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

Android and iOS Mobile Apps Expert Profile

Computer scientist and inventor with decades of hands-on experience applying emerging technologies to create successful software applications and apps for a variety of computing platforms, including Android and iOS smartphones, Macs, and Windows PCs. Has experience programming in a range of languages. Also a proven engineering team leader, having been a senior technical manager at Apple as well as CEO and VP of Engineering, respectively, of a pair of startup companies.

Enterprise Apps E-commerce Expert Profile

Former director of software development and Certified ScrumMaster with more than twenty years of hands-on development, engineering, and programming experience in the financial technology and healthcare industries. Areas of technical expertise include architecture and design of software for cloud-based enterprise applications and databases, e-commerce platforms and Software-as-a-Service (SaaS) websites, as well as mobile apps for Android and iOS. Skilled at forming and growing software development teams and improving their development processes.

DVR Settop Onscreen Guide Expert Profile

Electrical engineer and embedded computing pioneer with over thirty years of experience designing electronics hardware and low-level software as well as more recent experience with mobile apps for Apple iOS platforms. Extensive experience in the design of data communications systems, including for DVR-capable satellite TV receivers and other set-top boxes. Experience with the software inside standards-based protocols ranges from detailed bit level knowledge of the MPEG transport protocol for video to the full TCP/IP Internet protocol stack. Holds a TS/SCI security clearance.

Cybersecurity & CompSci Expert Profile

Consultant and former computer science instructor who has written more than two dozen books and numerous scientific papers on computer security, cyberwarfare, and digital forensics, as well as cryptography and other forms of applied mathematics. Has mastered and then written and taught a wide range of technical topics within and outside of computer science. After serving in the U.S. Army, earned his undergraduate degree while also doing hands-on work in technical support and design of websites in HTML and JavaScript.

Video Game Computer Graphics Expert Profile

Professor of computer science and consultant with more than thirty years of experience in the software industry in areas ranging from scientific computing and medical visualization to video gaming technologies. Significant experience in the field of computer graphics, including for military simulators, flight simulators, and video games. Also a specialist in web-based services that use Service-Oriented Architecture (SOA). Has researched and applied video gaming technologies to serious pursuits, including for improved health. Hands-on experience with video game design and development.

System and Software Testing Expert Profile

An international leader in software, hardware, and systems testing and a prolific writer in the field of software testing with over thirty years of experience. author of fourteen books that have sold hundreds of thousands of copies around the world and been translated into over a dozen languages. Has delivered consulting services and training to hundreds of clients worldwide, helping to solve the most difficult software quality and testing problems.

GPS and 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.

Pages

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 G416R

Former director of software development and Certified ScrumMaster with

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 F200K

Electrical engineer and embedded computing pioneer with over thirty years of experience...

Expert B420K

An international leader in software, hardware, and systems testing and a prolific writer in the...

Expert R251K

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

Expert C612S

Professor of computer science and consultant with more than thirty years of experience in the...

Expert O600R

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

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