academic leadership, this expert serves as Editor-in-Chief of leading IEEE and ACM publications, has published 30+ peer-reviewed journal and conference articles with a patent in intelligent transportation systems, and has been retained in over 50 expert cases spanning patents, trade secrets, and software disputes in automotive and technology sectors.
Professor of electrical and computer engineering and a recognized leading authority on programmable, software-defined, and AI-driven cellular networks and wireless systems. This expert specializes in Open Radio Access Network (O-RAN) architectures, 5G/6G network optimization, network slicing, and experimental wireless systems design. IEEE Fellow, ACM Distinguished Member, and Fellow of the National Academy of Inventors with over 300 peer-reviewed publications, 25,000+ citations (h-index 65), and more than 30 granted U.S. patents in wireless technologies and network optimization.
Senior embedded software engineer with over 15 years of experience in device security, firmware development, and Linux/Android customization with particular emphasis on kernel-level modifications and ARM architectures. Specialized expertise spans TrustZone implementations, secure boot architectures, device hardening, reverse engineering of complex embedded systems, and custom hardware integration.
Embedded systems engineer with over 25 years of experience designing embedded control software for medical devices and biomedical applications. Specialist in real-time operating systems, FDA-compliant development processes, and safety-critical firmware architecture for both implantable and non-implantable medical devices. This expert has served in leadership roles developing control software for surgical monitoring and ultrasound systems, and brings deep expertise in ECG signal processing, retinal prosthesis systems, and defibrillator technologies.
Assistant Professor of Computer Science and Engineering directing an advanced network systems research laboratory, with extensive academic and industrial experience in network architecture design, information-centric networking systems, edge computing platforms, and distributed systems. This expert has authored over 70 peer-reviewed publications in top-tier venues, secured substantial research funding from federal agencies including NSF, NIH, and the U.S.
Senior Engineer with over 25 years of experience in broadband access systems, home networking, and customer premise equipment design. This expert specializes in DOCSIS cable modem architecture, EPON/XGSPON fiber-optic networks, and IEEE 802.11 wireless protocol design with particular emphasis on Wi-Fi 6/6E/7 standards development. Extensive expertise spans wireless physical layer design, including FFT/AGC algorithms, forward error correction, and hardware-software integration. Licensed Professional Engineer with deep patent litigation experience in 5G and wireless standards.
Senior director with three decades of experience in semiconductor design, embedded systems, and artificial intelligence technologies. Key expertise spans processor architecture, embedded machine learning deployment, and flash memory architecture/solid-state storage design. Founded and led major industry standards organizations for processor benchmarking and multicore development, serving numerous semiconductor and systems companies across data centers, networking, autonomous driving, and IoT applications.
Senior cybersecurity professional with over a decade of specialized expertise in offensive cyberspace operations, wireless protocol exploitation, and RF signal intelligence. Holds advanced degrees in Cyber/Electronic Operations and Electrical Engineering from leading military and research institutions, earning Distinguished Graduate recognition. Specialties span reverse engineering, vulnerability research, exploit development, and enterprise cybersecurity analytics.
A seasoned executive and engineer with 35+ years in consumer electronics product development, this expert specializes in wireless audio systems, Bluetooth technology, speaker system design, and audio signal processing. With exceptional technical depth in RF wireless communications, digital audio interfacing, embedded firmware development, and product failure analysis, this expert holds credentials as a registered U.S. Patent Agent with 65+ issued patents. Extensive experience includes directing engineering teams and providing expert witness testimony in audio technology litigation.
Senior systems engineer with nearly 30 years of professional experience designing and validating safety-critical embedded systems for medical device development. Specializes in FDA-regulated real-time control systems, usability engineering compliance (IEC 62366), and medical device lifecycle management including architecture, risk analysis, and regulatory approval pathways.
Senior expert with over four decades of specialized experience in video game software development, console game system reverse engineering, and advergaming technology. This expert holds multiple U.S. patents in gaming and interactive technology, with pioneering achievements spanning reverse-engineering major gaming console systems and architectures, establishing foundational gaming development studios, and developing innovative digital advergaming platforms and interactive marketing solutions.
This expert is a speech recognition architect and natural language processing specialist with nearly 20 years of experience developing dialogue systems and hybrid client-server speech recognition platforms deployed across automotive and consumer electronics manufacturers. Specialized expertise spans embedded deep learning, real-time audio signal processing, edge AI deployment, emotionally expressive text-to-speech synthesis, and machine learning workflow automation. Holds two U.S.
Professor of the Practice in electrical and computer engineering with over 25 years of senior technical leadership in semiconductor design and microprocessor architecture. This expert has led the design of next-generation multi-core processors and developed novel RISC-V instruction set extensions, with particular strengths in FPGA systems, AI accelerators, neuromorphic computing, and hardware security. Currently co-leading an advanced computer architecture research laboratory. Author of 70+ U.S. patents demonstrating thought leadership in chip design and processor innovation.
Computer scientist and electrical engineer with more than twenty years of hands-on experience in custom ASIC and FPGA design, embedded firmware development, and product lifecycle management. This expert specializes in wearable health sensors and FDA-regulated medical device development, with technical depth spanning low-power wireless sensor architecture, cellular modem integration, Bluetooth connectivity, and consumer electronics manufacturing.
A technology strategist and leading authority on Bluetooth Low Energy protocol design, wireless connectivity standards, and short-range wireless networking for IoT applications. With three decades of experience spanning hardware, software, and systems design, this expert was instrumental in developing and evangelizing a major wireless connectivity standard. Also experienced in wireless standards leadership, company building, and smart energy analytics. Recognized as an expert witness in patent litigation involving wireless protocols, IoT systems, and smart energy technologies.
Security engineer with over two decades of experience in embedded software development, vulnerability research, and reverse engineering across x86, ARM, and MIPS architectures. Deep expertise in ARM TrustZone secure boot implementations, Trusted Execution Environments, and identifying critical vulnerabilities in networking devices, authentication systems, and embedded platforms.
Electrical engineer and executive with over 40 years of experience in wireless communications, automotive telematics, and signal processing. Expert in embedded systems architecture, ASIC design, RF communications, and GPS systems technology, with deep knowledge of industry standards. Combines hands-on technical expertise with executive leadership across venture capital, startup development, and major technology corporations.
A network security and Internet measurement expert with over two decades of experience, this expert holds a senior faculty position directing technology policy research at a major research university. Core specializations include Internet censorship measurement, software-defined networking, broadband access network analysis, and network protocol design.
Senior software engineer with over two decades of experience in real-time embedded systems, firmware development, and safety-critical system design. Deep expertise in cardiac event detection, autonomous robotics, and wireless protocol implementation, with specialized proficiency across FreeRTOS, VxWorks, and embedded Linux platforms. Advanced knowledge of Bluetooth/BLE, MQTT messaging, ARM-based microcontroller architecture, and sophisticated hardware-software integration debugging.
Software engineer with 8+ years specializing in iOS security, WebKit vulnerability research, and 802.11 wireless protocol exploitation. This expert develops advanced CNO tools and iOS exploitation research capabilities, with extensive expertise in ARM and custom processor firmware reverse engineering, embedded systems security, and wireless protocol analysis.
Professor and optical engineer with over 30 years of specialized expertise in solid-state lighting systems, unmanned aerial vehicle design, and embedded control technologies. This expert holds a Ph.D. in Electrical Engineering from the University of Central Florida and has authored 30 U.S. and international patents spanning LED color control, multi-rotor flight systems, and optical measurement technologies. Their deep technical foundation spans optical performance measurement, flight control system architecture, and advanced LED color temperature control design.
Senior embedded systems reverse engineer with multiple decades of experience specializing in firmware vulnerability research, systems emulation, and protocol reverse engineering across ARM, PowerPC, and x86 architectures. Demonstrates expertise in custom static analysis tool development using Ghidra and code property graph analysis, with advanced proficiency in fuzzing and binary signature detection. Has provided Android kernel auditing for patent pre-litigation analysis, demonstrating direct litigation support and expert testimony experience.
Electrical engineer with more than two decades of experience in precision electromagnetic measurements, antenna characterization, and RF/microwave systems testing. Specialized expertise in spherical near-field antenna scanning techniques, quiet-zone field evaluation, and antenna test range imaging. This expert has authored peer-reviewed publications in leading IEEE conferences on antenna metrology and measurements, and possesses extensive intellectual property expertise including patent review, reverse engineering, and evidence-of-use analysis.
Electrical engineer and software consultant with over 40 years of experience in embedded systems design, digital signal processing, and product reverse engineering. This expert specializes in embedded firmware disassembly, microprocessor analysis, and complex system design, with notable expertise in brain-computer interface control systems, autonomous unmanned aerial vehicle control systems, and advanced database technologies.
Principal Security Researcher and Senior Engineer with 20 years of hands-on experience in real-time embedded systems, custom network protocol development, and distributed cloud architectures. Specialized expertise spans VxWorks kernel programming, firmware design, advanced protocol analysis with industry tools like Wireshark, and sophisticated source code forensic investigation techniques.
Senior wireless networking consultant with over two decades of expertise in small cell and femtocell network design, 3GPP/3GPP2 standards, and cellular-Wi-Fi convergence technology. This expert holds 11 U.S. patents in private access points, authentication protocols, and network management systems, and serves as a USPTO Registered Patent Agent.
Security architect with over 15 years of senior-level experience in Near Field Communications security, mobile payment systems, and secure embedded systems. This expert brings deep expertise in secure element technologies, Host Card Emulation, FIDO authentication, and cryptographic protocols across telecommunications, automotive, and financial services sectors. Holds CISSP and CIPM certifications, has authored security standards adopted across automotive cybersecurity (ISO 21434), payment systems (EMV), and IoT platforms.
Senior embedded systems security engineer with over 15 years of experience designing and implementing secure systems across defense, automotive, and commercial sectors. Expertise encompasses the complete embedded software stack from low-power microcontrollers to high-performance ARM-based Linux systems, with particular emphasis on ARM TrustZone trusted application development, embedded Linux cryptography solutions, and secure boot implementation.
Senior software executive with four decades of experience in Enterprise Asset Management Systems and maintenance management software across nuclear power, chemical manufacturing, and industrial refining. This expert holds advanced degrees in biophysics and physics and specializes in complex software architecture, process optimization, mobile application development, and large-scale enterprise implementations for highly regulated industries. Known for translating complex technical and regulatory requirements into scalable solutions while managing international projects.
Senior software engineer with over 30 years of experience in telecommunications security, software reverse engineering, and cybersecurity analysis. This expert specializes in identifying vulnerabilities in GSM networks, PBX systems, and embedded telecommunication platforms through low-level programming and hardware design.
Senior engineer and signal processing specialist with over three decades of experience designing and implementing advanced DSP systems spanning defense, telecommunications, and specialized consulting. Expert in superconducting ultra-wideband ADC systems, real-time SIGINT/ELINT signal exploitation, RF direction finding, and reverse engineering of embedded signal processing platforms.
Wireless systems engineer and CTO with over a decade of specialized experience in Bluetooth Low Energy across embedded systems, iOS, and Android platforms. Expertise spans the complete BLE ecosystem: protocol optimization, packet analysis and RF debugging, cross-platform SDK integration, and secure wireless design. Bridges firmware-level and mobile engineering teams, providing architectural guidance and technical leadership for complex wireless systems across healthcare, automotive, and secure access control verticals. Credentials include U.S.
This expert leads an independent software intellectual property consulting firm with over 15 years of expertise in source code analysis, reverse engineering, and software comparison methodologies for litigation. Specialized knowledge encompasses source code comparison algorithms, plagiarism detection, and multi-platform reverse engineering across mobile, desktop, and server environments.
