Stephanie M.Mishaga (Steph)

Associate

San Diego + 1.858.703.3140

Stephanie Mishaga is an IP lawyer who handles patent litigation and prosecution. She practices before U.S. district courts and the United States Patent and Trademark Office (USPTO) Patent Trial and Appeal Board (PTAB). Her technical experience encompasses software and hardware including artificial intelligence (AI), wireless communication systems including radio frequency identification (RFID) and distributed antenna systems (DAS), semiconductor devices, medical devices and patient monitoring systems, fitness equipment, on-board diagnostic (OBD) devices, renewable energy technologies including solar panels and electrical vehicles, electronic nicotine delivery systems, and utility power systems.

Steph has experience in various stages of patent litigation including fact and expert discovery, motion practice, oral argument for dispositive motions, depositions, Markman proceedings, and trial. She works closely with technical experts to develop patent invalidity and noninfringement strategy. Steph also has trial experience handling briefing and oral argument for inter partes review proceedings before the PTAB. In addition to patent litigation, Steph has trade secret litigation experience where she played a critical role in discovering evidence demonstrating source code misuse.

Relying on her industry experience, Steph also drafts and prosecutes patent applications. She performs freedom to operate, due diligence, and invalidity analyses. She has five plus years industry experience where she developed software solutions for U.S. Navy and commercial companies.

As a U.S. Department of Veterans Affairs accredited attorney, she assists veterans in appealing disability ratings to the Board of Veterans' Appeals. Steph is also a member of the Firm's Women in IP initiative.

Experience

  • NXP defends multi-jurisdiction patent infringement suits involving RFID technologyJones Day represented NXP USA Inc. against a competitor in a global patent infringement dispute involving more than 50 patents.
  • NXP litigates against competitor in 18-patent suit directed to RFID technologyJones Day represented NXP USA Inc. and NXP Semiconductors Netherlands B.V. in a patent infringement lawsuit against its competitor Impinj, Inc. in the Western District of Texas.
  • NXP Netherlands defends patent infringement claims in Western District of TexasJones Day defended NXP Semiconductors Netherlands B.V. in a patent infringement lawsuit brought by its competitor Impinj, Inc. in the Western District of Texas.
  • NXP sues Impinj for infringing patents relating to RFID technologyJones Day represented NXP USA, Inc. and NXP B.V. in their enforcement of six radio frequency identification (RFID) and wafer-layout patents against Impinj, Inc.
  • Motorola Solutions defends allegations of patent infringement and asserts trade secret counterclaimsJones Day is defending Motorola Solutions, Inc. against claims of infringement of four patents directed to mobile communications technologies and asserting counterclaims for misappropriation of Motorola trade secrets.
  • Cylance builds leading patent portfolio directed to cybersecurity technologies using AIJones Day is representing Cylance Inc. in the development and prosecution of a portfolio of over 150 issued patents directed to AI-enabled cybersecurity technologies.
  • NXP challenges competitor's 14 RFID patents at PTABJones Day represented petitioner NXP USA, Inc. in several inter partes review (IPR) and post grant review (PGR) proceedings at the United States Patent Office's Patent Trial and Appeal Board (PTAB).
  • SOLiD defeats patent infringement claims in U.S., UK, and Germany over DAS equipment for 5G technologyJones Day successfully represented SOLiD, Inc. in multi-jurisdictional patent litigation proceedings brought by a competitor who alleged that client's leading Distributed Antenna System ("DAS") solutions infringe claims of six patents (two European and four U.S.).
  • Sempra Energy sells PXiSE Energy SolutionsJones Day advised Sempra Energy in the sale of membership interests in PXiSE Energy Solutions to Yokogawa Electric Corporation.
  • NEP acquires Prysm Collective, Lux Machina And Halon EntertainmentJones Day advised NEP Group in the acquisition of Prysm Collective, Lux Machina and Halon Entertainment.
  • Qualcomm defeats series of appellate writs by Apple in trade secret litigationJones Day represented Qualcomm Incorporated and Qualcomm Technologies, Inc. at the California Court of Appeal's Fourth District in opposing a series of three petitions for writ of mandate or prohibition brought by Apple Inc.
  • Qualcomm pursues trade secret and contract claims asserting Apple's misuse of Qualcomm's trade secret software and source codeJones Day represented Qualcomm Incorporated and Qualcomm Technologies, Inc. in a lawsuit asserting trade secret misappropriation and breach of contract claims against Apple Inc.
  • Sempra Energy develops patent portfolio directed to advanced electric grid technologiesJones Day is advising Sempra Energy and its subsidiary PXiSE Energy Solutions with the development of a patent portfolio directed to software and hardware solutions directed to improving the efficiency and efficacy of the electrical grid.
  • Cylance develops patent portfolio directed to advanced cybersecurity software utilizing machine learning / artificial intelligenceJones Day is advising Cylance Inc. with the development of a patent portfolio directed to advanced cybersecurity software utilizing machine learning / artificial intelligence.
  • SAP establishes diverse patent portfolio directed to software and database innovationsJones Day represents a leading enterprise software and database developer SAP SE in managing patent portfolios directed to diverse innovations including database technologies, mobility, UX, cloud computing, and big data.
  • Aerospace Corporation establishes cutting edge patent portfolio directed to diverse terrestrial and space innovationsJones Day represents The Aerospace Corporation in strategically developing its patent portfolio directed to diverse innovations including space and terrestrial communication systems and protocols, advanced sensors, optics, and related manufacturing processes.
  • Draeger establishes global patent portfolio directed to diverse medical devices and safety equipmentJones Day represents medical device manufacturer Draeger Medical Systems, Inc. in managing global patent portfolios relating to patient monitors (both hardware and related software), physiological sensors, incubators, and breathing apparatus.
  • ANSYS expands global intellectual property portfolioJones Day provides IP advice to ANSYS, Inc. and assists with the prosecution and management of its international patent portfolio related to engineering simulation for assisting the world's most innovative companies in delivering radically better products to their customers.
  • Additional Speaking Engagements

    • April 2024
      Women in IP Panelist — University of San Diego School of Law Intellectual Property Law Association Panel
    • March 2023
      PTAB Strategy Updates in View of Recent Developments
    • August 2019
      Strategies for Protecting AI Innovations
    • July 2019
      Biopharma Meets AI — Potential IP Protection Strategies
    • June 2019
      IP Protection Trends in Artificial Intelligence
    • July 2018
      Artificial Intelligence Deployed in Medical Devices: Patent Strategies and Challenges