Jerry A. Kaufman

Messaging Expert Witness, Litigation Support and Patent Analysis Services


SMS/Text, MMS, IMS, IM, Voice, Video and Email Messaging

Jerry Kaufman has over 30 years of experience in cellular, mobile and wireless communications. During this time, he has developed an in-depth knowledge of and expertise in Messaging technologies, systems, standards, markets and industries. His work in Messaging has included teaching, expert witness engagements, technical analyses, patent analysis projects, product development projects, and research reports covering:

  • Messaging Services
    • SMS/Text messaging
    • Picture messaging
    • Instant messaging
    • Multimedia Telephony
    • Email
    • Converged IP Messaging
    • Speech navigation, text-to-speech, and speech-to-text
    • Video messaging
    • Video mail
    • Video Sharing
    • Voice mail
  • Messaging System, Architecture, Technologies and Standards
    • Including functions, protocols, interfaces, signalling and messages for:
      • SMS: Short Message Service including text messaging and Premium SMS
      • SMSC (Short Message Service Center)
      • MMS: Multimedia Messaging Service
      • IM: Instant Messaging and MIM: Mobile Instant Messaging
      • IMS: IP Multimedia Core Network Subsystem
      • Email
      • Converged IP Messaging
      • Voice Mail System
      • Message store-and-forward
      • Message and subsystem gateways and converters
      • Message servers and clients
      • SMS short codes
  • European Telecommunications Standards Institute (ETSI), Third Generation Partnership Project (3GPP), Third Generation Partnership Project 2 (3GPP2) and Open Mobile Alliance (OMA) standards
  • Messaging device functions and components
    • Standard mobile phones to smartphones
    • Operating Systems/OS (Android, Blackberry OS, iOS, Symbian OS, Windows Mobile), IP Multimedia Services Identity Module (ISIM), SIM cards, USIM cards, UICC smart card, activation, registration, authorization, Graphical User Interfaces (GUI), text input, Web browsers, filters and access control
  • Messaging Billing and Charging Systems including usage information (Charging/Call Data Records - CDR), usage collection, rating, charging, call event, accounting and billing
Expert Witness, Litigation Support and Patent Analysis services include:
  • Expert testimony, reports and depositions
    • Testifying with exhibits and preparation of the attorney's material, questions and cross examination
    • Reviewing opposing expert reports, testimony and depositions
    • Assisting in the review, interpretation and understanding of relevant evidence, information and its accuracy
    • Industry, business and technology tutoring and counseling for attorneys and courts
    • Determining the facts of a matter and suggesting case strategy
    • Evaluation of pretrial discovery
    • Preparation of questions in technical matters for depositions
    • Discovery investigation and consulting for interrogatories, depositions and trial
    • Articulating the underlying technologies, systems, processes, methods and their accuracies and limitations
  • Messaging patent analysis & research
    • Patent claims, validity, invalidity, infringement, and non-infringement analysis:
      • Technical review and analysis of patent claims, preparation of claims charts and validity and infringement opinions
      • Defend and counter claims of infringement
      • Identify infringing patents and products
      • Identify infringing technical standards and the systems that incorporate these standards
    • Business, market, and industry value analysis for input into valuation, damages, and royalty base computation
      • Entire market value rule (EMVR) analysis
      • Product value apportionment analysis
      • Analysis of the Smallest Salable Patent Practicing Unit (SSPPU) and the value of the incremental benefit

Please refer to Mr. Kaufman's biography for additional information on his background and capabilities.

For a confidential review of your requirements, please contact Jerry Kaufman at 770-212-9204 or via e-mail at

© 2018 Jerry A. Kaufman