Joshua Goshorn | Senior Director

Joshua Goshorn

Senior Director

Joshua Goshorn is a computer engineer and expert witness with more than 25 years of experience analyzing complex software systems for intellectual property and technology-related litigation. His work combines decades of hands-on engineering practice with extensive expert witness experience, including more than 100 cases involving source code analysis, expert reports, declarations, depositions, and testimony before the U.S. International Trade Commission. He has reviewed millions of lines of source code spanning embedded systems, wireless communications, multimedia platforms, cloud software, medical devices, computer vision, and enterprise technologies.

Joshua’s engineering background includes software architecture, embedded systems, communications networks, digital signal processing, multimedia platforms, and distributed software systems developed across telecommunications, defense, consumer electronics, and medical technologies.

At Quandary Peak, Joshua serves as both a testifying and consulting expert in disputes involving software, embedded systems, networking, mobile technologies, multimedia, and other complex technical systems. He helps clients understand sophisticated technologies through rigorous source code analysis, technical investigations, and well-supported expert opinions grounded in decades of engineering experience.

Summary of Qualifications

  • More than 25 years of computer engineering experience spanning embedded systems, communications, multimedia, cloud software, and enterprise technologies.
  • More than 100 litigation engagements involving intellectual property and technology-related disputes.
  • Extensive expert witness experience including 15 expert reports, 7 expert declarations, 9 depositions, and testimony before the U.S. International Trade Commission.
  • C.Phil., M.S., and B.S. in Electrical and Computer Engineering from the University of California, San Diego.
  • Senior Member of the IEEE Computer Society, Communications Society, and Signal Processing Society.
  • Published researcher, coauthor of a book chapter, visiting lecturer at the Naval Postgraduate School, and contributor to collaborative research with Stanford, UC San Diego, UC Berkeley, and NPS.

Areas of Expertise

  • Software Source Code Analysis
    Performs detailed source code investigations supporting litigation related to patent, copyright, and trade secret involving complex software systems.
  • Expert Witness & Technical Investigations
    Prepares expert reports, declarations, technical opinions, and testimony based on rigorous engineering analysis.
  • Embedded Software & Systems
    Extensive experience developing and analyzing embedded software, real-time systems, firmware, hardware interfaces, and operating systems.
  • Wireless Communications & Networking
    Expertise across wired and wireless networking technologies, communication protocols, cellular systems, Wi-Fi, and satellite communications.
  • Digital Signal Processing
    Deep background in signal processing algorithms, communications theory, filtering, coding, and audio processing.
  • Multimedia & Streaming Technologies
    Experience with digital video, media streaming, codecs, IPTV, video-on-demand, and multimedia delivery systems.
  • Computer Vision & Image Processing
    Technical experience involving computer vision, image processing, digital imaging, camera systems, and AI-enabled image analysis.
  • Medical & Healthcare Software
    Experience analyzing software for medical devices, healthcare applications, laboratory automation, and medical imaging technologies.
  • Technical Due Diligence
    Evaluates software systems, intellectual property, and technology assets in support of acquisitions, investments, and independent development analyses.

Testifying Engagements

  • Thomas Majchrowski & Associates v. Rev.com |
    Jurisdiction: U.S. District Court for the Western District of Texas, Austin Division
    Case Number: 1:25-cv-486
    Counsel: Brooks Kushman P.C.
    Expert Scope: Testifying expert. Prepared an expert declaration supporting claim construction.
    Technology: Digital media streaming systems; media players.
  • Etana Custody Limited v. Kenvor Cothey, et al. |
    Jurisdiction: U.S. District Court for the District of Colorado
    Case Number: 1:24-cv-01707-PAB-SBP
    Expert Scope: Testifying expert. Prepared an expert report based on source code analysis.
    Technology: Source code analysis.
  • 10X Genomics, Inc. and President and Fellows of Harvard College v. Vizgen, Inc. |
    Jurisdiction: U.S. District Court for the District of Delaware
    Case Number: 22-595-MFK
    Counsel: White & Case LLP
    Expert Scope: Consulting expert. Analyzed source code implementing genetic sequence decoding algorithms and prepared an expert report.
    Technology: Genomic sequencing; genetic sequence decoding; bioinformatics software.
  • Dynapass IP Holdings LLC v. JPMorgan Chase & Co., et al. |
    Jurisdiction: U.S. District Court for the Eastern District of Texas, Marshall Division
    Case Number: 2:22-cv-00212-JRG-RSP
    Counsel: Jones Day LLP
    Expert Scope: Testifying expert. Analyzed server- and client-side source code related to authentication and security procedures, prepared a rebuttal non-infringement expert report, and testified at deposition.
    Technology: Authentication systems; distributed network security; client-server software.
  • SoftSmile, Inc. v. Institut Straumann AG, et al. |
    Case Number: 273775/PDP
    Counsel: McDermott Will & Emery LLP
    Expert Scope: Testifying expert. Analysis of server-side & client-side source code and prepared an expert report regarding the independent development of software.
    Technology: Distributed network security; client-server software.
  • Impinj, Inc. v. NXP USA, Inc., et al. |
    Jurisdiction: U.S. District Court for the Western District of Texas, Waco Division
    Case Number: 6:21-cv-00530-ADA
    Counsel: Jones Day LLP
    Expert Scope: Testifying expert. Analyzed RFID tag controller and reader implementations, evaluated source code supporting RFID communications protocols and signal processing, and prepared expert reports.
    Technology: RFID communications; RFID tag controllers; RFID readers; signal processing; embedded systems.
  • Impinj, Inc. v. NXP USA, Inc., et al. |
    Jurisdiction: U.S. District Court for the Western District of Washington at Seattle
    Case Number: 2:20-cv-01503-JHC
    Counsel: Jones Day LLP
    Expert Scope: Testifying expert. Analyzed RFID tag controller and reader implementations, evaluated source code supporting RFID communications protocols and signal processing, and prepared expert reports.
    Technology: RFID communications; RFID tag controllers; RFID readers; signal processing; embedded systems.
  • Deborah M. Manchester, PhD v. Sivantos GMBH, Sivantos Inc. |
    Jurisdiction: U.S. District Court for the Central District of California
    Case Number: 2:17-cv-05309-ODW (JEMx)
    Counsel: Alston & Bird LLP
    Expert Scope: Testifying expert. Analyzed source code for a mobile hearing aid configuration application and cloud-based backend system, prepared two expert reports and one declaration, testified at deposition, and was scheduled to testify at trial before the matter settled.
    Technology: Mobile healthcare applications; hearing aid configuration; cloud software.
  • State of Oklahoma v. Purdue Pharma L.P., et al. |
    Jurisdiction: U.S. District Court of Cleveland County, State of Oklahoma
    Case Number: CJ-2017-816
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Prepared an expert declaration regarding the operation of a hosted website, including its web server and database architecture.
    Technology: Web applications; web servers; databases; hosted systems.
  • Nevro Corp. v. Boston Scientific Corp. |
    Jurisdiction: U.S. District Court for the Northern District of California
    Case Number: 3:16-cv-06830-VC-MEJ
    Counsel: Morrison & Foerster LLP
    Expert Scope: Testifying expert. Analyzed software for implantable medical devices, prepared an infringement expert report, and testified at deposition.
    Technology: Implantable medical devices; embedded software; medical device software.
  • Synaptics Incorporated v. Goodix Technology Inc. |
    Jurisdiction: International Trade Commission (ITC)
    Investigation Number: 337-TA-957
    Counsel: Perkins Coie LLP
    Expert Scope: Testifying expert. Analyzed embedded touchscreen controller technologies with spread spectrum communications, prepared an invalidity expert report, and testified at deposition and before the U.S. International Trade Commission.
    Technology: Touchscreen controllers; embedded systems; spread spectrum communications.
  • Finjan, Inc. v. Proofpoint, Inc. |
    Jurisdiction: U.S. District Court for the Northern District of California
    Case Number: 3:13-cv-05808-HSG
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed source code for distributed malware detection systems.
    Technology: Malware detection; cybersecurity; distributed systems.
  • Palmchip Corporation v. Ralink Corporation, Mediatek Inc. et. al. |
    Jurisdiction: Superior Court of the State of California for the County of Santa Clara
    Case Number: JAMS 1110017146
    Counsel: Quinn Emanuel, LLP
    Expert Scope: Analyzed hardware design (Verilog) source code to evaluate independent development and identify potential source code copying using third-party analysis tools.
    Technology: Verilog; hardware design; intellectual property.
  • U.S. Ethernet Innovations, LLC v. Acer, Inc., Hewlett Packard Company, et. al. |
    Jurisdiction: U.S. District Court, Northern District of California, Oakland Division
    Case Number: 4:10-cv-03724-CW; Case No. 4:10-cv-05254-CW
    Counsel: K&L Gates LLP
    Expert Scope: Testifying expert. Analyzed network interface technologies and host processor interactions, and prepared a non-infringement expert report.
    Technology: Network interface devices; host processors; networking.
  • Phaedrus Internet Development, Inc., v. Kaiser Foundation Health Plan, Inc., et. al. |
    Jurisdiction: Superior Court of the State of California, County of Alameda, Hayward Division
    Case Number: RG-10494574
    Counsel: Morrison & Foerster LLP
    Expert Scope: Testifying expert. Prepared and submitted a declaration in a trade secret matter involving distributed image management and processing software.
    Nature of Suit: Trade secrets
    Technology: Image management; image processing; distributed software.
  • Immersion Corporation v. HTC Corporation |
    Jurisdiction: U.S. District Court for the District of Delaware
    Case Number: 12-259-RGA
    Counsel: Perkins Coie LLP
    Expert Scope: Testifying expert. Prepared and submitted a declaration regarding Android source code implementing haptic feedback functionality.
    Technology: Android; haptic feedback; mobile devices.
  • Immersion Corporation v. HTC Corporation |
    Jurisdiction: International Trade Commission (ITC)
    Investigation Number: 337-TA-834
    Counsel: Perkins Coie LLP
    Expert Scope: Testifying expert. Prepared a validity expert report and testified at deposition in a matter involving haptic feedback technologies for mobile devices before the ITC.
    Technology: Haptic feedback; mobile devices; embedded systems.
  • Hitachi Consumer Electronics v. Top Victory Electronics, Vizio, Inc. |
    Jurisdiction: U.S District Court for the Eastern District of Texas, Marshall Division
    Case Number: 2:10-CV-260-JRG
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Testifying expert. Analyzed digital television system-on-chip (SoC) source code and technical documentation, and testified at deposition.
    Technology: Digital televisions; system-on-chip (SoC); embedded software; multimedia systems.

Litigation Consulting

  • Netflix, Inc. v. Broadcom, Inc. and VMware LLC |
    Counsel: Baker Botts LLP
    Expert Scope: Consulting expert. Analyzed virtual machine source code and operating system functionality.
    Technology: Virtual machines; operating systems.
  • Optimum Imaging Technologies LLC v. Nikon Corporation |
    Counsel: Jones Day LLP
    Expert Scope: Consulting expert. Analyzed digital camera source code for image processing algorithms.
    Technology: Digital cameras; image processing; image correction algorithms.
  • Cellwitch Inc. v. Tile, Inc. |
    Counsel: Morgan Lewis & Bockius LLP
    Expert Scope: Consulting expert. Analyzed server-side and embedded source code supporting wireless geo-tagging technologies.
    Technology: Geo-tagging; wireless communications; embedded software.
  • Ericsson, Inc. v. Lenovo Group Ltd. |
    Counsel: Alston & Bird LLP
    Expert Scope: Consulting expert. Analyzed third-party hardware video codec implementations.
    Technology: Video compression; hardware video codecs.
  • InterDigital, Inc. v. Lenovo Group Ltd. |
    Counsel: Alston & Bird LLP
    Expert Scope: Consulting expert. Analyzed third-party hardware video codec implementations.
    Technology: Video compression; hardware video codecs.
  • NEC Corporation v. Becker Professional Development Corporation |
    Counsel: Baker Botts LLP
    Expert Scope: Consulting expert. Analyzed software implementing adaptive bitrate live video streaming.
    Technology: Video streaming; adaptive bitrate streaming.
  • NEC Corporation v. Peloton Interactive, Inc. |
    Counsel: Baker Botts LLP
    Expert Scope: Consulting expert. Analyzed source code implementing adaptive bitrate video streaming technologies in support of a patent infringement matter.
    Technology: Adaptive bitrate video streaming; multimedia content delivery; streaming software.
  • Top Victory Investments Ltd. v. DivX, LLC |
    Jurisdiction: Superior Court of California, County of San Diego
    Case Number: 37-2022-00024579-CU-CO-CTL
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Analyzed digital television products, source code, and technical documentation in a licensing dispute.
    Technology: Digital television; multimedia software; technology licensing.
  • Certain Video Processing Devices, Components Thereof, and Digital Smart Televisions Containing Same; DivX, LLC v. Amazon.com, Inc., et al. |
    Counsel: Fenwick & West LLP
    Expert Scope: Consulting expert. Analyzed source code and hardware implementations related to video streaming technologies in support of a patent infringement investigation.
    Technology: Video streaming; multimedia systems; streaming devices.
  • FUJIFILM Sonosite, Inc. v. Butterfly Network, Inc. |
    Counsel: Baker Botts LLP
    Expert Scope: Consulting expert. Analyzed source code and hardware implementations supporting ultrasound imaging systems in a patent infringement matter.
    Technology: Ultrasound imaging; medical imaging; image processing; embedded software.
  • Image Processing Technologies, LLC v. LG Electronics Inc., et al. |
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Consulting expert. Analyzed source code implementing AI-based image processing and gesture detection features in support of a patent infringement matter.
    Technology: Computer vision; image processing; gesture detection; mobile software.
  • WSOU Investments LLC v. OnePlus Technology (Shenzhen) Co., Ltd. |
    Counsel: Morgan, Lewis & Bockius LLP
    Client: OnePlus Technology (Shenzhen) Co., Ltd. (Defendant)
    Expert Scope: Testifying expert. Analyzed modem firmware supporting LTE and 5G NR cellular technologies and prepared expert reports.
    Technology: LTE; 5G NR; cellular communications; modem firmware.
  • Vocalife LLC v. Google LLC |
    Counsel: Munger, Tolles & Olson LLP
    Expert Scope: Consulting expert. Analyzed firmware running on Google audio speech recognition devices, including signal processing algorithms related to beamforming from microphone arrays.
    Technology: Audio processing; speech detection; microphone arrays; beamforming; embedded firmware.
  • WSOU Investments LLC v. Google LLC |
    Counsel: Warren Lex LLP
    Expert Scope: Consulting expert. Analyzed mobile software technologies, including geolocation and handwriting recognition, in support of patent infringement litigation.
    Technology: Mobile software; geolocation; handwriting recognition; Android.
  • Certain Video Security Equipment and Systems, Related Software, Components Thereof, and Products Containing Same; Verkada, Inc. v. Motorola Solutions, Inc. and Avigilon Corporation |
    Counsel: Baker Botts LLP
    Expert Scope: Consulting expert. Analyzed firmware running on video security cameras and related backend software in support of a patent infringement investigation.
    Technology: Computer vision; video security cameras; embedded firmware; video analytics; backend software.
  • Traeger Pellet Grills LLC v. GMG Products LLC |
    Jurisdiction: U.S. District Court, District of Nevada
    Case Number: 2:20-cv-02161-MMD-DJA
    Counsel: McDermott Will & Emery LLP
    Expert Scope: Consulting expert. Analyzed firmware, backend software, and communications protocols supporting wirelessly connected pellet grills in a patent infringement matter.
    Technology: IoT devices; embedded firmware; wireless communications; cloud-connected devices.
  • GE Healthcare Bio-Sciences AB, et al. v. Bio-Rad Laboratories, Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed software and control systems used in automated liquid chromatography platforms in support of a patent infringement matter.
    Technology: Automated liquid chromatography; laboratory automation; instrument control systems; embedded software.
  • Voxer, Inc. and Voxer IP LLC v. Facebook, Inc. and Instagram LLC |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed technologies for the transmission, broadcast, and reception of multimedia streams in support of a patent infringement matter.
    Technology: Multimedia streaming; live video streaming; media transmission protocols; streaming software.
  • Facebook, Inc., WhatsApp, Inc., and Instagram, LLC v. BlackBerry Limited |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed source code for mobile software applications supporting patent infringement claims involving multiple software technologies, including geolocation and document management.
    Technology: Mobile software; geolocation; document management.
  • Barkan Wireless IP Holdings, L.P. v. CommScope Technologies LLC, et al. |
    Counsel: Baker Botts LLP
    Expert Scope: Consulting expert. Analyzed firmware implementing femtocell communications and cellular networking technologies in support of patent litigation and related PTAB proceedings.
    Technology: Femtocells; LTE; EV-DO; cellular communications; embedded firmware.
  • Sonos, Inc. v. Google LLC |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed networked audio streaming systems, including media players, servers, and communications protocols, in support of patent infringement litigation.
    Technology: Audio streaming; multi-room audio systems; media servers; streaming protocols.
  • Uniloc 2017 LLC v. Google, Inc. |
    Counsel: Cooley LLP
    Expert Scope: Consulting expert. Analyzed multimedia streaming systems, including media players, servers, and communication protocols.
    Technology: Multimedia streaming; media players; media servers; streaming protocols.
  • Bell Northern Research, LLC v. ZTE Corporation |
    Counsel: McDermott Will & Emery LLP
    Expert Scope: Consulting expert. Analyzed source code for mobile devices and baseband processors in a patent infringement matter.
    Technology: LTE communications; mobile devices; baseband processors.
  • PACT XPP Schweiz AG v. Intel Corporation |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed source code implementing graphics processor technologies.
    Technology: Graphics processors (GPUs); graphics software.
  • Certain Capacitive Touch Sensing Systems, Capacitive Touch Sensing Controllers, Microcontrollers with Capacitive Touch Sensing Functionality, and Components Thereof: Neodron Ltd. v. Amazon.com, Inc., et al. |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Consulting expert. Analyzed firmware and hardware implementations for touchscreen controller technologies in an ITC investigation.
    Technology: Touchscreen controllers; embedded firmware; touch sensing hardware.
  • Certain Capacitive Touch Sensing Systems, Capacitive Touch Sensing Controllers, Microcontrollers with Capacitive Touch Sensing Functionality, and Components Thereof: Neodron Ltd. v. Samsung Electronics Co., Ltd., et al. |
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Consulting expert. Analyzed firmware and hardware implementations for touchscreen controller technologies in an ITC investigation.
    Technology: Touchscreen controllers; embedded firmware; touch sensing hardware.
  • Neodron Ltd. v. Dell Inc. |
    Counsel: Alston & Bird LLP
    Expert Scope: Testifying expert. Analyzed firmware and hardware implementations for touchscreen controller technologies in an ITC investigation.
    Technology: Touchscreen controllers; embedded firmware; touch sensing hardware.
  • Dish Network L.L.C. v. Jadoo TV, Inc. |
    Counsel: Baker Botts LLP
    Expert Scope: Consulting expert. Analyzed source code for streaming video set-top box technologies.
    Technology: Streaming video; set-top boxes; embedded software; multimedia systems.
  • Infernal Technology LLC v. Microsoft Corporation |
    Counsel: Tanduri LLP
    Expert Scope: Analyzed graphics processor source code related to video game graphics engines.
    Technology: Graphics processors; video game graphics engines.
  • ZiiLabs Inc. v. NVIDIA Corporation |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed source code implementing graphics processor technologies.
    Technology: Graphics processors; graphics software.
  • BiTMICRO Inc. v. Samsung |
    Counsel: Kirkland & Ellis LLP
    Expert Scope: Analyzed source code for solid-state storage drivers.
    Technology: Solid-state storage; storage drivers; embedded software.
  • Tessera Advanced Technologies, Inc. v. Samsung |
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Consulting expert. Analyzed source code implementing image processing and computer vision algorithms for camera systems.
    Technology: Image processing; computer vision; camera software.
  • Sony, Inc. v. FujiFilm, Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed drive software source code in a matter involving magnetic drive technologies.
    Technology: Magnetic drive technologies; drive software.
  • Motorola Solutions v. Hytera Inc. |
    Counsel: Kirkland & Ellis LLP
    Expert Scope: Analyzed source code for two-way radio communication systems in support of a patent infringement matter.
    Technology: Two-way radios; wireless communications; embedded software.
  • ZiiLabs Inc. v. Advanced Micro Devices, Inc. |
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Consulting expert. Analyzed source code implementing graphics processor architecture and related algorithms.
    Technology: Graphics processors (GPUs); graphics architecture.
  • IP Bridge, Inc. v. TCL Communication Technology Holdings Ltd. |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Analyzed UMTS/LTE baseband software source code in support of patent infringement claims.
    Technology: 4G LTE; UMTS; mobile devices; baseband processors; cellular communications.
  • Nokia v. Huawei |
    Counsel: Alston & Bird LLP
    Expert Scope: Analyzed UMTS/LTE baseband software source code in support of patent infringement claims.
    Technology: 4G LTE; UMTS; mobile devices; baseband processors; cellular communications.
  • Amazon, Inc. v. Eolas Technologies, Inc. |
    Counsel: Latham & Watkins LLP
    Expert Scope: Consulting expert. Analyzed source code for internet-based software systems in support of a patent infringement matter.
    Technology: Internet systems; web software.
  • Google, Inc. v. Eolas Technologies, Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed source code for internet-based software systems in support of a patent infringement matter.
    Technology: Internet systems; web software.
  • Fitbit, Inc. v. Valencell, Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed digital signal processing algorithms supporting motion tracking using accelerometers.
    Technology: Motion tracking; digital signal processing; accelerometers; wearable devices.
  • IBM v. Teraproc Inc. |
    Counsel: Kirkland & Ellis LLP
    Expert Scope: Analyzed source code in a trade secret and copyright matter involving server load-sharing software.
    Nature of Suit: Trade secrets; copyright
    Technology: Server software; load balancing.
  • California Institute of Technology v. Broadcom Ltd., et al. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed hardware and software implementations of LDPC encoder and decoder technologies in support of patent infringement litigation.
    Technology: Error correction coding (LDPC); IEEE 802.11n/ac; wireless communications; hardware and software implementations.
  • Samsung Electronics Co., Ltd. v. Huawei Technologies Co., Ltd. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Analyzed UMTS/LTE baseband software source code in support of patent infringement litigation.
    Technology: 4G LTE; UMTS; mobile devices; baseband processors; cellular communications.
  • Image Processing Technologies LLC v. Samsung Electronics Co., Ltd. |
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Consulting expert. Analyzed source code implementing image processing and computer vision algorithms for camera systems.
    Technology: Image processing; computer vision; camera software.
  • Palo Alto Networks, LA Unified School District, and Mobile Active Defense Inc. |
    Expert Scope: Neutral expert retained jointly by all parties to perform source code analysis in a trade secret and copyright matter.
    Nature of Suit: Trade secrets; copyright
  • Raytheon v. Cray |
    Counsel: Steptoe & Johnson LLP
    Expert Scope: Consulting expert. Analyzed technologies related to network routing devices in support of a patent matter.
    Technology: Routing devices; networking; communications systems.
  • Avago Technologies Ltd. v. ASUSTeK Computer Inc. |
    Counsel: Alston & Bird LLP
    Expert Scope: Consulting expert. Analyzed technologies related to wireless communications and video processing in support of a patent infringement matter.
    Technology: Wireless communications; video processing; multimedia systems.
  • Evolved Wireless LLC v. Samsung Electronics Co., Ltd. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Analyzed technologies related to 4G LTE mobile devices and base stations in support of patent infringement litigation.
    Technology: 4G LTE; mobile devices; base stations; cellular communications.
  • Wal-Mart Stores, Inc. v. Eolas Technologies, Inc. |
    Counsel: White & Case LLP
    Expert Scope: Consulting expert. Analyzed source code for internet-based software systems in support of a patent infringement matter.
    Technology: Internet systems; web software.
  • Dynamic Digital Depth Research Pty Ltd. v. LG Electronics, Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed source code implementing 2D-to-3D image conversion technologies.
    Technology: 2D-to-3D conversion; image processing; computer vision.
  • Cellular Communications Equipment LLC v. Samsung Electronics Co., Ltd. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed technologies related to UMTS cellular communications in support of patent infringement litigation.
    Technology: UMTS; cellular communications; mobile devices.
  • Cisco Systems, Inc. v. Backflip Software |
    Counsel: Winston & Strawn LLP
    Expert Scope: Analyzed software implementing unified messaging systems in support of a patent matter.
    Technology: Unified messaging; enterprise software; communications systems.
  • Raytheon v. Sony |
    Counsel: Steptoe & Johnson LLP
    Expert Scope: Consulting expert. Analyzed hardware and software supporting semiconductor manufacturing processes for digital camera devices.
    Technology: Semiconductor manufacturing; digital cameras; hardware; software.
  • PerDiemCo LLC v. Industrack, et al. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed source code implementing geolocation and asset-tracking technologies.
    Technology: Geolocation; GPS tracking; asset tracking.
  • Google Inc. v. CallWave Communications, LLC |
    Counsel: Winston & Strawn LLP
    Expert Scope: Analyzed software implementing Voice over IP (VoIP) systems in support of a patent matter.
    Technology: Voice over IP (VoIP); communications software; networking.
  • Fortinet, Inc. v. FireEye, Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed source code for distributed malware detection systems.
    Technology: Malware detection; cybersecurity; distributed systems.
  • Hitachi v. TPV Technology Ltd. |
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Testifying expert. Analyzed source code and technical documentation for digital television system-on-chip (SoC) technologies in a patent infringement matter.
    Technology: Digital televisions; system-on-chip (SoC); embedded software; multimedia systems.
  • Samsung Electronics Co., Ltd. v. NVIDIA Corporation |
    Counsel: Kirkland & Ellis LLP
    Expert Scope: Consulting expert. Analyzed source code implementing graphics processor algorithms.
    Technology: Graphics processors (GPUs); graphics algorithms.
  • Rovi Corporation v. Netflix, Inc. |
    Counsel: McDermott Will & Emery LLP
    Expert Scope: Consulting expert. Analyzed source code supporting video-on-demand streaming systems.
    Technology: Video-on-demand; streaming video; multimedia systems.
  • Cellular Communications Equipment LLC v. Samsung Electronics Co., Ltd. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed technologies related to UMTS cellular communications and IP firewall systems in support of patent infringement litigation.
    Technology: UMTS; cellular communications; IP firewalls; networking.
  • California Institute of Technology v. Hughes Network Systems |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed hardware and software implementations of LDPC encoder and decoder technologies for satellite communications systems.
    Technology: Error correction coding (LDPC); DVB-S2; satellite communications; hardware and software implementations.
  • CSIRO v. MediaTek Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed technologies related to OFDM and IEEE 802.11 wireless communications in support of a patent matter.
    Technology: OFDM; IEEE 802.11; wireless communications.
  • Adaptix, Inc. v. AT&T Mobility LLC and HTC Corporation |
    Counsel: Akin Gump Strauss Hauer & Feld LLP
    Expert Scope: Analyzed technologies related to 4G LTE mobile communications in support of patent infringement litigation.
    Technology: 4G LTE; mobile devices; cellular communications.
  • Rockstar v. Google Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed technologies related to internet systems and mobile devices, including mapping software, in support of patent infringement litigation.
    Technology: Internet technologies; mobile devices; mapping software.
  • Rockstar v. Samsung Electronics Co., Ltd. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed internet technologies, mobile devices, firewall systems, and network security technologies in support of patent infringement litigation.
    Technology: Internet technologies; mobile devices; firewalls; network security.
  • National Cheng Kung University (NCKU) v. Samsung Electronics Co., Ltd. |
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Consulting expert. Analyzed technologies related to camera image processing in support of a patent infringement matter.
    Technology: Image processing; digital cameras; computer vision.
  • SK hynix Inc. |
    Counsel: K&L Gates LLP
    Expert Scope: Reviewed technologies related to read channel detectors and error correction algorithms for disk controllers.
    Technology: Disk controllers; read channel detectors; error correction algorithms; storage systems.
  • Optical Devices, LLC v. Samsung Electronics Co., Ltd. |
    Counsel: O'Melveny & Myers LLP
    Expert Scope: Consulting expert. Analyzed servo control algorithms for optical disc drive controllers in support of an ITC patent investigation.
    Technology: Optical disc drives; servo control algorithms; storage controllers; embedded systems.
  • Optical Devices, LLC v. MediaTek Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed servo control algorithms for optical disc drive controllers in support of an ITC patent investigation.
    Technology: Optical disc drives; servo control algorithms; storage controllers; embedded systems.
  • Lenovo |
    Counsel: Akin Gump Strauss Hauer & Feld LLP
    Expert Scope: Expert in patent litigation involving technologies for the storage and migration of user settings.
    Technology: User settings; data migration; mobile software.
  • STMicroelectronics |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed technologies related to accelerometer signal processing and motion detection sensors in support of an ITC patent investigation.
    Technology: Accelerometers; motion detection; signal processing; embedded systems.
  • Samsung Electronics Co., Ltd. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP; Steptoe & Johnson LLP; Williams & Connolly LLP
    Expert Scope: Consulting expert. Analyzed technologies related to 3G cellular communications, mobile devices, user interface technologies, gesture recognition, and touchscreen controllers in support of multiple patent infringement matters.
    Technology: 3GPP Release 99; WCDMA; HSDPA; HSUPA; mobile devices; gesture recognition; touchscreen controllers.
  • Vringo Inc. |
    Expert Scope: Evaluated the technical capabilities of a 3GPP network analyzer.
    Technology: 3GPP; network analysis; cellular communications.
  • Lenovo |
    Counsel: Akin Gump Strauss Hauer & Feld LLP
    Expert Scope: Expert in patent litigation involving technologies for the storage and migration of user settings.
    Technology: User settings; data migration; mobile software.
  • FastVDO LLC v. Universal Studios, et al. |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Consulting expert. Analyzed video compression technologies in support of patent infringement litigation involving multiple defendants.
    Technology: Video compression; multimedia systems; digital video.
  • MOSAID Technologies Inc. v. Marvell Semiconductor, Inc., et al. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed wireless communications technologies and communications systems in support of patent infringement litigation involving multiple defendants.
    Technology: IEEE 802.11; wireless communications; communications systems.
  • MediaTek Inc. and Ralink Technology Corporation |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed wireless communications and video processing technologies, including baseband processor source code, in support of an ITC patent investigation.
    Technology: Wireless communications; video processing; baseband processors; IEEE 802.11; direct sequence spread spectrum (DSSS); video codecs.
  • Samsung Electronics Co., Ltd. |
    Counsel: Ashurst LLP
    Expert Scope: Consulting expert. Analyzed technologies related to 3G cellular communications and mobile phones in support of international patent litigation.
    Technology: 3G cellular communications; mobile devices; WCDMA.
  • Motorola Mobility LLC |
    Counsel: Steptoe & Johnson LLP
    Expert Scope: Testifying expert. Analyzed haptic feedback technologies for mobile devices in support of an ITC patent investigation.
    Technology: Haptic feedback; mobile devices; embedded systems.
  • Comcast Corporation |
    Counsel: Davis Polk & Wardwell LLP
    Expert Scope: Consulting expert. Analyzed CDMA2000 cellular communications technologies, including packet data network architecture and core network functions, in support of patent litigation.
    Technology: CDMA2000; 3GPP2; packet data networks; Base Station Controllers (BSC); Packet Control Function (PCF); Packet Data Serving Node (PDSN); RADIUS.
  • Samsung Electronics Co., Ltd. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP; Steptoe & Johnson LLP
    Expert Scope: Consulting expert. Analyzed technologies related to 3G cellular communications, mobile devices, user interface technologies, gesture recognition, and touchscreen controllers in support of ITC and district court patent litigation.
    Technology: 3GPP Release 99; WCDMA; HSDPA; HSUPA; mobile devices; gesture recognition; touchscreen controllers.
  • Link_A_Media Devices Corporation |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Consulting expert. Analyzed channel equalization, detection, and error correction technologies for magnetic disk storage systems in support of patent litigation.
    Technology: Magnetic disk storage; LDPC; soft-output Viterbi algorithm (SOVA); channel equalization; error correction coding.
  • Rambus Inc. v. Broadcom Corp., MediaTek Inc., et al. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed channel equalization technologies for high-speed communication buses in support of an ITC patent investigation.
    Technology: High-speed bus communications; channel equalization; signal processing.
  • DocMagic, Inc. |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Testifying expert. Conducted a technical investigation of software, evaluated its independent development, and prepared expert reports for a software copyright matter.
    Technology: software development.
  • Sony Corporation |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed technologies related to digital televisions, IPTV systems, image processing, content protection, and networking protocols in support of ITC and district court patent litigation.
    Technology: Digital televisions; IPTV; image processing; content protection; networking protocols.
  • Motorola, Inc. |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed user interface technologies for cable television set-top boxes in support of ITC and district court patent litigation.
    Technology: Cable set-top boxes; user interfaces; digital television; embedded software.
  • Autodesk Corporation |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Testifying expert in software copyright litigation involving image processing, color correction, and video effects software.
    Nature of Suit: Copyright
    Technology: Image processing; color correction; video effects software.
  • Sony Corporation |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed digital television technologies, including image processing, content protection, and networking protocols, in support of an ITC patent investigation.
    Technology: Digital televisions; image processing; content protection; networking protocols.
  • Funai Corporation |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Consulting expert. Analyzed digital television technologies involving the ATSC DTV protocol in support of an ITC patent investigation.
    Technology: Digital television; ATSC; DTV protocols.
  • Sony Corporation |
    Counsel: Quinn Emanuel Urquhart & Sullivan LLP
    Expert Scope: Consulting expert. Analyzed digital television technologies involving physical layer communications, error correction coding, image processing, content protection, and networking protocols.
    Technology: Digital televisions; Reed-Solomon codes; trellis coding; image processing; content protection; networking protocols.
  • Sokkia Corporation |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Consulting expert. Analyzed surveying software utilizing Global Positioning System (GPS) technologies in a software copyright dispute.
    Nature of Suit: Copyright
    Technology: GPS; surveying software; geospatial systems.
  • Funai Corporation |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Consulting expert. Analyzed digital television technologies involving video scaling and the ATSC digital television standard in support of an ITC patent investigation.
    Technology: Digital television; ATSC; video scaling; video processing.
  • Gantz Mountain Intelligence Automation Systems, Inc. |
    Expert Scope: Technical advisor and consultant. Designed and developed proprietary intelligent sensor nodes and wireless networking technologies for defense and situational awareness applications.
    Technology: Wireless sensor networks; embedded systems; defense technologies; situational awareness.
  • Google Inc. |
    Expert Scope: Retained as a consulting expert to analyze patent portfolios related to Google Voice, Android, and mobile technologies.
    Technology: Google Voice; Android; mobile technologies.
  • Patent Portfolio Due Diligence |
    Counsel: Gutride Safier LLP
    Expert Scope: Performed technical due diligence on a patent portfolio involving distributed software systems.
    Technology: Distributed software systems.
  • Toshiba |
    Counsel: Morrison & Foerster LLP
    Expert Scope: Software engineering expert for an acquisition transaction. Reviewed software and hardware technologies for a target company and prepared an expert report with findings.
    Technology: Software engineering; hardware systems; currency counting and sorting systems; distributed sensors.
  • Florentine Partners |
    Expert Scope: Performed technical due diligence on technology companies for potential investment opportunities, evaluating communications systems, computer networks, and emerging technologies.
    Technology: Communications systems; computer networks.
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