Telephony Expert Witnesses

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


Expert Witness #212677

This expert is a proven authority in cellular, wireless, CDMA, GPS, 3G, 4G, LTE, BPL, Satellite and new and developing wireless, data and cellular standards for ANSI-41, GSM, and 3rd Generation Systems. This expert's career has spanned many years in the field of cellular communication. This inventor is a named inventor on approximately thirty patents relating to cellular technology innovations.  

This expert is also one of the most sought-after legal expert witnesses in multiple telephone and data technological areas. A proven authority, this expert's career has spanned many years in the field of cellular communication and includes 27 patents in cellular technology innovations. This expert can break down technical subjects into language a jury will understand and help attorneys become educated on specific areas of technology.

This expert is an extraordinary asset to attorneys seeking case assistance in the fields of wireless, cellular, PCS and telephony. This expert is certified as a testifying expert in Federal and State courts. This expert has assists legal counsel with:

-  Evaluation of pretrial discovery
-  Preparation of questions in technical matters for depositions
-  Determining the facts of a matter and suggesting case strategy
-  Writing subpoena language and providing proper service address for required data
-  Producing and reviewing opposing depositions
-  Testifying with exhibits and preparation of the attorney's material, questions and cross examination
-  Producing technical tutorials for the legal team and for juries

Cases have included:

-  Patent Infringement Matters
-  3G CDMA, TDMA, GSM & AMPS, UMTS and interworking Cellular Telephony
-  Third Generation Wireless/Cellular Architecture
-  Telecom Standards including IPTV, CCITT, TIA, TR45, 3GPP, 3GPP2, BPL, PLC, OPERA and ITU
-  Telecommunication Intellectual Property Rights (regarding issues of validity, timely disclosure, ITC prep)
-  Satellite Communications
-  Internet Telephone, Messaging, SMS, MMS, VoIP, Push-to-Talk, PoC
-  Wireless Fraud, Authentication and Validation Issues
-  Aircraft Passenger Communications

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Expert Witness #212172

This expert earned a PhD in Computer Science. This expert is President of a consulting firm specializing in technology assessment, development and implementation for small- and large-scale technology and internet companies. This expert's telephony experience dates back many years. This expert developed software, deployed, and operated predictive dialer systems for a firm that setup and ran predictive dialing systems for political campaigns. This expert's office spun up and ran a large system for them for an election cycle.


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Expert Witness #230901

This expert is a Computer Scientist and Technology Consultant specializing in Telecommunications, Call Center applications, and Media Distribution. This expert brings many years of experience in a diverse set of technologies including CTI (computer telephony integration), digital voice processing, speech recognition and Natural Language processing. This expert has a deep understanding of protocols and has designed protocols for many different kinds of systems and has had some of them adopted by the American National Standards Institute (ANSI). This expert has been a consulting expert in approximately 50 matters, IPRs, and Patent Litigation cases including cases for Telecommunication and Speech Recognition providing infringement, invalidity, and deposition testimony. This expert has testified at hearings and at trial for about 10 cases.

Professional Experience

Designed and developed some of the earliest available low-bit-rate digital voice communication products for long haul networks. Work included voice models, input digitization, voice feature extraction, encoding and decoding and interfaces to packet network systems. Designed protocols for various communications devices such as data encryptors.

Manager of Embedded Systems Group. Responsible for designing, among other things, protocols for factory automation systems, including communications and networking devices to handle interfacing host computers to subsystems that used different protocols.

Technology consulting in the area of Call Centers, Telephony, Wireless communication, mobile applications, biometrics and user authentication implementing Speech Recognition.

Provide level 1 & 2 evaluation of Patent portfolios to determine strongest / most valuable patents and identify vendors/products that read on stronger patents. Patents were evaluated in: Telephony, VoIP, Wireless devices, speech recognition, and digital device interfaces.

Provided in-depth research services to inventors and Intellectual Property investors. Also consulted on the design of solutions with embedded voice recognition features in the consumer products space.

This expert has been involved in the study and application of Natural Language understanding and processing, especially related to voice to text conversion, knowledge discovery, fact extraction, summarization, language weighting and importance models, etc. This expert has developed suites of software for each of these areas.

Case Experience

Patent Litigation – Consulting expert with responsibility for leading a group of 10 code reviewers reviewing more than 56 gigabytes of source code over a period of 10 months. The source code was associated with servers and services, content distribution servers, content ingestion servers, security and protocols for media sharing and distribution frameworks and architectures of business systems. Also provided expert consultation to litigation team on system architectures, applications, devices, and services. Coordinated with the team leads reviewing source code on similar architectures for other device manufacturers.

Patent Litigation - Consulting expert on infringement and invalidity of patents relating to voice network functions and processing in VoIP networks including enterprise and residential networks.


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Expert Witness #259627

This expert earned a Master's Degree in Software Engineering. This expert brings to the table many years of experience in the technology industry, including in the speech recognition industry where this expert's company developed speech technologies. As the founder of a highly successful and internationally recognized consultancy, this expert has pioneered ground-breaking speech recognition concepts that have pushed the limit of speech recognition in the aviation and aerospace industries. Prior to that, this expert had been involved in speech recognition and artificial intelligence at several other startups that this expert founded. This expert also served as Director of Advanced Technology where this expert helped architect and design an Internet Proxy Cache Server technology. This expert also developed the world's first real-time Internet content filtering technology and became the company's international expert on content filtering. This expert also served on the Business Development Team where this expert was responsible for advanced technology licensing.

This expert developed the first commercial computer telephony system to incorporate artificial intelligence, voice recognition, and text-to-speech. The system was used to offer unattended telephone customer support to callers. This technology was used by many high-technology companies. This expert also developed one of the first software development toolkits for computer telephony boards that turned microcomputers into computer telephony systems.

Additionally, this expert served as President and CTO where this expert was instrumental in the design of a next-generation carrier-class managed voice and data services which utilized voice recognition, text-to-speech (TTS), and mobile wireless connectivity. This expert also has in-depth experience in the vision industry and has developed custom vision cameras and embedded software systems that incorporate artificial intelligence resulting in systems that have been used to provide real-time visual feedback in technologically challenging environments.

This expert is a prolific software coder and has a thorough understanding of the review process at a deep code level. This expert is also familiar with the data compression protocols utilized by Siri as well as Siri's evolutionary operations and growth, including the introduction of their new A11 processor and movement to migrate some speech recognition requests onto the device thus eliminating the need to always establish a client/server connection when some grammar rule based commands can be handled offline.

This expert has received a patent for multi-tasking artificial intelligent processing and still utilizes AI experience in pre and post-recognition processing systems designed by the firm today. This expert has been an expert witness in several speech recognition related cases and is very familiar with the deposition process and deposes very well against the toughest of lawyers.


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Expert Witness #245383

This expert is a PhD candidate and research/teaching assistant working under one of the top wireless communications/telephony experts in the country. This expert has worked extensively as a technical engineer for IP litigation. This expert's areas of specialization include:

-  4G/LTE
-  Packet-Network
-  Telephony
-  Wireless Communication
-  Wireless Sensors
-  Telepresence Software
-  Mobile Hardware and Software

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Expert Witness #209093

This expert brings many years of experience in Computer Science, eCommerce, and Telecommunications. This expert specializes in Natural Language Speech Recognition, with transcription and bi-directional translation, speech recognition servers using standardized speech and command protocols. This expert performed multiple code reviews on Android and IOS Operating system and mobile applications. This expert has been a testifying expert for over 60 cases, IPRs, and Patent Litigation cases including Telecommunication and Speech Recognition providing infringement, invalidity, deposition and trial testimony. This includes testifying in a patent suit for a mobile transaction authorization system using biometric/voice authentication where the judge found for this expert’s client and cited this expert on all points of contention in the case.

Professional Experience

Designed and developed early CTIs (Computer Telephony Interfaces) that implemented early speech recognition.

Designed and Implemented Call Center systems with Voice Recognition using Speech Recognition servers using standard speech protocols and command interfaces. Systems developed include multi-platform support for natural language, command based, and menu-based speech recognition.

Designed and developed Contact Center system including implementation of Natural Language speech recognition using targeted phrase recognition, speech transcription, and industry specific speech applications.

Technology consulting in the area of mobile applications and mobile speech capture for local and remote speech recognition and authentication.

Case Experience

Patent litigation – Testifying expert on speech transcription and bi-directional translation systems for the deaf and hearing impaired, using both local and remote speech recognition using standard and mobile phone communications.

PTAB IPRs

Testifying expert for Call Center IVRs for correctional institutions providing speaker recognition, speaker identification, and automated conversation monitoring to provide visual markers and tags for identifying and reviewing targeted speech segments.

Patent litigation – Testifying expert on audio/speech sampling via mobile microphone and standard protocol transmission of speech samples Includes compressing of audio signals for thumb-print transmission for automatic content recognition (ACR systems). Android code review.

Patent Litigation
Testifying expert in Natural Language command parsing and recognition. System converted voice commands into a Command Line Interface using XML command and parameter sequences.

Patent Litigation for defendant. Provided expertise in telephony-based speech recognition, structured speech input, and call relay to operator assisted speech to text translation using ‘whisper mode’.


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Expert Witness #121596

This expert is a nationally recognized expert in the field of telecommunications and information technology. This expert’s expertise encompasses a broad range of technical and managerial disciplines including voice communications, data networking, carrier services for public/private switched & dedicated networks, image processing, wireless and cable transmission systems, security systems including intruder detection, access control and video surveillance as well as operational and strategic planning. As co-founder and President of a highly sought-after consultancy, this expert is responsible for overseeing corporate operations and providing executive level direction on strategically significant projects. This expert has worked for various organizations in a consultative, design/engineering and managerial capacity. This expert has supported numerous clients with respect to technology consulting in the financial services, high technology, legal, corporate, health care and education sectors. This expert’s technical practice encompasses strategic planning and expert witness litigation support. This expert worked in the military aerospace industry developing strategic and tactical command and control systems for various agencies in the defense and intelligence communities. In addition to litigation experience, this expert and firm have performed an extensive patent portfolio review for a large company working with their in-house Intellectual Property group. In that project this expert evaluated 2 portfolios comprising over 120 patents. The team is highly knowledgeable about the Switched Ethernet and Optical networking marketplace.

AREAS OF EXPERTISE

  • Packet Radio
  • Packet Switching /Internet Protocol
  • Packet Speech / Voice over IP
  • Satellite communications
  • Telephone switching systems
  • Video Surveillance Systems & Video Digitization
  • Voice digitization/voice processing
  • Voice messaging
  • Wireless Communications Systems
  • Automated out dialing systems
  • Access control systems
  • Automatic Call Distribution (ACD) & Interactive Voice Response (IVR)
  • Cabling & Wire-based systems
  • Cellular telephony
  • Intrusion detection systems
  • LOS Microwave Systems
  • Mission - Critical Infrastructure Design for Data Centers
  • Mobility management

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Expert Witness #210351

This expert holds an SM and EE in Electrical Engineering and a PhD in EECS. This expert is a world renown technologist who brings to the table many years of experience and an international consultancy specializing in a wide-range of areas, but particularly in call center, telephony and data-related issues.

This expert also has extensive expert witness experience, including:

  • Consultant for Inter Partes Reviews (IPR) for several patents.
  • Expert witness in patent infringement cases.
  • Expert witness in class action suits.
  • Expert witness in intellectual property lawsuits.
  • Expert witness in patent reexaminations.
  • Expert witness in contract disputes including indemnification.
  • Deposed numerous times, testified several times at Markman hearings and trial.
  • Experience in claim construction, invalidity/validity including 112 issues, and non-infringement/infringement
  • Consultant for evaluation of several patent portfolios.

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Expert Witness #222852

This expert has extensive experience in the design of both cable modems and traditional telephony modems, having started the IEEE standards committee for cable modems, later to become the DOCSIS standard currently used. This expert has been successfully creating advanced data products, including an early desktop computer, wireless LANs, cable modem, ADSL systems, home networking products, and VoIP transport products for a technology consulting firm. This expert is the named inventor of several important patents relating to bandwidth allocation in the controlling of packets in the Data over Cable (CableTV) application as well as voice purposes. This expert has also helped to develop various wireless standards which use packet fragmentation and reassembly and bandwidth allocation and taught several courses in the technology. No stranger to the litigation process, as an expert witness this expert has been deposed and testified at trial in several large patent infringement suits. This expert also has participated in several litigations of the cable modem.


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Expert Witness #231276

This expert was a non-infringement and invalidity expert on a case involving verification of ANI and Caller ID. This expert was a validity expert witness on an IPR involving routing of incoming requests from different communications modalities to best call center resources. This expert was an infringement and validity expert witness a provider of call centers with outbound calling using predictive dialers and other mass calling methods. This expert was a validity expert witness on a case involving licensing of patents involving automation of call center processing. This expert provided consulting services to a provider of large-scale conference calls, analyzing call center, conference call equipment and network services. This expert provided consulting services for requirements for a customer service call center and billing system for the telecommunications vertical. This expert provided consulting services to integrate dispatch management into a customer service call center offering. This expert was responsible for marketing and sales of an Automatic Repair Service Bureau to support telephone line maintenance and repair at smaller telecom companies.


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