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 sa 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 older platforms
  • Nintendo Switch and gaming apps for all 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, 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

GPS Navigation Systems Expert Profile

Experienced engineer and product manager who has been working with leading-edge navigation technologies for twenty-five years.

Microprocessor Design Expert Profile

Adjunct professor of electrical and computer engineering with years of industry experience in the design of microprocessors for infotainment and multimedia systems, as well as wireless and GPS systems.

Embedded Systems & 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 user interface design and human factors issues for embedded, 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.

Wireless Protocols Expert Profile

Computer networking and wireless technology expert with over thirty years of industry experience.

Cryptography & Encryption Expert Profile

Internationally renowned cryptographer and security technologist with two decades of industry experience in computer security.

Expert P420K

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

Expert G650N

Internationally renowned cryptographer and security technologist with two decades of industry...

Expert B420K

Experienced engineer and product manager who has been working with leading-edge navigation...

Expert G341F

Electrical engineer with two decades of experience in the design of embedded systems with a...

Expert B624L

Adjunct professor of electrical and computer engineering with years of industry experience in...

Expert R251K

Accomplished software and systems engineer with specialized expertise in user interface design...

Expert O600R

Computer networking and wireless technology expert with over thirty years of industry experience...

Don't see the right expert for your project among this subset?

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