Sigurd Meldal - Computer Expert Witness

Sigurd Meldal, Dr.Sc.

Senior Computer Scientist

Sigurd Meldal is a Professor in the Department of Computer Engineering at San Jose State University and the Director of the Cybersecurity + Big Data Initiative at SJSU.

Dr. Meldal has testified in federal court as an expert witness in the fields of computer science, computer engineering and software engineering. In this role, he has provided technical opinions in IP litigation regarding mobile devices, networked systems and services‑oriented architectures.

In particular, Dr. Meldal has assisted in litigation and related processes involving smartphones, wireless communication and telephony, networked database systems, location-oriented web services, and mobile device positioning systems.

Summary of Qualifications

  • Well known as an influential scholar in the computer science community for his discoveries and inventions in the areas of software engineering, computer programming, and theoretical computer science.
  • Serves as Director of the Cybersecurity + Big Data Initiative, where he is spearheading new research and graduate programs in cyber security and data sciences.
  • Previously served as Chair of the Department of Computer Engineering at San Jose State University, where he remains a tenured faculty member in both the Computer Engineering and Computer Science Departments.
  • Has testified in federal court and been deposed as an expert witness about iOS, Android, AMSS, and Blackberry software running on Apple, Qualcomm and other mobile hardware platforms, as well as more generic software systems and networked server architectures.
  • Has provided expert testimony and declarations related to § 101 (patentable subject matter) defenses based on the SCOTUS verdict in the case of Alice Corp. v. CLS Bank International.
  • Co-authored the seminal paper on the algebraic foundations of non-deterministic operators, which has been widely cited by his academic peers in related research publications.
  • Was a senior researcher in the project developing the Rapide language framework for prototyping of distributed architectures and the abstraction mechanisms necessary for large-scale conformance checking.
  • Authored the curriculum for Cal Poly’s new undergraduate degree in software engineering and San José State University’s new BS and MS Software Engineering degrees.
  • Has worked with universities in India and China to establish collaborative frameworks for student and faculty exchanges, and for dual or joint degree programs bringing together students from different countries into one educational context.
  • Has published a book and more than 60 peer-reviewed technical papers on a broad spectrum of practical and theoretical subjects in software engineering and computer science.

Areas of Expertise

  • Mobile and wireless software, operating systems, and applications

    iOS, Android, Windows Phone, BlackBerry OS (bbOS), Qualcomm Brew, Symbian, Windows 8

  • Telecommunications and network protocols

    GSM, CDMA, WCDMA, LTE, 802.11, WiFi, WAN, TSL, Rapide, protocol specification

  • Mobile device and smartphone hardware

    iPhone, iPad, Qualcomm Mobile Station Modem (MSM) architectures and systems-on-a-chip (SoC), ARM processors, BlackBerry, Google, HTC, and Nokia devices

  • Operating systems (OS)

    MacOSX, Unix, Linux, Windows

  • Cyber security and big data

    Public policy, cyber risk management

  • User interface design

    iOS, Android, Windows, BlackBerry

  • Design methodologies and tools

    Object oriented programming and design, UML, design patterns, soft formal verification and testing, concurrent systems design

  • Distributed systems

    Cloud architectures, services-oriented multi-tiered architectures

  • Programming languages

    VHDL, C, C++, C#, Java, assembly languages, Fortran, Cobol, Simula, Snobol

  • Databases

    SQL, MySQL

  • Software architecture and distributed systems

    Service-oriented architectures, networked server architectures, architecture prototyping frameworks, architecture description languages, large-scale conformance checking, and other areas

  • Other

    Geographic information systems, bioinformatics, software and computer engineering accreditation/professional standards

Litigation Experience

  • Immersion Corp. v. Apple Inc. and AT&T Mobility LLC.


    Jurisdiction: US International Trade Commission
    Counsel: Irell & Manella LLP
    Nature of Suit: Intellectual Property – Patent

  • Callwave Communications LLC v. Google Inc.


    Jurisdiction: US District Court for the District of Delaware
    Counsel: Milbank, Tweed, Hadley & McCloy LLP
    Nature of Suit: Intellectual Property – Patent

  • Ancora Technologies, Inc. v. Apple, Inc.


    Jurisdiction: US District Court for the Northern District of California
    Counsel: Brooks Kushman P.C.
    Nature of Suit: Intellectual Property – Patent

  • Global Cash Access, Inc. v. NRT Tech. Corp. And NRT Technologies, Inc.


    Jurisdiction: US International Trade Commission
    Counsel: Pillsbury Winthrop Shaw Pittman LLP
    Nature of Suit: Intellectual Property – Patent

  • Yodlee, Inc. v. Plaid Technologies Inc.


    Jurisdiction: US District Court for the District of Delaware
    Counsel: Fish & Richardson P.C.
    Nature of Suit: Intellectual Property – Patent

  • Adam Backhaut et al. v. Apple Inc.


    Jurisdiction: US District Court for the Northern District of California
    Counsel: Audet & Partners LLP
    Nature of Suit: Class Action

  • Fox Television Stations, Inc., Twentieth Century Fox Film Corporation,and Fox Broadcasting Company, Inc. v.
    Filmon X, LLC, Alkiviades “Alki” David,
    Filmon.tv Networks, Inc., Filmon.tv.inc., Filmon.Com, Inc.


    Jurisdiction: US District Court, Central District Court of California
    Counsel: Baker Marquart LLP
    Nature of Suit: Copyright – 17 U.S.C. § 111 Licensing

  • NBCUniversal Media, LLC v. FilmOn X, LLC


    Jurisdiction: US District Court, Central District Court of California
    Counsel: Baker Marquart LLP
    Nature of Suit: Copyright – 17 U.S.C. § 111 Licensing

  • Fox Television Stations, Inc. v. FilmOn X, LLC


    Jurisdiction: US District Court District of Columbia
    Counsel: Baker Marquart LLP
    Nature of Suit: Copyright – 17 U.S.C. § 111 Licensing

  • Filmon X, LLC v. Window To The World Communications, Inc.


    Jurisdiction: US District Court for The Northern District of Illinois. Eastern Division
    Counsel: Baker Marquart LLP
    Nature of Suit: Copyright – 17 U.S.C. § 111 Licensing

  • Intellectual Ventures II LLC v. JP Morgan Chase & Co., et al.


    Jurisdiction: US District Court for the Southern District of New York
    Counsel: Feinberg Day Alberti & Thompson LLP
    Nature of Suit: Intellectual Property – Patent

  • Via Licensing Corporation v. Barnes & Noble, Inc.


    Jurisdiction: Superior Court of the State of California for the County of San Francisco
    Counsel: King & Spalding LLP
    Nature of Suit: Intellectual Property – Breach of Contract

  • Nokia Corporation and Nokia Inc. v. HTC Corporation and HTC America, Inc.


    Jurisdiction: United States International Trade Commission
    Counsel: Desmarais LLP
    Nature of Suit: Intellectual Property – Patent

  • Porto Technology, Co., Ltd., Porto Technology, LLC, and Ji-Soo Lee v. Cellco Partnership d/b/a Verizon Wireless


    Jurisdiction: U.S. District Court for the Eastern District of Virginia
    Counsel: Fox Rothschild LLP
    Nature of Suit: Intellectual Property – Patent

  • Phoenix Licensing, LLC and LPL Licensing, LLC v. Aegon USA, Inc., et al.


    Jurisdiction: US District Court for the Eastern District of Texas
    Counsel: Alston and Bird, LLP
    Nature of Suit: Intellectual Property – Patent

  • Civix-DDI, LLC v. LoopNet, Inc.


    Jurisdiction: US District Court for the Northern District of Illinois, Eastern Division
    Counsel: Kirkland and Ellis, LLP and Orrick, Herrington & Sutclife LLP
    Nature of Suit: Intellectual Property – Patent

  • MobileMedia Ideas, LLC v. Apple Inc.


    Jurisdiction: US District Court for the District of Delaware
    Counsel: Proskauer Rose, LLP
    Nature of Suit: Intellectual Property – Patent

  • Dan Holton v. Marvell Semiconductor, Inc.


    Jurisdiction: Superior Court of the State of California, County of Santa Clara
    Counsel: Wilson, Sonsini, Goodrich & Rosati
    Nature of Suit:

  • Civix-DDI, LLC v. Hotels.com, LP and Hotels.com GP, LLC


    Jurisdiction: US District Court for the Northern District of Illinois
    Counsel: Kirkland and Ellis, LLP
    Nature of Suit: Intellectual Property – Patent

  • Certain Personal Data and Mobile Communications Devices and Related Software


    Apple Inc. v. Nokia Corp. and Nokia Inc.
    Jurisdiction: International Trade Commission
    Counsel: Alston & Bird, LLP
    Nature of Suit: Intellectual Property – Patent

  • Kevin L. Keithley and Tren Technology Holdings, LLC v. The Homestore.com, Inc., National Association of Realtors,
    and National Association of Home Builders of the United States


    Jurisdiction: US District Court for the Northern District of California
    Counsel: Alston & Bird, LLP
    Nature of Suit: Intellectual Property – Patent

  • Rowe International Corp. and Arachnid, Inc. v. Ecast, Inc., Rock-Ola Manufacturing Corporation, and View
    Interactive Entertainment Corp.


    Jurisdiction: US District Court for the Northern District of Illinois
    Counsel: Beck, Ross, Bismonte & Finley, LLP
    Nature of Suit: Intellectual Property – Patent

  • Ecast, Inc., v. TouchTunes Music Corporation


    Jurisdiction: US District Court for the Northern District of California
    Counsel: Morrison & Foerster LLP
    Nature of Suit: Intellectual Property – Patent

  • 1st Media LLC, vs. TouchTunes Music Corporation, Ecast Inc., Fatburger Corporation, and Rock-Ola Manufacturing
    Corporation


    Jurisdiction: US District Court for the District of Nevada
    Counsel: Morrison & Foerster LLP
    Nature of Suit: Intellectual Property – Patent

  • Rowe International Corp. and Arachnid, Inc. vs. Ecast, Inc., Rock-Ola Manufacturing Corporation, and View
    Interactive Entertainment Corp.


    Jurisdiction: US District Court for the Northern District of Illinois
    Counsel: Morrison & Foerster LLP
    Nature of Suit: Intellectual Property – Patent

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