People

Overview

Sarah Guske is a partner in the Intellectual Property Group. Sarah is a trial lawyer and has significant experience litigating software and electronics patent litigation cases in district court and at the Federal Circuit and the PTAB, including significant stand-up experience in each forum. Sarah previously served at Co-Chair of the firm's PTAB Trials Group.

Sarah has litigated cases in district courts across the country. Sarah's practice focuses on high-stakes, competitor litigation. Sarah is a frequent speaker on trial strategy issues, including defending against willfulness allegations and using IPRs strategically in district court cases.

Sarah has served as an Adjunct Professor teaching patent law and litigation at the University of California Hastings, University of Colorado, and University of Denver.

Admission & Affiliations

  • State Bar of California
  • State Bar of Colorado
  • United States Court of Appeals for the Federal Circuit
  • United States District Court for the Northern, Southern and Central Districts of California
  • United States District Court for the District of Colorado
  • United States District Court for the Eastern District of Texas
  • J.D., University of California Davis School of Law 2004
  • B.S., Electrical Engineering, Washington State University 2001
    summa cum laude
  • B.A., Physics, Whitworth University 2001
    summa cum laude

Experience

Representative Litigation Cases

  • Linquet v. Tile (Northern District of California; PTAB; Federal Circuit) – litigation and appellate counsel for Tile in patent litigation involving tracker technology.
  • Fractus SA v. T-Mobile US, Inc. (Eastern District of Texas) – trial and litigation counsel for T-Mobile in a patent litigation related to base station antenna technology.
  • Twilio Inc. v. TeleSign Corp. (Northern District of California; Central District of California; PTAB) – litigation counsel for Twilio in patent litigation related to telecommunications technology.
  • Capella Photonics, Inc. v. Cisco Systems, Inc. (Northern District of California; PTAB; Federal Circuit) – litigation and appellate counsel for Cisco in patent litigation related to MEMs technology.
  • Patent Asset Licensing, LLC v. Bright House Networks, LLC (Middle District of Florida; PTAB) – litigation counsel for Bright House Networks in patent litigation related to telecommunications network technology.
  • Bright House Networks, LLC v. Focal IP (PTAB) – PTAB litigation counsel for Bright House Networks in PTAB litigation related to telecommunications network technology.
  • Cisco Systems, Inc. v. Focal IP (PTAB) – PTAB litigation counsel for Cisco in PTAB litigation related to telecommunications network technology.
  • Iridescent Networks, Inc. v. AT&T Inc. (Eastern District of Texas) – litigation counsel for AT&T in patent litigation related to telecommunications network technology.
  • Open Text S.A. v. Box, Inc. (Northern District of California) – litigation and trial counsel for Open Text in patent litigation related to document management and collaboration technology.
  • ZeniMax Media Inc. v. Samsung Electronics Co., Ltd. (Northern District of Texas) – litigation counsel for Samsung in copyright infringement, trade secret, and unfair competition case involving VR technology.
  • Labyrinth Optical Technologies LLC v. Oclaro, Inc. (Northern District of California) – litigation counsel for Oclaro in patent litigation related to optics technology.
  • Finisar Corp. v. Oplink Communications Inc. (Northern District of California; Eastern District of Texas) – litigation counsel for Oplink in patent litigation related to optical transceiver technology.
  • Mondis Technology Ltd. v. Innolux Corp. (Eastern District of Texas) – trial counsel for Innolux in patent litigation related to computer monitor technology.
  • ACQIS LLC v. IBM Corp. (Eastern District of Texas) – trial counsel for ACQIS in patent litigation related to server technologies.
  • Interactive Systems Worldwide, Inc. v. Mikohn Gaming Corp. et al. (District of Nevada) – litigation counsel for Mikohn Gaming Corp. and STB Holdings, Inc. in patent litigation related to real-time sports betting technologies.
  • Zenith Electronics v. Thomson, Philips Electronics, TTE Technology, Pioneer Electronics (Eastern District of Texas) – litigation counsel for Zenith in patent litigation over patents essential for compliance with ATSC Digital Television Standard.
  • Bookham, Inc. v. Unaxis Balzers AG et al. (Northern District of California) – litigation counsel for Bookham in patent litigation related to color wheel technology.
  • HyperRoll Israel, Ltd. v. Hyperion Solutions (Eastern District of Texas) – litigation counsel for HyperRoll Israel, Ltd. in a patent litigation against Hyperion Solutions, The technology in this case involves database-management software.
  • HyperRoll, Inc. v. Hyperion Solutions (Northern District of California) – litigation counsel for HyperRoll, Inc. in a declaratory judgment action brought by Hyperion Solutions. The technology in this case involves database-management software.
  • Qualcomm Incorporated v. Nokia Corporation (Eastern District of Texas) – litigation counsel for Qualcomm in a patent infringement action involving cellular telephony systems and mobile TV applications.
  • Widevine Technologies, Inc. v. Verimatrix, Inc. (Eastern District of Texas) – litigation counsel for Verimatrix in a patent infringement action involving encryption technology.
  • Widevine Technologies, Inc. v. Verimatrix, Inc. (Western District of Washington) – litigation counsel for Verimatrix in a patent infringement action involving encryption and data stream flow control technology.
  • OPTi Inc. v. nVidia Corp. (Eastern District of Texas) – litigation counsel for nVidia in a patent infringement action involving chipset design and operation.
  • OMS Investments, Inc., et al. v. TerraCycle, Inc. (District of New Jersey) – litigation counsel for TerraCycle in trade dress infringement and unfair competition action.


Awards and Community

Recognized as a Daily Journal Top California IP Lawyer, 2019, 2022, 2024

Recognized as an NLJ Intellectual Property Trailblazer, 2018

Recognized as a BTI Client Service All-Star, 2020