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DVI Communications also provides expert witness support for Intellectual Property (IP) matters involving patent infringement and validity for a large variety of recent technologies in the telecom carrier, multimedia, VoIP, digital imaging, satellite, wireless, security and e-commerce arenas.

We have provided technology Expert Witness support in a variety of legal matters Patent Infringement, Trade Secret Protection, Theft of Intellectual Property, Breach of Contract and other actions in dozens of cases.  We have Several court-qualified experts who have served in both testifying and consultative capacities in litigation in Federal district court as well as, Inter Parties reviews with the USPTO Patent Trial and Appeals Board (PTAB).

Projects where DVI staff have served as testifying experts:

  • Breach of Contract/Fraud for VSAT (Very Small Aperture Technology) satellite system foreign distributor.  Law firm: Robinson Brog Leinwand Greene, Genovese & Gluck P.C.
  • Breach of Contract, Theft of Trade Secrets, Conspiracy, Fraud for Voice/PBX equipment manufacturer.  Law firm: Schiff Hardin
  • Class Action lawsuit re: CO-based System Performance of Voice Mail services for Supported Class in Class Action v. RBOC.  Law firm: Stewart and Irwin P.C.
  • Class Action lawsuit re: Junk Digital Fax (TCPA 1991 & JFPA 2005) for Enterprise Business.  Law firm: Phillips Murrah P.C.
  • Copyright infringement re: Digital Ringtones in mobile Telephony for Licensing and Copyright holder.  Law firm: Lovells LLC
  • Dispute of (satellite) equipment functionality for Manufacturer of VSAT modem equipment.  Law firm: DLA Piper/Abrams & Bayliss
  • Patent infringement for Cellphone Manufacturer.  Law firm: Hogan Hartson LLP (Los Angeles)
  • Patent Infringement for Patent owner re: Call/contact center and progressive/predictive dialer technology.  Law firm: Robins, Kaplan, Miller, & Ciresi LLP
  • Patent infringement and invalidity analyses re: Payphone blocking (Instrument and CO based) for RBOC.  Law firm: Baker Botts LLP (Houston TX)
  • Patent infringement (VoIP & Mobile Telephony) for Mid-size carrier.  Law firm: Ropes & Gray LLC
  • Patent infringement re: Call blocking in cellular telephony for Tier 1 carrier.  Law firm: K&L Gates LLC
  • Patent infringement re: Call Center for Speech analytics software company.  Law firm: DLA Piper
  • Patent infringement re: Captioned Telephony for Disability Telecommunications Equipment Manufacturer.  Law firm: Baker Botts LLP (Austin TX)/Akin Gump (NY)
  • Patent infringement re: POS wireless technology in the hospitality industry for Wireless systems integrator.  Law firm: Bond Schoeneck & King (Syracuse, NY)
  • Patent infringement re: Specialty Communications Cabling & Wire for Cable manufacturer.  Law firm: LaRiviere, Grubman & Payne, LLP (Monterey CA)
  • Patent infringement, Enablement & Invalidity Analyses re: VoIP for Major VoIP service provider.  Law firm: Steptoe & Johnson LLP (Washington DC)
  • Patent Infringement, Invalidity Analysis and consultative support re: geolocation patents integrating Cellular, Wi- Fi and Satellite GPS signals for Tier 1 smartphone manufacturer.  Law firm: Gibson Dunn
  • Patent invalidity /Non-infringement re: Video distribution for Large Telecoms carrier.  Law firm: McCarthy
  • Patent invalidity /Non-infringement re: Video equipment for Manufacturer of provider studio video equipment.  Law firm: Offit Kurman
  • Patent invalidity re: Voice call processing (authorization, selective recording, speech analysis/ZCR) for Voice switch manufacturer.  Law firm: Bragalone
  • Patent invalidity re: VoIP/SIP/MPLS telecom security for Large Telecoms Carrier.  Law firm: Munger, Tolles & Olson
  • Patent invalidity re: VoIP/telecom for Large VoIP manufacturer.  Law firm: Fish Richardson
  • Patent invalidity re: VoIP/telecom for Large Telecoms Carrier.  Law firm: Gibson Dunn
  • Patent invalidity re: IVR/Call Center Systems/Call Recording/Rep Monitoring for Voice Recorder manufacturer.  Law firm: Fox – Rothschild
  • Patent invalidity/Non-infringement re: VoIP/telecom for Tier 1 Telecoms Carrier.  Law firm: Fulbright & Jaworski
  • Patent invalidity/Non-infringement re: VoIP/telecom for Tier 1 Telecoms Carrier.  Law firm: Gibson Dunn
  • Patent invalidity/Non-infringement re: VoIP/telecom/advanced services Patent Invalidity for Large VoIP manufacturer.  Law firm: Cooley
  • Patent invalidity/Non-infringement re: VoIP/telecom/CTI for Large VoIP manufacturer.  Law firm: Morris, Nichols
  • Patent Invalidity re: Imaging/Bank Services for Manufacturer of bank imaging technology equipment.  Law firm: Dimock Stratton / Smart & Biggar
  • Patent Invalidity, Prior Art Assessment for Voice mail patent owner.  Law firm: Kenyon & Kenyon
  • Patent portfolio assessment for Portfolio sale by manufacturer of networking equipment.  Law firm: Sullivan & Cromwell
  • Post Grant Review re: IoT-type patents for Manufacturer of Smart Appliances.  Law firm: McDermott Will & Emery
  • Pre-litigation infringement re: analyses of IVR patent portfolio for Several potential defendants in the energy, telecommunications and financial services sectors.  Law firm: Heller Ehrman
  • Pre-litigation infringement analyses, assessment of Markman ruling claim construction for Wireless carrier.  Law firm: Brown Robert
  • Recapture of payments – Patent Portfolio License for Large insurance company.  Law firm: Bryan Cave (Atlanta, GA)
  • Recapture of PE&O Insurance payout re: IVR System Patent License for Large Insurance provider.  Law firm: D’Amato Lynch (NYC)
  • TCPA Violation re: Analysis of Predictive Dialer technology for Class Action v Major Bank.  Law firm: Bursor Fischer

Selected Expert Witness/Intellectual Property Projects: