LAN Expert Witnesses

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Local Area Network expert witness candidates typically have advanced degrees and extensive experience in wireless communication, computer networks, signal processing, computer science, cyber security, information technology, electrical engineering, and/or network architecture. Cahn Litigation Services is regularly called upon by law firm clients to locate an expert witness that can provide expert witness services for local area network (LAN) technology matters.

A local area network (LAN) is a type of networking that connects computers within a limited area (home, school, office building, etc.). A LAN can be connected by way of either a wired communication or a wireless communication. A subset of LAN, a wireless local area network (WLAN) refers specifically to a wireless communication method. A related network is a wide area network (WAN) that covers a larger geographic area, and could also involve telecommunication circuits.

The IEEE 802 family of standards covers LAN standards and protocols including, among many others, Ethernet, Token Ring, and Wireless LAN.

LAN technology cases that would require expert witness service work often center around intellectual property matters, such as patent infringement litigation or trade secrets disputes. At Cahn Litigation, sourcing local area network expert witnesses for patent litigation is a particular area of expertise.

Litigation support by a local area network expert witness could include technology analysis, forensic work, an expert report, expert opinion, and expert witness testimony at a trial. In high profile cases, or litigation involving a significant financial stake, a testifying expert with prior expert witness experience is often a requirement. A local area network expert needs to not only have technical expertise, a LAN expert witness must possess the ability to explain evidence to jurors. In addition, clients often seek a LAN expert for consultant work for pre-litigation tasks.

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LAN 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 LAN experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the LAN landscape.


Expert Witness #211008

This expert is a Scientist, educator, and technologist with many years of experience and a Ph.D. This expert is currently Fellow and lecturer at a College of Engineering. Additionally, this expert is Principal Scientist and Investigator for an internationally renowned consulting and litigation firm specializing in mobile devices, smartphones, wireless LAN (WLAN), routing, LAN/WAN, Ethernet, TCP/IP, UDP, IP, VoIP and web. This expert translates cutting edge research into practical products while integrating science, engineering, and innovation. This expert builds patent portfolios, consults on patent-related litigation and generates intellectual property.

As a consultant, this expert provides expertise in network communications, telecommunications, Internet protocols, and mobile wireless technologies such as:

- Communication networks: Internet protocols; TCP/IP suite; TCP; UDP; IP; Ethernet; network protocols; network software applications; data link, network, and transport layers (L2, L3, L4), data center network architecture, LDAP and server/network monitoring
- Routing/switching: LAN; WAN; VPN; routing protocols; RIP; BGP; MPLS; OSPF; IS-IS; multicast, DNS; QoS; switching; packet switching; network infrastructure; network communication architectures, applications switches
- Unified Communications: PSTN, circuit switching, IP telephony, VoIP, SIP, SS7, video and audio conferencing, streaming media, e-mail, instant messaging (chat)
- Internet software: Internet software applications; distributed computing; cloud computing; Web applications; FTP; HTTP; Java; client-server; file transfer
- Mobile wireless: wireless LAN; 802.11; cellular systems; mobile devices; smartphone technologies

This expert has published over 25 scientific papers and has been designated as an inventor on more than 120 patents; over 60 prosecuted pro se in front of the USPTO.

This expert has served as an expert in over 60 patent-related cases where this expert wrote expert reports and testified in depositions, courts and in front of a jury. This expert has testified in Federal courts, in USPTO PTAB IPR, and in the ITC.


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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 #248826

This expert brings to the table many years of experience in the industry, in both business management and engineering. This expert holds fourteen patents, has authored several technical publications, and holds Bachelor's and Master's degrees from a prominent engineering school. This expert is both a seasoned high tech executive and a prolific individual innovator. Specializing in real time embedded systems, digital signal processing (DSP), sensor data acquisition, and data communication, wired, RF and cellular, this expert's strength is a multi-disciplinary, system-oriented view, which ties such elements together in the best way possible. This expert's clients' market focus is typically manufacturing automation, data acquisition systems, SCADA, robotics, and machine-to-machine communications. Typical examples of projects include:

-  Defined requirements and costs of a power line modem/control system-on-chip for building automation and prepared the business case for the client's development program.
-  Helped improve performance of the control LAN protocol used in a new industrial I/O product.
-  Devised methods for "mission impossible" telemetry which operates reliably under demanding conditions.
-  Defined SCADA and communications architecture for a new sensor product.
-  Built and demonstrated a prototype car-to-car radio network providing collective, cooperative cruise control based on speed and status of vehicles ahead.

From unique data communications systems to factory automation, this expert's solutions help clients reduce time-to-market and development costs, improve the R&D process, and use new technology to their best advantage. This expert has limited prior litigation experience and has not yet had the opportunity to testify.


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Expert Witness #250138

Founder and President of an independent financial technologies consultancy, this expert has designed and managed major management consulting and technology projects for 58 major domestic and foreign banks and Wall Street firms, including the design, purchase, and installation of more than $2.4 billion worth of telecommunications, computer technology, software and specialized hardware. This expert works with the entire spectrum of modern financial services technology, including trading telecommunications and computers, LAN/WAN design, communications cabling, wireless communications, front and back office financial processing systems, security software and devices, and special hardware and software projects of all types. This expert serves as an Expert Witness in telecom and computer matters in state and federal courts, and also does General Management Consulting Engagements, Market Research and Strategic Planning. This expert has both courtroom and deposition experience. A respected designer of original computer hardware and software for the financial services industry, this expert is the inventor of a Wireless Integrated Trading System, a 20Mb/s bandwidth infrared system used for trading room disaster recovery; an electronic office access system, installed in major office buildings nationwide; and a microprocessor system for measuring productivity in 'moving line' situations, installed at shuttle operations at a major airport and various bank branches. This expert completed the systems design and programming of an online foreign exchange trading system for a hedge fund. This expert studied Computer Science, Business Administration, and Electronics Engineering. This expert writes for technical media, and is the author of several books on banking, computers and telecommunications, as well as many articles in the financial press. This expert is a Member of IEEE, AIIE, ASM, and EFTA.


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Expert Witness #258984

This expert is an IEEE Fellow and is involved in the 802 LAN/MAN Standards Committee (LMSC). The LMSC has about 2000 members that complete at least 10 Standards projects per year while engaged in about 50 concurrent standards development activities in the crucible of a highly competitive, yet consensus driven environment. As an expert in the technical details of the IEEE 802.11ac-2013 and the subsequent incorporation of the amendment into the current version of the base standard:

-  This expert is an expert on how the standard was developed from inception to completion
-  This expert is an expert on the IEEE standardization processes, patent policy and creation, oversight and implementation
-  This expert is familiar with the processes in the ITU, ISO/IEC, 3GPP and IETF along with the many alliances (e.g., Wi-Fi Alliance) surrounding the Standards

This expert co-founded a broadband company and was Vice President of Technology and Standards. The team invented and produced carrier-class next-generation Cable Modem Termination Systems. This expert was a co-founder and Vice President of Engineering at a company specializing in developing high performance modems for SD and HD digital video and high-speed data systems. This expert held technical positions of increasing responsibility at multiple communications & medical imaging technology companies. This expert received a BS in Electrical Engineering & Biology and an M.S. in Biomedical Engineering.

While this expert has provided expert intellectual property analysis for several firms on several cases, this expert has never been called to be a witness.


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Expert Witness #208088

This expert holds a Ph.D. in Computer Science and is a technical leader with many years of experience designing and supervising the design of digital circuits across a wide range of applications, including CPUs, ASICs within hard disk drives and LAN controllers. This expert has deep expertise in computer bus design and knowledge of bus standards, computer architect, is a college level lecturer and author of a book chapter on bus design, and has software expertise in operating systems and input/output subsystems. This expert has been a management and technical contributor with technology giants, and teaches courses at a University. Additionally, this expert has extensive prior litigation experience. This expert has been engaged as an expert in excess of 40 times, providing expert reports and declarations in more than half. This expert been he has testified in deposition and at trial, and served as a neutral technical advisor to three Federal District Court judges.


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Expert Witness #218702

This expert has many years of development and operations experience in high technology companies. This expert has made hands-on technical contributions to numerous business software application development efforts. This expert’s knowledge and experience extends over three principal areas: (1) Architecture and design of complex web-server and client-server business software systems, (2) detailed design and coding techniques for business software applications, and (3) software project management and development contracts. This expert’s detailed programming knowledge encompasses Java, C, C++, ASP, Python and Visual Basic languages, as well as assembly language for Intel and 68K microprocessors and real-time DSP applications. This expert has also managed programming teams that created applications for mainframes. This expert’s networking experience includes TCP/IP router development for Ethernet LAN's, fiber optic links, and wide area networks. This expert has managed many client-server and web-based ERP business solutions projects for Financial, Inventory, Order Entry, Shipping, Supply Chain and Manufacturing core modules. This expert has worked on semiconductor manufacturing systems involving yield prediction and supply chain management using statistical forecasting. This expert has direct experience with Oracle 8.05, 8i and 9i as well as SQL Server 7.0 and SQL Server 2000 for both transactional and data warehouse systems. This expert has also held responsibilities for internal network operation, intranet, and public access web server IT functions in several corporations. In this role this expert gained a detailed understanding of security issues such as SSL, user authentication, network security, firewalls, hacking countermeasures. This expert is also knowledgeable about email servers, backup and restore procedures, and service level agreements for customer-outsourced data in ASP systems.

This expert holds a B.S. degree with 1st Class Honors, an MSEE, and a Ph.D. also in Electrical Engineering. This expert has extensive litigation experience including deposition and courtroom testimony, claim construction for Markman hearings, infringement and validity rebuttal reports in support of plaintiffs, as well as numerous non-infringement and invalidity reports on behalf of defendants.   


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Expert Witness #219482

This expert is a noted technologist, product developer, consultant, patent analyst, educator and expert witness specializing in mobile, cellular, wireless technologies (2G, 2.5G, 3G and 4G/LTE), GPS technologies, wired technologies, networks, phones, standards, services and systems. This expert has many years of experience in the field of electrical, RF and telecommunications engineering, has worked for private organizations, and founded several successful start-up telecommunications companies.

As a patent analyst, this expert has assisted many leading law firms in defending against or asserting claims of patent infringement and patent validity. This patent work has encompassed Wi-Fi/WLAN standards, Bluetooth standards, DSL standards, all generations of standards for GSM, UMTS, LTE, and CDMA2000 cellular standards, including GSM/3GPP, ETSI, OMA,WAP, CT-2 / DECT / COMS. This expert has given depositions and has extensive testifying experience.

This expert has worked on several patent cases (validity & infringement) concerned with portable communications devices, power consumption and power adjustment.

This expert holds over 35 US and International Patents in the telecommunications field. This expert’s professional activities and services have focused exclusively on mobile, cellular, GPS, wireless and wired technologies, forensics, electronic discovery, markets, standards, spectrum, regulations, networks and services. This expert has taught seminars on mobile, cellular and fixed wireless technologies and has served as a plaintiff and defendant expert witness on a wide spectrum of civil, criminal and business matters/litigation involving wired and wireless technologies, electronic discovery, communications products and services.


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