Cloud Storage and Filesystem Expert Profile
Professor of computer science with decades of experience in cloud storage and filesystems, computer architecture, data networks, and distributed computing.
Mobile Devices & Apps
Barr Group's smartphone and mobile apps experts review patent portfolios and advise attorneys in litigation. Our software engineers have hands-on experience designing iOS and Android apps for mobile handheld devices and the know-how to reverse engineer systems and analyze source code. Many are trial-tested expert witnesses.
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Mobile Devices and Applications
Barr Group's expert witnesses have specialized expertise in source code review for smartphone devices and mobile apps, including:
- Smartphones, cell phones, tablets, and smart watches
- Google Android mobile operating system and SDK
- Apple iOS, iPadOS, tvOS, and watchOS as well as XCode
- Microsoft Windows Phone, Windows Mobile, and Windows IoT
- Google Play, Apple iTunes/AppStore, and Windows Phone Store
- Blackberry OS, Qualcomm BREW, PalmOS/webOS, and ARM platforms
- Nintendo, PlayStation, XBox, and video games for mobile computers
- Cellular network protocols (SMS, MMS, CDMA, GSM, LTE)
- WiFi 802.11, NFC, and Bluetooth (including Bluetooth LE)
- IrDA and other infrared and line-of-sight communications
- GPS, accelerometer, pedometer, camera, and microphone peripherals
- Internet of Things (IoT) devices and cloud hosted apps
- Web-based apps built with HTML, JavaScript, JSON, etc.
- Qualcomm's hardware abstraction layer (HAL)
Barr Group's software experts are familiar with all of the major smartphone APIs as well as related wireless protocols and also with the programming languages used to develop iOS and Android apps, including C/C++, .NET, C#, Objective-C, Swift, Java, Kotlin, and Go.
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Expert Witness Services
Barr Group's smartphone 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:
- Technical assistance with drafting of discovery requests
- Preparation of patent infringement claim charts
- Software source code review and analysis
- Source code comparisons for copyright and trade secret theft
- Prior art review for patent invalidity
- Automated testing of mobile devices and wireless communications
- Evaluation of cyber breaches and privacy invasions
- Expert reports, declarations, and witness statements
- Testimony at deposition, oral hearings, and trials
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:
Automated Surveillance Systems Expert Profile
Computer systems expert with twenty five years experience including in video streaming/coding/processing and the design of AI-enhanced automated video security systems.
Digital Cellular Mobile Radio Expert Profile
Leading expert in the field of digital cellular mobile radio communications who was involved in the development of the earliest GSM standard.
Payment and Transaction Processing Expert Profile
Subject matter expert in electronic payment systems with three decades of experience with financial transaction processing and security.
Data Center and Cloud Storage Expert Profile
Computer science professor with industry experience in system administration as well as data centers and cloud storage and a range of other technologies.
LLM Generative A.I. and Chatbot Expert Profile
Artificial intelligence expert specializing in chatbot design and development, GPT and LangChain, speech recognition, and natural language processing (NLP).
Augmented Reality Wearables Expert Profile
Computer scientist who has spent twenty five years consulting at the leading edge of wearable augmented reality systems.
Spread Spectrum Communications Expert Profile
Consulting electrical engineer with thirty-five years of experience in cellular standards including GSM, UMTS, and LTE and other wireless communication protocols.
Class II and III Medical Device Expert Profile
Consultant specializing in regulatory and clinical research with extensive experience in Class II and Class III medical devices in FDA and ISO-regulated environments.
Data Management Systems Expert Profile
Computer scientist with twenty five years of experience in enterprise-level software, knowledge management system, and mobile app development.
Computer Music and Multimedia Expert Profile
Software developer and professor with extensive experience designing/developing/deploying advanced multimedia on platforms including handheld devices.
Wireless and Cellular Standards Expert Profile
Cellular and wireless communications expert with experience in military radio and mesh networks who has also been a leader in protocol standards development.
Semiconductor Fabrication Expert Profile
Consultant with over two decades of experience in semiconductor design and testing, including foundry process evaluation and selection.
E-Commerce Payment Security Expert Profile
Professor of computer science and consultant with full-stack expertise in database-backed websites and mobile apps, payment system integration, and security.
Handheld Operating Systems Expert Profile
Computer science expert with decades of experience designing software and electronics, including handheld, IoT, and wearable devices as well as video games and apps.
Streaming Multimedia Expert Profile
Technology consultant with decades of experience in development and implementation of digital audio and video such as CD, DVD, Blu-ray, and streaming multimedia.
UX/UI Software Usability Expert Profile
PhD in psychology and author of two books on UI design with experience leading research to evaluate the usability of operating systems, websites, and apps.
NFC and Contactless Payments Expert Profile
Consultant with over thirty-five years of industry experience in smart card-based solutions for payments and digital security and deep expertise in secure chip technologies.
Internet and Web Technology Expert Profile
Consultant and trainer with specialized knowledge in website development, markup languages, mobile device management, and e-commerce.
Video Game & Casino Gaming Expert Profile
Engineering consultant with twenty-five years of experience in systems for gaming and gambling including the design and analysis of casino games.
Vehicle Informatics & Safety Expert Profile
Consulting electrical engineer with decades of experience in advanced technology development and project management in automotive and spacecraft electronics.
Satellite and Cellular Base Station Expert Profile
Engineering consultant specializing in wireless cellular mobile technology who has written real-time software for products from automotive and medical to mobile handsets.
Deep Learning & A.I. Systems Expert Profile
Former professor with twenty five years of experience in machine learning for speech recognition and computer vision as well as in data centers and blockchain.
Speech-Based Interface & RFID Expert Profile
Consultant and former professor of computer science with decades of hands-on experience in speech recognition, IVR, RFID, streaming multimedia, and data encryption.
Speech & Voice Recognition Expert Profile
Professor of computer science with two decades of experience at the forefront of the analysis and processing of electronic documents and speech / voice.
Haptic Input & Virtual Reality Expert Profile
Engineering professor with decades of experience in virtual reality (VR), streaming multimedia, computer vision, artificial intelligence (AI), and robotics.
Distributed Sensor Networks Expert Profile
Professor of computer science with specialized expertise in network quality of service, routing, and visualization as well as remote sensing.
Semiconductor Design Tools Expert Profile
Consulting electrical engineer with decades of experience in design of integrated circuits and software systems for electronic design automation (EDA).
Virtual Reality Worlds & Gaming Expert Profile
MIT-educated electrical engineer with decades of industry experience designing software and electronics including for computer graphics, video games, and virtual worlds.
Smartphone Software & Apps Expert Profile
Consultant with two decades of experience developing software and mobile apps for Android, Linux, Windows, and real-time operating systems.
Analog and Digital Electronics Design Expert Profile
Electrical engineer with more than thirty years of hands-on experience designing real-time systems and embedded software for commercial and military applications.
Distributed Computer Systems Expert Profile
Computer scientist with over forty years of industry experience in design of computer systems, communications systems, electronics, and software.
Just-in-Time Compilation Expert Profile
Early pioneer in the areas of moving target cyberdefenses, mobile code, and dynamic compilation and subject matter expert in virtual machines and JIT compilers.
Penetration Testing Security Expert Profile
White hat hacker specializing in penetration testing and reverse engineering and expert in the design of secure networks and IoT devices.
Global Positioning Systems Expert Profile
Electrical engineer with substantial experience in the design of GPS and navigation systems, including DSP and image processing, in military and civilian applications.
TCP/IP Internet Protocols Expert Profile
Systems engineer with decades of hands-on experience in the design and implementation of Internet-connected products using WiFi, cellular, and other protocols
Mechanical-Electrical-Software Expert Profile
Engineering consultant with hands-on industry experience in mechanical and electrical design as well as software and firmware development and testing.
Software Process Improvement Expert Profile
Subject matter expert in software quality, data analytics, wireless communications and networking, web technologies, user interfaces, and e-commerce.
Short-Range Wireless Protocols Expert Profile
Professor emeritus and software consultant with experience in every phase of software development who helped standardize short range wireless protocols.
Android & iOS Mobile Apps Expert Profile
Computer scientist and inventor with decades of successful software and app creation for a variety of platforms, including Android, iOS, MacOS and Windows.
Enterprise Apps E-commerce Expert Profile
Former director of software development and Certified ScrumMaster with more than twenty years of experience in the financial technology and healthcare industries.
Settop On-Screen Guide & DVR Expert Profile
Embedded computing pioneer with thirty years of experience designing electronics and firmware, notably for DVR-capable satellite TV receivers.
Cybersecurity & Cyber-Warfare Expert Profile
Prolific author of books and papers on cybersecurity, cyberwarfare, and digital forensics, as well as cryptography and other forms of applied mathematics.
Video Game Computer Graphics Expert Profile
Computer science professor and consultant with thirty years of experience in the software industry and hands-on video game design experience.
System & Software Testing Expert Profile
Prolific author who has trained tens of thousands of engineers in systems testing and has over thirty years of experience in software and electronics testing.
GPS & Navigation Systems Expert Profile
Engineer and product manager with twenty five years of work at the leading-edge of agriculture, automotive, and marine navigation and geolocation technologies including GPS/GNSS.
Microprocessor Design Expert Profile
Professor of electrical and computer engineering with years of industry experience in the design of microprocessors for infotainment and multimedia systems.
Embedded Systems and IoT Expert Profile
Adjunct professor of computer science with two decades of industry experience in software engineering and all phases of the software development life cycle.
User Interface Design Expert Profile
Accomplished software and systems engineer with specialized expertise in UI design and human factors for mobile, web, desktop, and server software.
Handheld Devices Design Expert Profile
Electrical engineer with two decades of experience in the design of embedded systems with a particular emphasis on the internals of Linux and its filesystems.
Mobile & Wireless Networks Expert Profile
Professor of electrical engineering and an award-winning innovator in the areas of wireless communication systems and mobile networks who has testified as an expert witness.
Wireless Protocols and Standards Expert Profile
Network and wireless technology expert with over thirty years of industry experience who has been significantly involved in multiple wireless standardization efforts.
Consultant specializing in regulatory and clinical research with extensive experience in Class II and Class III medical devices in FDA and ISO-regulated environments.
White hat hacker specializing in penetration testing and reverse engineering and expert in the design of secure networks and IoT devices.
Consultant with over two decades of experience in semiconductor design and testing, including foundry process evaluation and selection.
Embedded computing pioneer with thirty years of experience designing electronics and firmware, notably for DVR-capable satellite TV receivers.
Professor of computer science and consultant with full-stack expertise in database-backed websites and mobile apps, payment system integration, and security.
Professor emeritus and software consultant with experience in every phase of software development who helped standardize short range wireless protocols.
Consultant with two decades of experience developing software and mobile apps for Android, Linux, Windows, and real-time operating systems.
Computer science expert with decades of experience designing software and electronics, including handheld, IoT, and wearable devices as well as video games and apps.
Subject matter expert in software quality, data analytics, wireless communications and networking, web technologies, user interfaces, and e-commerce.
Artificial intelligence expert specializing in chatbot design and development, GPT and LangChain, speech recognition, and natural language processing (NLP).