James Seymour

Partner, European Patent Attorney
UPC Representative

James is Head of SEP, advising on Standard-Essential Patents across all technology areas, including telecommunications, wireless, video and audio coding, and power. His practice focuses on advising clients on patent infringement and validity matters and the valuation and enforceability of SEP portfolios. He has been involved in a number of high profile litigation cases in the UK, US, and Germany; and in patent pool, licensing, acquisition and divestment transactions.

James is highly skilled in navigating technical standards relating to GSM, UMTS, LTE, New Radio (5G), and IMS cellular technologies, and standards relating to H.264 (AVC) and H.265 (HEVC) video compression.

Before joining EIP, James spent 18 years working as in-house patent counsel for Nokia and Hewlett-Packard in the UK, USA and Singapore. James is a qualified UK and European Patent Attorney and holds a UK IP Litigation Certificate. He passed the US Patent Bar while working in the US, and qualified to practice before the Intellectual Property Office of Singapore while working in Singapore.


  • Supporting counsel teams in asserting and defending against SEP portfolios in Germany (Mannheim, Dusseldorf, Munich and Hamburg), France (Paris), UK, China, and the US.
  • Technical lead in face-to-face SEP license negotiations with Samsung, Apple, Google, LG, Xiaomi, HTC, Fujitsu, and Kyocera.
  • Preparing SEP portfolio valuation studies for use in FRAND licensing and litigation.
  • Participation in patent pool negotiation meetings in the video and audio codec field.
  • Representing and advising major patent pool clients in the wireless space.
  • Working closely with the ETSI legal team to assist clients with the preparation and submission of SEP declarations for cellular standards.
  • Securing full membership for EIP at ETSI and participating in the ETSI IPR Special Committee.
  • Conducting independent essentiality evaluation studies for clients in the 4G and 5G field.

Ausbildung und Qualifikationen

  • UK Chartered Patent Attorney, 2003
  • European Patent Attorney, 2000
  • 2006
    Business of IP, Scandinavian International Management Institute
  • 1995
    Certificate in Intellectual Property Law, Queen Mary, University of London
  • 1991 — 1994
    B.Sc First Class Honours, Physics, University of Bristol

Beruflicher Werdegang

  • 2012 — present
    Partner, EIP
  • 2002 — 2012
    Various including Head of Patenting Operations, Nokia
  • 1999 — 2002
    IPR Counsel, Agilent Technologies
  • 1998 — 1999
    IPR Counsel, Hewlett-Packard

Zusätzliche Informationen

Memberships: AIPPI


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