Chris Price

Partner, UK and European Patent Attorney

Chris has more than 15 years’ experience dealing with patents in electronics and mechanical fields, including telecommunications, computer software, e-commerce, power distribution, imaging devices and medical devices and consumables.

His clients range from SMEs to major corporations. As well as his work in patent prosecution, Chris has advised on various litigation matters in the UK and the US. He is also highly experienced at representing clients at Oral Proceedings at the European Patent Office.

Chris speaks Japanese fluently and has significant experience in prosecuting Japanese patent applications and in performing Japanese-language prior art searches, as well as conducting work on behalf of Japanese clients.

Chris holds a first class degree in Physics from Oxford University, from which he was awarded a scholarship. For his third year project, he performed quantum mechanical analyses of collisions of high-energy sub-atomic particles.


  • Analysis of standard essentiality and validity of patents relating to various telecoms and WLAN standards.
  • Significant experience representing clients at Oral Proceedings and in Appeal Proceedings before the EPO
  • Litigation support for Unwired Planet in Unwired Planet vs. Apple (Northern District of California) and Unwired Planet vs. Google (District of Nevada).
  • Advising SMEs in relation to patent portfolio development strategies.
  • Providing advice in relation to patent infringement and validity issues.
  • Acting for Good Technology, Inc. as part of multinational patent litigation in the field of mobile device management.

Recent work

  • Successful in appeal against a decision by the EPO to refuse a patent application on the basis that it lacked an inventive step due to a lack of technical effect over the prior art.
  • Successful in appeal proceedings at the EPO concerning a refusal to grant a patent for a method of forming contacts on a semi-conductor substrate, arguing against a negative opinion on inventive step.
  • Continuing to develop patent portfolio for Rakuten, Inc in relation to various e-commerce-related technologies.

Published articles

  • September 2016
    IAM Magazine Japanese edition, Poisonous Divisional Applications in Europe (link)


  • Software
  • Electronics
  • Physics

Education and qualifications

  • UK Chartered Patent Attorney
  • European Patent Attorney
  • 1994 — 1997
    BA (Oxon) Physics, First Class, Christ Church, Oxford University
  • 2000
    Japanese Proficiency Test Level 1

Career history

  • 2012 — present
    Partner, EIP
  • 2006 — 2012
    Senior Associate, EIP
  • 2002 — 2005
    Technical Translator and Interpreter (Japanese and English), Nissin Showa UK Ltd
  • 1999 — 2001
    English Teacher, Rugby Ball English Conversation
  • 1997 — 1999
    Assistant Language Teacher, Japanese Exchange and Teaching Program, Nakanokuchi-mura, Niigata, Japan

Awards and recognition

  • Legal 500, 2022 (link)
  • Legal 500, 2021
  • Legal 500, 2020. Chris ‘is a highly experienced patent attorney who is easy to work with, clear in his communications and pragmatic in how to manage the patenting process on a worldwide basis.’
  • Legal 500, 2016

Languages spoken

  • Japanese (Fluent)
  • Welsh (Basic)

Speaking engagements

  • July 2017
    WeWork, Seoul, Korea, Patenting in the US and Europe for Technology Companies
  • July 2017
    KTK (Osaka), Unwired Planet v Huawei FRAND trial
  • September 2016
    Gyeonggi IP Center, Korea, Patents, Trademarks and Registered Designs in Europe - and changes expected after the UK leaves the EU
  • October 2015
    KTK (Osaka), Amendments under the EPC and drafting strategies in view of same
  • November 2015
    KTK (Tokyo), Amendments under the EPC and drafting strategies in view of same
  • 11 July 2014
    Japanese Patent Attorney Association Seminar, PCT specification drafting
  • October 2013
    ESTnet, Patents, Patenting and Patent Box Seminar (link)
  • July 2013
    KTK (Osaka) Seminar, Smoothing prosecution before the EPO
  • March 2013
    EIP Seminar, How to get the most value from your IP
  • October 2012
    Cardiff Medicentre Breakfast Briefing, Managing Intellectual Property from Start-up to Exit

Additional information

  • Regularly presents seminars on a range of patent related matters, including in the Japanese language.
  • Contributor to the Japanese language book “Key Points in Drafting PCT Applications for Japan, the USA, Europe and China”.