Jack Ko, Pillsbury’s Shanghai office managing partner, provides strategic IP counseling, litigation and technical advice to companies in the United States, Taiwan and China.

With advanced degrees in electrical and computer engineering, Jack leverages legal and hands-on experience in semiconductors, materials science, nanotechnology, wireless technology, optics, computer architecture and smartphones to deliver effective counsel to clients. He litigates in U.S. district courts and represents clients in ITC, arbitration and USPTO proceedings, including inter partes reviews. He also structures licensing deals; advises on due diligence and pre-suit investigations; and handles patent prosecution.

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Jack has 10 years of research and engineering experience in the design, processing, testing and packaging of GaAs, InP, and GaN-based semiconductor devices, including lasers, detectors, transistors, modulators, diodes and LEDs. He is the inventor of the following high-performance optical devices:

  • U.S. Patent No. 6,959,027, “High-Power Coherent Arrays of Vertical Cavity Surface Emitting Lasers.”
  • U.S. Patent No. 7,078,741, “Enhanced Photodetectors.”
  • U.S. Patent No. 7,348,607, “Planar Avalanche Photodiode.”
  • U.S. Patent No. 7,348,608, “Planar Avalanche Photodiode.”
  • U.S. Patent No. 7,468,503, “Pin Photodetector With Mini-Mesa Contact Layer.”

Representative Experience

Represented Joyetech USA in a patent case concerning electronic cigarettes, successfully defending client against plaintiff’s motion for a preliminary injunction.


Provided defense counsel to HTC in a five-patent ITC case concerning haptics functionality in smartphones. Complainant dropped the case right before the hearing.


Defended HTC in a three-patent ITC case concerning camera functionality in smartphones. After prevailing at trial and obtaining a favorable initial determination, the case was affirmed by the Federal Circuit.

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  • ITC Section 337 Action
    • Represented AmTRAN in a three-patent case concerning point-to-point network communication devices; case settled favorably (ITC proceeding 337-TA-892).
    • Represented HTC in a four-patent case concerning various camera functionality and image processing systems in smart phones; win at trial and final ID (ITC proceeding 337-TA-850).
    • Represented ASUS in a five-patent case concerning teleconferencing technologies. Case settled favorably (ITC proceeding 337-TA-839).
    • Represented HTC in four-patent case concerning CPU architecture, graphics processing, and flat panel technologies; case settled favorably (ITC proceeding 337-TA-836).
    • Represented HTC in a five-patent case concerning haptics functionality in smartphones; complainant dropped the case right before the hearing (ITC proceeding 337-TA-834).
    • Counsel for HTC in a three-patent case concerning camera functionality in smart phones; win at trial and initial ID; final ID affirmed by CAFC (ITC proceeding 337-TA-726).
    • Represented Syntune AB and Cyoptics Inc. in patent litigation concerning tunable semiconductor lasers and laser assemblies; case settled favorably (ITC proceeding 337-TA-662).
    • Represented ASUS in patent litigation. Win at trial and initial ID. Commission decided not to review initial ID which became the final ID. Case subsequently settled favorably (ITC proceeding 337-TA-628).
  • District Court Action
    • Represented Joyetech USA in a patent case concerning electronic cigarettes. Successfully defended client against plaintiff’s motion for a preliminary injunction.
    • Represented HTC in a two patent case concerning camera functionality in smartphones. Settled favorably.
    • Represented HTC in a four-patent case concerning haptics functionality in smartphones. Settled favorably.
    • Represented HTC in patent litigation before Judge Sleet concerning 10 patents related to camera functionality in smartphones. Settled favorably.
    • Represented ASUS in a nine-patent case concerning DDR DRAM memory, SSD NAND flash memory, LCD, Bluetooth, USB 3.0, BIOS, CMOS image sensor components in ASUS PC-related products. Settled favorably.
    • Represented ASUS in a six-patent case concerning flash memory, DDR DRAM memory, and image sensor components in ASUS PC-related products. Settled favorably.
    • Represented HTC in a two-patent case concerning audio playlist functionality. Settled favorably.
    • Represented Microsoft in patent litigation related to mobile mapping functionality. Settled favorably.
    • Represented declaratory judgment plaintiff Largan in patent litigation concerning optical lens structures. Settled favorably.
    • Represented HTC in patent litigation concerning optical lens structures found in cellular phones. Settled favorably.
    • ATEN in patent litigation concerning KVM switches. Settled favorably.
    • Represented HTC in patent litigation related to caller-id functionality on mobile phones. Settled favorably.
    • Represented ASUS in patent litigation concerning products implementing power supplies, variable speed fans, and Network Address Port Translation. Successfully obtained stay after a year into litigation. Case subsequently settled favorably.
    • Represented ASUS in patent litigation concerning storage area network, servers, wired and wireless routers, gigabit switches, and personal navigation devices. Obtained favorable Markman order and case subsequently settled favorably.
    • Represented HTC in patent litigation concerning cellular phones. Settled favorably.
    • Represented MPS in patent litigation concerning DC-DC converters having bootstrap power supplies. Settled favorably.

Professional Highlights

Presented “ITC Litigation and Enforcement in the USA” at the China Intellectual Property & Innovation Summit 2016 in Shenzhen, China.


Served as a director of research at a startup company and led a team of engineers in the development of high-performance optical devices for telecommunications.

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  • Associations
    • San Diego Intellectual Property Law Association
    • San Diego County Bar Association
  • Speaking Engagements
    • “Induced Infringement and Case Analysis,” June 2016.
    • “IP Issues and Challenges for Taiwanese Startup Companies,” September 2015.
    • “Responding to a 3rd-Party Subpoena,” July 2014.
    • “Mock Deposition: How Cases are Won and Lost Through Depositions,” December 2013.
    • “Fighting Patent Battles in United States: Strategies and Tactics for Taiwanese Companies,” October 2012.
    • “Strategies and Tactics in Managing U.S. Patent Disputes and Effective Licensing Negotiations,” July 2012.
    • “Strategies and Tactics in Managing U.S. Patent Disputes and Building Patent Portfolio,” March 2012.

Education

  • J.D., University of Michigan Law School
    magna cum laude, Order of the Coif, Associate Editor, Michigan Telecommunications & Technology Law Review; Campbell Moot Court Executive Board

    Ph.D., Electrical and Computer Engineering, University of California, Santa Barbara, 1998

    M.S., Electrical and Computer Engineering, University of California, Santa Barbara, 1995

    B.S., Trinity University, 1993
    summa cum laude; Phi Beta Kappa

Admissions

  • California

    Registered to practice before the United States Patent and Trademark Office

Courts

  • U.S. District Court for the Northern, Central and Southern Districts of California

    U.S. District Court for the Western District of Wisconsin

Languages

  • Chinese (Mandarin)

    Taiwanese