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The below expert witness bios represent a small fraction of those Operating Systems experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Operating Systems landscape.
This expert brings to the table many years of experience and leads a highly successful consultancy providing clients with computer and network design services including formulation of system requirements, systems architecture through software development and product rollout. This expert also provides litigation support and expert testimony with experience in patent and trade secret cases.
This expert specializes in the specification, design and development of computer systems for communications. This expert's experience has focused on three primary disciplines; operating systems, wireless and wired networking, and telecommunications. This expert has worked with virtualized operating systems, particularly Linux based QEMU and VirtualBox. This includes software package installation and initialization of virtual images, hardware virtualization and related technologies. This expert has worked on the design of several set-top boxes and network routers, and is familiar with network protocols, cellular networking and other technologies. This expert has worked on the design and modification of numerous operating systems and has also worked on software for various network protocols. This expert is a named inventor or co-inventor on several patents.
This expert has been an active contributor to standards and industry organizations including the Wi-Fi Alliance supporting 802.11 wireless networking, the DSL Forum, and DAVIC for multimedia distribution. This expert is Life Senior Member of IEEE, and a senior member of the Professional and Technical Consultants Association (PATCA).
This expert's litigation experience includes trial and deposition testimony, expert reports, as well as infringement and invalidity analysis, prior art searches, source code reviews, lab testing, and patent portfolio review.
This expert holds a PhD in Computer Engineering and is an Adjunct Professor of Electrical and Computer Engineering. This expert instructs graduate level seminars on embedded computer architectures, and their relation to compiled languages, and embedded software systems. This expert is also an avid technologist, entrepreneur, founder of a highly successful technology consultancy and managing director at a private equity angel investing firm. This expert is involved in IEEE / ACM Design Automation Conference’s Embedded Software and Systems Track and the IEEE Real Time Systems Symposium. Previously, this expert held industry roles with major US semiconductor companies in the areas of computer architecture, high performance software, and related systems; formerly, chief architect of hardware and software systems for Fortune 500 semiconductor companies.
This expert is the architect of open source computer architecture simulation environments used for hardware/software system design at various US universities. This expert is also the named inventor on multiple US patents, including client/server computing and embedded operating systems.
This expert has extensive experience with testimony (validity/infringement and related), depositions, expert report generation and investigation of computer video hardware and video software systems such as computer operating systems and systems software. Additionally, this expert has extensive experience in reverse engineering and source code review of multi millions of lines of software and hardware source code.
This expert has many years of experience in hardware and software engineering from embedded systems in the telecommunications and robotics fields to very large-scale enterprise systems. This expert has developed embedded systems for media distribution, high speed encryption and robots; enterprise systems; AI technologies; computer language compilers and interpreters; operating systems; network protocols and knowledge discovery tools; and web and non-web Internet based systems. This expert has extensive experience with more than 45 computer languages and relational, object and post-relational database systems. This expert has developed custom loaders for object code and understands the general requirements of a bifurcated OS or API where executable code for certain concerns are stored in separate and interchangeable code and data elements. This expert has also developed table-based solutions for localizing executables.
Selected Professional Experience
Senior Systems Engineer – Lead engineer of a team responsible for porting MS-DOS and Microsoft Windows to Paradyne PCs. Developed drivers and BIOS. Senior engineer on team responsible for porting and customizing the first implementation of Microsoft Xenix, which later became SCO Unix. Consulted to team responsible for localizing Paradyne products for various foreign language markets.
Department manager and lead engineer of Embedded Systems for a Robotics Group. Under this expert’s direction and following this expert’s design, the group developed a custom real-time operating system with extensions for executing a software-based replacement for Programmable Logic Controllers using a custom logic language compiler of this expert’s design, a distributed multi-node inter-process communication subsystem and other OS extensions.
This expert has years of experience providing expert reports, depositions and testimony for patent litigation, forensics and software contract disputes in telecommunications, computer and network technologies, media distribution and media handling devices and cellular devices and networks including both hardware and software.
This expert’s expert analysis and conclusions were instrumental in achieving successful results in several cases, including a petition before the PTAB for re-examination of a patent’s validity, wherein this expert’s expert written and oral opinions led to a reversal of the Board’s previous invalidity decision, resulting in the patent’s validity being sustained, as well as a similar reversal of a prior decision on a second patent the following day, using the same arguments.