Alexander Resources Cell Phone Experts and Consultants
Product and Technology Analysis, Expert Witness,

Patent Infringement and Validity,
and Litigation Support Services

Cell Phones

Our work in cell (cellular) phone technologies, networks, devices and standards began in 1990. This work has included technical analysis, patent analysis projects, expert witness engagements, research reports, and seminars. As a result, we have developed an in-depth knowledge and understanding of nearly every facet of cell phones. This includes:

  • 2G, 3G and 4G cell phones, feature phones, smartphones, iPhones & Android mobile phones
  • Cell phone architecture, functions, Operating Systems/OS, Graphical User Interfaces (GUI), text input, SIM cards, USIM cards, UICC smart card, activation, registration, authorization, Web browsers, filters and access control
  • Cellular Phone Network Technologies, Architectures, & Standards
    • Including functions, protocols, interfaces, signalling and messages for:
      • 3GPP, GPRS & EDGE, GSM, GSM MAP, HSPA (HSDPA, HSUPA & HSPA+), LTE, OFDM, OFDMA, UMTS, WCDMA, 3GPP2, 1xRTT, CDMA, CDMA2000, EV-DO, IS-95, IMT-Advanced,  IMT-2000, FDMA, TDMA, IS-41C & WIN, IS-54 & IS-136
  • Cell Phone Radio Signaling (modulation and encoding)
    • Analog (Amplitude, Frequency and Phase); Digital Amplitude (ASK), Frequency (FSK), and Phase (PSK)
  • European Telecommunications Standards Institute (ETSI), Third Generation Partnership Project (3GPP) and Third Generation Partnership Project 2 (3GPP2) standards
  • Cell phone Billing and Charging Systems including usage information (Charging/Call Data Records - CDR), usage collection, rating, charging, call event, accounting and billing
  • Cell Phone triangulation and location determination
    • LoCation Services (LCS) and Positioning methods (/locating methods) and technologies
    • Cell Phone tracking data/cell site data
    • Sender and receiver identity and location
  • Cellular Phone and Smart Phone Applications & Services
    • Messaging: Email, text/instant messaging, SMS, EMS, MMS, voice mail, picture/video messages, ringtones, answer tones, and ringback tones
    • Systems, methods, practices, standards and technologies used to manage, store, generate, send, and receive voice, text, MMS and SMS messages
  • Cell Phone and Smartphone Spectrum Use, Management and Availability
  • Competitive analysis (carriers/operators, manufacturers, developers, distributors, resellers)
  • Cell Phone Market Forecasts and Analysis (subscribers, sales and shipments)

Our Litigation Support Services in Cell Phones include Product and Technology Analysis, Patent Analysis and Expert Witness Services. Previous Cell Phone engagements have addressed:

  • System, standards, network, product and technology analysis (from a technical, functional, & market/industry and competitive perspective)
  • Patent analysis & research
    • 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
    • Patentability Evaluations
    • Portfolio Analysis
    • Product value apportionment analysis
    • Entire market value rule (EMVR) analysis
  • Product quality, defects, repair and warranty issues
  • Cell Phone product & technology licensing and agreements
    • Joint development agreements
    • Product development agreements
      • Product specifications
  • Confidentiality of trade secrets, customer lists, business plans, new & proprietary products and services
  • Business management, practices & operations
    • Contracts
    • Sales, marketing and distribution agreements
      • Dealer and distributor relationships and agreements
    • Royalty calculations & payments
    • Supplier agreements
    • Purchase orders and purchase agreements
For additional information see: Patent Analysis and Expert Witness Services

Other expert and consulting services focus on:
Cell Phones
Cell Phone Records, Billing and Usage
Mobile Phones
Radio Spectrum
Telephone Consumer Protection Act (TCPA)

Our Litigation Support Services are headed by Mr. Jerry Kaufman, the president of Alexander Resources. In addition to managing all engagements, he directly manages the research and production of all expert reports, analysis, and testimony. He personally testifies at trial and depositions.

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

For a confidential review of your requirements, please contact Carol Smyth at 972-818-8225 or via e-mail at

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