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Mack, Brian E.

Brian E. Mack

Direct Tel: +1 415-875-6423
San Francisco
Tel: +1 415 875 6600 Fax: +1 415 875 6700

Brian Mack is a partner in Quinn Emanuel’s San Francisco office.  He joined the firm in 2011.  His practice focuses on high-stakes complex commercial litigation and intellectual property disputes, including patent, copyright and trademark infringement, antitrust, unfair business practices, and intellectual property licensing.  He has undergraduate degrees in Physics, Mathematics, and Computer Science from Hamilton College and a graduate degree in Electrical Engineering from Columbia University.  Prior to joining the firm, he worked in the telecommunications industry as a satellite network software engineer.  He has applied his education and technical training to intellectual property matters involving such technologies as computer systems architecture, microelectromechanical systems (MEMS), programmable logic devices, channel coding, data encryption, microprocessor design, semiconductor fabrication and packaging, telecommunications, video encoding, memory systems, and business methods.   

Brian has tried cases in state and federal courts throughout the country, as well as before the International Trade Commission.  He has tackled many complex intellectual property issues, including FRAND licensing, standards setting organizations, patent exhaustion, unfair competition, patent interferences and patent reexamination proceedings.  He is admitted to practice before the U.S. Patent & Trademark Office and has prosecuted an international docket of patent applications relating to a wide array of technology areas including medical devices, semiconductor technologies, telecommunications, programmable logic devices and business methods.     

  • Samsung
  • Motorola
  • Yahoo!
  • Google
  • Varian Medical Systems
  • Metaswitch
  • NTT DoCoMo
  • ViaSat
  • Marvell Semiconductor
  • STMicroelectronics
  • MediaTek Inc.
  • Qualcomm Inc.
  • Broadcom Limited
  • Acer Corporation
  • Hynix Semiconductor
  • Memjet Technology Limited
  • Funai Corporation
  • Represented ViaSat against Space Systems/Loral in patent infringement and breach of contract case resulting in largest jury verdict in California for 2014.
  • Represented Samsung against smartphone rival Apple in the ITC and federal district court over patents relating to cellular and touchscreen technology.
  • Obtained a stay of all claims for Google after the filing of a petition for IPR with the U.S. Patent & Trademark Office on technology related to natural language processing.
  • Obtained a complete victory for Marvell Semiconductor after a jury trial relating to turbo coding.
  • Represented client Metaswitch at two jury trials and one bench trial in the Eastern District of Texas.
  • Successfully defended Motorola in an ITC investigation relating to mobile operating systems.
  • Successfully defended Google in the Eastern District of Texas against patent infringement claims relating to location-based services.
  • Represented MEMS maker STMicroelectronics against business rival InvenSense in ITC investigation.
  • Fordham University School of Law
    (J.D., cum laude, 2008)
    • Dean's List
    • Fordham Law Review:
      • Associate Editor
  • Columbia University, Fu Foundation School of Engineering and Applied Science
    (M.S., Electrical Engineering, 2003)
  • Hamilton College
    (B.A., cum laude, Physics; Computer Science, 2001)
  • The State Bar of California
  • The State Bar of New York
  • The State Bar of Massachusetts
  • Registered to Practice before the United States Patent & Trademark Office
  • Ropes & Gray LLP:
    • Associate, 2005-2010
  • KenCast, Inc:
    • Senior Network Software Engineer, 2003-2004
  • General Dynamics Advanced Information Systems:
    • Guidance Software Engineer, 2000-2001
  • Law360 “Rising Star”: Technology (2017)
  • Selected by the National LGBT Bar Association as one of the Best LGBT Lawyers Under 40 – Class of 2017.
  • “Future Proofing Legal Contracts,” (ACC Docket, April 30, 2024).
  • “Legal Tech: Liability and Responsibility in the Age of AI,” (ACC Docket, April 9, 2024)
  • “Navigating the Intricacies of Intellectual Property in Legal Tech: Lessons from Recent Cases,” (March 4, 2024)
  • Note, PTO Rulemaking in the Twenty-First Century: Defining the Line Between Strategic Planning and Abuse of Authority, 75 Fordham L. Rev. 2105 (2006).
  • Member, American Intellectual Property Law Association
  • Member, San Francisco Intellectual Property Law Association
  • Member, Bay Area Lawyers for Individual Freedom (BALIF)