Jerome Spaargaren

Partner, UK and European Patent Attorney

Jerome Spaargaren

The founder of EIP, with over 30 years of international patent prosecution and litigation experience, Jerome is frequently engaged by clients for his expertise in strategic patent prosecution. He has also been involved in numerous litigations in various territories, including the UK, Germany and the US. Jerome is well placed to advise clients on the new Unified Patent Court (UPC) - see further details at EIP Amar, our alliance created to support clients in any litigation before the UPC.

As head of the EIP Digital practice group, Jerome works in a wide range of technologies in the electronics sector, including machine learning, computer vision, data processors, graphics, data compression, telecommunications, data storage, cloud computing, computer software, optics, autonomous vehicles and imaging systems. He also works in the mechanical arts including medical devices and packaging machinery.

Jerome has been a member of the Chartered Institute of Patent Attorneys (CIPA) Patent Law Committee and represented CIPA before the Standing Committee on the Law of Patents at the World Intellectual Property Organization in Geneva to negotiate the Patent Law Treaty (2000).

In addition to his work as a patent attorney, Jerome is an inventor of an automated bookmark, the iMark, and various location-based technologies.


  • Unwired Planet. Technical litigation counsel in standard essential patent (SEP) litigation in the UK and Germany against Huawei (patents concerning 3G and LTE technologies), leading up to the landmark UK Supreme Court judgement on FRAND issues. In Unwired Planet vs. Google (District of Nevada), acted for patent owner as global prosecution counsel in relation to post-grant proceedings at the USPTO.
  • Conversant. Technical litigation counsel in relation to validity and infringement of certain standard essential patents (SEPs) as part of representing Conversant in its successful High Court proceedings against Huawei and ZTE.
  • Arm. Leading a prosecution team acting for the leading technology provider of processor IP in the field of AI and machine learning processor architectures.
  • Align Technology v Clearcorrect. Acted for defendant in infringement proceedings in the High Court in the UK and in EPO oppositions, relating to clear orthodontic aligners.
  • Visto v Research in Motion. Acted for patent owner in international litigation relating to email synchronization technology, resulting in a $267.5 million settlement in favour of patent owner Lead prosecution counsel in heavily contested proceedings resulting in the grant of three key European patents relating to email synchronization technology.
  • Orange Personal Communications Services. Global lead prosecution counsel 2005-2007. Appeal from Opposition by Swisscom (European Patent Office.) Lead prosecution counsel for patent owner, standard essential patent relating to SIM card technology, resulting in patent being upheld
  • British Telecommunications. Prosecution counsel, drafting two patents relating to keyword search technology which have subsequently been litigated (BT v Google)
  • Hamamatsu Photonics. Appeal from Examination (European Patent Office.) Lead prosecution counsel for patent owner. Now established case law in relation to maintaining auxiliary requests during first instance proceedings.
  • Nikon. European prosecution counsel for patents relating to various technologies such as camera exposure control and lithography
  • Koninklijke Philips. Prosecution counsel for patents relating to optical discs and medical technologies

Recent work

  • Optis v Apple. Technical litigation counsel in relation to validity and infringement of certain standard essential patents (SEPs) in the UK trials in the High Court and the Court of Appeal (patents concerning 3G and LTE technologies). (link)

Published articles

  • 1998; Volume 20; No 8
    European Intellectual Property Review (EIPR), A Conventional Way to Reduce Costs in the European Patent System

Education and qualifications

  • European Patent Attorney
  • UK Chartered Patent Attorney
Jerome was one of the youngest people ever to pass the qualifying examinations for UK patent attorneys.
  • 1993 — 1994
    Post-Graduate Certificate in Intellectual Property Law, Queen Mary, University of London
  • 1988 — 1991
    MA Physics (First Class), Oxford University
  • 1983 — 1988
    Ysgol Aberconwy, Conwy, North Wales
  • 1981 — 1983
    Hale School, Perth, Western Australia

Career history

  • 2000 — present
    Founder, EIP: Specialists in high-value and complex patent matters
  • 1995 — 2000
    Partner, RGC Jenkins & Co, London
  • 1992 — 1995
    Associate, Bailey Walsh & Co, Leeds

Awards and recognition

  • Recommended in JUVE Patent UK rankings 2023. (link)
  • Recognised as IAM Global Leaders 2023 (link)
  • Ranked Lawyers Intellectual Property: Patent Attorneys Band 1, Chambers and Partners, 2023 "Jerome Spaargaren is so sharp. He provides solid advice quickly when time really matters. It is a relief to have someone like Jerome to call upon."
  • Ranked as 'Highly recommended' in Patent prosecution in UK, Leaders League 2022
  • Recommended in Who's Who Legal, IP - Patent Agents & Attorneys 2022 (link)
  • Recommended in IAM Patent 1000, 2022. (link)
  • Ranked as a "Patent Star", IP Stars 2022 (link)
  • Recommended in JUVE Patent UK rankings 2022. (link)
  • Ranked Lawyers Intellectual Property: Patent Attorneys Band 1, Chambers and Partners, 2022
  • Legal 500, 2022. (link)
  • Recommended in Who's Who Legal: IP 2021. (link)
  • Ranked as 'Highly recommended' in Patent prosecution in UK, Leaders League 2021 (link)
  • Recommended in IAM Patent 1000, 2021. (link)
  • Ranked as a "Patent Star", IP Stars 2021 (link)
  • Recommended in JUVE Patent UK rankings 2021. (link)
  • IAM Global Leaders, 2021 (link)
  • Leading Individuals Band 1, Chambers and Partners, 2021, "Jerome is a quick and deep thinker, and his ideas are full of originality."
  • Legal 500, 2020. Jerome ‘is readily available and always provides useful insight into complex matters.’
  • IAM Patent 1000, 2020. Jerome "brings personal skill and insight as an inventor to the table for clients." (link)
  • Recommended in Who's Who Legal Patents, 2020. (link)
  • Ranked as a "Patent Star", IP Stars 2020 (link)
  • Recommended in Juve Patent, 2019 for digital communications, electronics (link)
  • Chambers and Partners, 2020: Jerome “is feted for his expertise in semiconductor science, optics and medical devices”.
  • Legal 500, 2020
  • Ranked as a "Patent Star", IP Stars 2019 (link)
  • IAM Patent 1000, 2019. "Jerome Spaargaren heads up the digital group and is renowned for his outstanding telecoms and medical technology insight." (link)
  • Recommended Patent Attorney, Legal 500, 2018
  • Ranked as "Patent Star", IP Stars 2018
  • IAM Patent 1000, 2018. "Electronics whizz Spaargaren loves working with computer systems, high-tech optics and exciting new software."
  • Chambers & Partners, 2017: Jerome is "noted for his command of hi-tech electronics, medical device and optic technologies" and has an "innovative approach to patent prosecution."
  • Legal 500, 2017: Jerome "attracts praise for his ‘extensive technical capability, which enables him to understand core aspects of technical matters at hand’."
  • Ranked as a "Patent Star" and "highly recommended", IP Stars 2017
  • IAM Patent 1000, 2017. "Multinational semiconductor and software design company ARM is in safe hands under the guidance of digital practice group head Jerome Spaargaren."
  • IAM Patent 1000, 2016. Jerome "is an authority on computer systems, high-tech optics and various medical technologies".
  • Legal 500, 2015. "Jerome Spaargaren is highly recommended"
  • Leading Individuals Band 1, Chambers & Partners, 2015. "Jerome Spaargaren leads the firm's digital practice group and concentrates on work concerning mobile telephony, optics, computer systems and medical technology."
  • IAM Patent 1000, 2015. "Spaargaren shines in the strategic patenting of electronic innovations."
  • Legal 500, 2014.
  • IAM Patent 1000, 2014. "Melding style and substance, Jerome Spaargaren works his strategic magic across the contentious/non-contentious divide."
  • Legal 500, 2013.
  • Chambers & Partners, 2013. "Jerome Spaargaren is renowned for his dynamism and talent, especially with regard to communications, medical technology and software."
  • IAM Patent 1000, 2013. "the "superb" Jerome Spaargaren is a "maverick performer with a strong character" who shines in international prosecution."
  • IAM Patent 1000, 2013. "Jerome Spaargaren wins great acclaim for fostering an innovative and entrepreneurial culture."

Languages spoken

  • English
  • Dutch (Proficient)



  • AI
  • Audio codecs
  • Automotive electronics
  • Computer hardware
  • Image and signal processing
  • Medical imaging
  • Robotics
  • Telecommunications
  • Video codecs


  • Robotics


  • Medical imaging