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Zado, Ray
Direct Tel: +1 650-801-5011
Silicon Valley
Tel: +1 650 801 5000 Fax: +1 650 801 5100

Ray Zado is a partner in Quinn Emanuel's Silicon Valley office.  His civil trial practices focuses on intellectual property matters, with a particular emphasis on patent litigation and licensing.  His practice encompasses all aspects of case preparation and management, including pre-suit investigations, fact and expert discovery, trial preparation, and trial.

Mr. Zado has represented clients involved in a variety of complex technologies, including semiconductors and semiconductor manufacturing processes, DRAM and Flash memory, digital televisions, image and signal processing, Ethernet technology, user interfaces, business process software, cloud computing, and social networking and gaming software.  Mr. Zado has litigated in jurisdictions throughout the country, including the Northern and Central Districts of California, the Northern and Eastern Districts of Texas, the District of Delaware, the Northern District of Illinois, the District of Nevada, and the International Trade Commission.

  • Sony
  • Samsung
  • Marvell
  • Hynix
  • Rovi
  • Twitter
  • Zendesk
  • NetSuite
  • Yahoo


  • Represented Marvell Semiconductor in a patent litigation against U.S. Ethernet Innovations, LLC, involving four patents related to Ethernet chipset technology.  Several of the patents in suit had previously been successfully litigated to judgment against other parties, including a $75 million damage award in N.D. Cal.  However, after successfully transferring from the Eastern District of Texas to the Northern District of California. Marvell won summary judgment of invalidity and/or non-infringement as to all of the asserted patents. 
  • Represented Hynix Semiconductor, the world’s second-largest memory chipmaker, and now a member of SK Telecom Group, in a patent case filed by Intellectual Ventures in federal court in Delaware.  The action was one of Intellectual Ventures’ first three patent infringement lawsuits filed against various technology companies.  Following the completion of expert discovery, Hynix reached a favorable global settlement with Intellectual Ventures.
  • Represented Twitter and Glam Media in a patent litigation brought in the Northern District of California involving software for distributed processing of large data sets.  The Court granted Twitter’s and Glam Media’s motion for judgment on the pleadings, finding the patents-in-suit invalid for failure to claim patent-eligible subject matter under 35 U.S.C. § 101. 
  • Represented Sony Corporation and Sony Electronics in a world-wide patent infringement dispute (involving on the order of 20 actions in multiple jurisdictions, including the ITC and district courts across the United States) with LG Electronics, Inc. and its subsidiary, Zenith Electronics, in patent litigations involving digital display technology.  The cases settled favorably for Sony.
  • Representing Samsung in its current dispute withHuawei related to standard essential 4G/LTE patents.
  • Representing Zendesk and NetSuite in patent infringement actions in the Eastern District of Texas involving application distribution and cloud computing related technologies.
  • Represented Hynix Semiconductor in a multi-patent infringement case brought by plaintiff and counterclaim-defendant ON Semiconductor in the Eastern District of Texas involving patents related to DRAM and Flash memory devices and semiconductor manufacturing processes including plasma etch and metal deposition. 
  • Defended Sony Computer Entertainment in a patent litigation in the Eastern District of Texas involving Playstation game consoles.  After expert discovery, the case settled for a nominal amount.
  • Represented Salesforce in a patent litigation brought in the Northern District of California involving social media aspects of the platform.  The case against Salesforce was dismissed without prejudice.
  • Represented Salesforce in a patent litigation brought in the District of Delaware involving database related technology.  After a successful Markman hearing, the case settled on favorable terms.
  • Represented Salesforce in connection with in patent portfolio licensing negotiations involving hundreds of patents related to software based technologies.
  • Represented Hynix Semiconductor in patent portfolio licensing negotiations involving thousands of patents related to memory technologies.
  • Representing Rovi Corporation in connection with licensing negotiations pertaining to its patent portfolio.
  • University of Southern California Law School
    (J.D., 1998)
    • Southern California Law Review:
      • Senior Editor
  • Cornell University
    (B.A., Physics and English, concentration (minor) in Electrical Engineering, 1995)
  • The State Bar of California
  • United States District Court:
    • Northern District of California
    • Southern District of California
  • SAP AG:
    • IP Transactions Counsel, 2006-2009
  • Fish & Neave, LLP / Fish & Neave IP Group of Ropes & Gray, LLP:
    • Associate, 1998-2006
    • Elected Palo Alto Office Representative to Associates’ Committee