Grant T. Langton, Partner at our Los Angeles, and Orange County law offices
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Grant T. Langton

Partner
Biography

Grant Langton is a partner in the firm’s intellectual property group and serves as Chair of the intellectual property group in Los Angeles and Co-Chair of the intellectual property group in California. With over 25 years of experience handling patent prosecution, trademark prosecution, enforcement, licensing, and IP counseling Grant helps clients strategically develop, protect, maintain, and exploit their intellectual property assets both domestically and abroad.

Grant regularly counsels clients on matters related to patentability, design-around options and the infringement, validity, and enforceability of patents. He has extensive experience prosecuting patent and trademark applications in the U.S. and worldwide, and has prepared licensing, consulting, employment, confidentiality, technology, and product development agreements. In addition, Grant has assisted in-house counsel, chief executive, financial and technology officers, and other corporate leaders to build, preserve and monetize their intellectual property portfolios. Working closely with management, scientists, and engineers Grant has acted as de-facto Chief Patent Counsel for several Fortune 500 companies. By protecting core company technology Grant helps his clients gain a competitive advantage in the marketplace.

Throughout his career, Grant has prepared and prosecuted U.S. and foreign patent applications and handled large patent portfolios in a diverse range of technology areas including medical devices such as pacemakers and spinal implants, material science such as ultra-hard material microstructures for subterranean drilling, all aspects of automobile technology, semiconductor and LED technology, fluid handling technology, polymer science such as industrial coating compositions, adhesives technology, RFID technology, and all types of mechanical technologies.

Prior to practicing law, he worked as a process and design engineer in the petrochemical industry.

Credentials

Bar Admissions

  • California
  • United States Patent and Trademark Office


Court Admissions

  • Supreme Court of California
  • United States District Court, Central District of California


Education

  • Loyola Law School, Loyola Marymount University (J.D.)
  • California Polytechnic University – Pomona (B.S., Chemical Engineering, magna cum laude)
    • Minor in Material Science

Languages

Spanish

Experience

Awards & Recognition

  • IP Star, Managing Intellectual Property Magazine (2013-2018, 2022, 2023)
  • Top Patent Prosecutor, The Patent Research Review Patent Buddy (2011)
  • AV Preeminent® Peer Review Rating from Martindale-Hubbell®

Previous Professional Experience

  • Connolly Bove Lodge & Hutz LLP, Partner (2007-2014)
  • Jeffer Mangels Butler & Marmaro LLP, Partner (2003-2007)
  • Christie, Parker & Hale, LLP, Partner (2000-2002), Associate (1992-2000)
  • Chevron USA El Segundo Refinery, Process and Design Engineer (1987-1989)

Professional Memberships and Activities

  • Los Angeles Intellectual Property Law Association
  • American Institute of Chemical Engineering

Representative Presentations and Publications