Optical Communication Expert Witnesses

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Optical communication, or optical telecommunication, is communication using light to transmit information. Cahn Litigation Services is called on by attorney clients to locate expert witnesses that can support matters involving communications technology, including optical communication. An optical communications expert witness typically has an advanced degree and extensive experience and expertise in electrical engineering, computer science, and/or software engineering – depending on the specific technology and product involved the case.

Cahn Litigation Services has completed numerous searches for expert witnesses with specific knowledge in optical technology, passive optical network, wireless communication, telecommunication systems, optical switching, image processing, signal processing, optical fiber, and nonlinear optics. Most often the expert witness chosen is member of an industry organization such as the Optical Society (OSA), the Fiber Optic Association, and/or IEEE. An optical communications expert witness should have a deep understanding not only of the technology, but also of the fiber optics market, market share, market size, and competitive landscape.

An optical communications expert witness could provide expertise in intellectual property matters — a patent litigation in federal court or a trade secret dispute. It could be a patent infringement case in the District Court, an Inter Partes Review (IPR) in the PTAB, or a patent case or proceeding in the International Trade Commission (ITC). In a litigation scenario, a technical expert can expect courtroom testimony, as well as other expert witness services such as depositions, expert testimony, an expert report, prior art search, forensic analysis, claim charts, and related consulting activities. In high profile cases, or litigation involving a significant financial stake, previous expert witness experience is often a requirement. An optical communications expert witness needs to not only have technical expertise, but should also possess the ability to explain technology and evidence to lay people, including a judge and jury. In addition, clients may seek an optical communication subject matter expert for pre-litigation expert consulting work.

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Optical Communication Expert Witness - Sample Bios

Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.

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The below expert witness bios represent a small fraction of those Optical Communication experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Optical Communication landscape.


Expert Witness #212559

This expert received BS and MS degrees in Electrical and Computer Engineering, and a Ph.D. degree in Electrical Engineering. This expert was an R&D Engineer at a technology company where this expert worked on the development of a packet switched satellite modem and several sequential decoders for the decoding of convolutional codes. This expert joined the faculty of the School of Electrical Engineering at a prestigious university as an Assistant Professor; this expert was appointed to Associate Professor, with tenure, and was a Full Professor. This expert taught courses in digital communications, error control codes, information theory, detection and estimation theory, digital systems and audio engineering. This expert's current research interests include: information, coding and communication theory, algorithms for digital communications, coding for computer memory systems, signal processing and error-control in optical and magnetic recording systems, audio and video signal compression, algebraic geometric coding theory and symbolic and numerical computer methods. This expert has been an active member of the consulting community. This expert has worked on problems of digital HDTV and cable TV transmission, DSP and hardware based trellis coded modems, modulation and error-control for optical LANs, and modulation and coding for recording systems. This expert is the inventor on several patents. This expert is the founder and chief scientist for a digital communications company. This expert was the CEO and Principal Scientist a fabless semiconductor company specializing in physical-layer communications with a particular expertise in forward error correction (FEC). The technology is vital in: high-speed wireless networking (IEEE 802.11/WiFi), cable modem, digital-TV, digital subscriber line and satellite/terrestrial wireless. This expert has received an Award from the National Science Foundation (NSF) and is an active member of IEEE. This expert has extensive litigation experience both in district court and in IPR.


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Expert Witness #222600

This expert is a testifying expert, author, patent holder, and Registered Professional Engineer who has many years of experience in Electrical Engineering, Networks and Telecommunications. This expert’s primary areas of expertise include telecommunications, switching systems (circuit, packet and optical), LANS, communication network architecture and protocols, and copper and fiber-optic cabling systems (cables, connectors, patch panels, etc.).

This expert holds 8 U.S. patents, has authored more than 30 technical publications (including 2 books) and has given technical presentations on 5 continents. This expert has provided Trial Testimony, Expert Reports, Depositions, Technical Tutorials, and consulting in more than 20 patent cases in Federal District Court and the ITC, as well as Inter Partes Reviews at the PTAB.

Relevant Professional Experience

  • Member of Technical Staff and Technical Manager -- Customer Switching Systems
    Involved with telecommunications networks, PBX and data switch design, signaling systems, interface with long-haul network. Inventor and lead designer of integrated circuit and packet switching system. Inventor of a message signaling arrangement for ISDN switches and terminals.
  • Technical Manager and Director – Network Cable Systems, Optical Fiber Solutions, and Optical Networking Business Units
    Involved with copper and fiber-optic cabling systems and transmission, optical switching, local area networks (LANs), wide area networks (WANs), network management. Developed a signal message translator to enable logical partitioning of a broadband network router into multiple virtual routers.
  • Telecommunications consulting
    Provided consulting, engineering, and expert witness services on transmission, switching, and networking issues, LANs, and cabling systems.


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Expert Witness #238295

This expert has many years of photonics experience. This expert's academic focus was on modern optics, electromagnetic theory, communications theory, advanced mathematics, and the chemistry/physics of optical materials. This expert has a lifetime of research and development in the highly specialized area of optical data storage, processing/computing, and communications. This expert is a well-known expert in the field of optical data storage, holography, recording media, and optical disc replication processes and technology, and large high-resolution information displays. This expert's main areas of interest are photonics (components, imaging arrays, LEDs, and solar energy), materials physics, chemistry and processes, nanotechnology, control and positioning of light beams, MEMS and MOEMS and their integration into fully functional information processing systems, lasers, and flat panel displays (FPDs).

Much of this expert's early work was for government agencies. The major goal of this work was to use photonics technology for the rapid acquisition, processing, storage and communication of data vital to national defense and space flight. This expert shifted the main research focus to (1) consumer electronics applications of photonics (CD, DVD, flat panel displays, digital cameras, LEDs and HDTV and 3D TV); (2) replication of CD and DVD media (technology, materials, processes and systems); (3) digital image processing and capture (digital cameras), and (4) the impact of MEMS/Nanotech on data storage, processing, and communication design and performance.

This expert also has significant engineering, expert witness, product and business development, and sales & marketing management experience.


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Expert Witness #257431

This expert (Senior Member, IEEE and Fellow, IETE) is an international technologist and entrepreneur with many years of experience in networking and telecom technologies, having lead research, industry, labs, and academia, and having coordinated globally diverse expert teams. This expert has 12 issued US patents, 10 IETF RFCs, 4 IEEE Magazine special issues, 2 book chapters, and over 70 scientific publications. This expert has considerable standards participation experience and a solid understanding of standards processes.

This expert has also been an Associate Professor of Electrical Engineering, having taught six courses in areas as diverse as electronics, digital circuits, and electronics labs, to telematics and advanced data networks some to class-sizes exceeding 100 students, has graduated eight students, has guided 25+ seminars and graduate course research projects, and participated in the evaluation of over two-dozen other theses and seminars. In addition, this expert is frequently an invited speaker/keynote speaker, session chair, panel moderator, & panelist at leading industry conferences, and has delivered 145+ workshops, talks, seminars, panels, and webinars.

This expert is Moderator and Group Manager of a flagship online group, focused on discussions of modern packet networking architectures, technologies, trends, and strategy, which has 9,900+ members from 123+ nations, and 2,236+ companies worldwide, representing a microcosm of the global telecommunications eco-system.

This expert has experience in patent analysis and evaluation for investment houses, companies, and patent attorneys in a variety of circumstances – portfolio acquisition and expansion, licensing, portfolio value assessment, patent strategy, and patent litigation. This expert’s work has included: prior-art research in complex technology patents, claims review/de-construction, claim chart dissection, claim chart construction.

This expert has performed infringement analysis, evidence-of-use investigations, technology analysis and violation, and worked on scrutinizing validity. A major contribution of this expert’s work has been enabling complex telecommunications & data networking patents to be succinctly and easily understood by legal and investment experts.

Focus Areas

Packet and optical system architectures

Network architectures - for packet, optical and data-center networks

Protocol design - routing, signaling, flow-control, and communication protocols for wireline/wireless networks

System analysis and optimization

Software prototyping

Network planning and algorithms

Wireless back-haul

Wireless broadband - 4G, LTE, 5G

Packet-core networks - L2 and L3 VPNs, EVPNs, Mobile network Evolved Packet Core (EPC)

Cloud-based & virtualized networks

Software-defined networks (SDN), and network functions virtualization (NFV)

Intellectual asset management

Core Skills

Reverse-engineering of systems, networks, products and applications to locate design, performance, or operational bottlenecks/limitations

Deep-dive analysis of advanced technologies, networking systems, and network architectures to identify both positive design choices & practices and fatal design flaws

Translating between network-level operation and system-level implementation

Sound understanding of wireline, broadband wireless, and optical networking issues and ability to convert them into architectures for services, networks, systems, and chips

Grasping customer requirements, interpreting and prioritizing features/options, translating them into high-level architectural specifications and detailed system-level/chip-level operational flows

Working seamlessly with engineering/executive management and hardware & software engineering and product marketing teams to realize next-generation products/networks/services

Converting novel ideas into patentable inventions.

Explaining very complex technology to a diverse audience, and the ability to dive very-deep, technically, into disparate technology areas.


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