Android iOS Mobile App Experts

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.

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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:

Mobile Devices & Apps
Full Title: 
Experts in Smartphones & Mobile Apps

Satellite & Cellular Base Station Expert Profile

Independent engineering consultant specializing in wireless cellular mobile technology and real-time embedded software development.

Deep Learning & A.I. Systems Expert Profile

Former professor of software engineering with over 25 years of hands-on experience in speech recognition, artificial intelligence / machine learning, computer vision, 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 over two decades of experience at the forefront of the analysis and processing of electronic documents and document images as well as expertise in speech processing and voice input.

Haptic Input & Virtual Reality Expert Profile

Professor of engineering with decades of experience developing novel technologies and expertise in virtual reality, streaming multimedia, image processing and computer vision, artificial intelligence, 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 EDA 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, virtual worlds and simulations.

Smartphone Software & Apps Expert Profile

Computer engineer and consultant with more than two decades of industry experience developing software for embedded systems and mobile apps powered by Android, Linux, Windows, and real-time operating systems such as VxWorks.

Analog & Digital Electronics Expert Profile

Electronics and computer science expert with more than twenty-five years of hands-on experience analyzing, designing, and implementing real-time systems for commercial, industrial, and military applications. Has been chief architect or technical lead on numerous projects covering all aspects of the architecture and development of electronics (including circuit boards and FPGAs), embedded software, network and communication protocols, and graphical user interfaces.

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Expert S416N

Electronics and computer science expert with more than twenty-five years of hands-on experience...

Expert H400L

Computer scientist and inventor with decades of hands-on experience applying emerging...

Expert E235M

Consultant and former computer science instructor who has written more than two dozen books and...

Expert H164L

Computer scientist with over forty years of industry experience in design of computer systems,...

Expert W426R

Consulting electrical engineer with decades of experience in design of integrated circuits and...

Expert G416R

Former director of software development and Certified ScrumMaster with more than twenty years of...

Expert D655N

Professor of computer science with over two decades of experience at the forefront of the...

Expert P200S

Independent engineering consultant specializing in wireless cellular mobile technology and real-...

Expert P420K

Adjunct professor of computer science with two decades of industry experience in software...

Expert S632L

Professor of computer science with specialized expertise in network quality of service, routing...

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