Heather McCann

Partner, UK and European Patent Attorney

Heather is regularly cited in the Legal 500, Chambers & Partners and IAM Patent 1000 guides as a leading practitioner. When permitted to travel she divides her time between EIP's offices in London and the US, from where she regularly advises Silicon Valley tech start-ups, SMEs and US law firms on European patent filing and prosecution strategy.

Heather joined EIP in 2002 from the IP Division of a major telecoms company. She has significant experience in drafting and prosecuting patent applications for innovation relating to the Internet of Things, security, computer systems and architecture, desktop applications, signal processing, wireless modem technologies, a range of networking topologies and protocols, electronic messaging systems and electronic trading systems. She has represented clients at opposition and appeal proceedings at the EPO on numerous occasions, and provides support on patent litigation matters, worldwide. Heather has extensive experience of developing, communicating and implementing IP strategies.

Heather has a PhD in Combustion and Fluid Dynamics, and a Bachelors Degree in Engineering, both from Imperial College, London.


  • Providing pre-action and ongoing technical support in relation to validity and infringement of certain standard essential patents as part of representing Conversant Wireless in its successful Supreme Court proceedings against Huawei and ZTE.
  • Unwired Planet vs. Apple (Northern District of California). Acted for patent owner as global prosecution counsel in relation to post-grant proceedings
  • Unwired Planet vs. Google (District of Nevada). Acted for patent owner as global prosecution counsel in relation to post-grant proceedings
  • Unwired Planet vs. Apple, RIM (International Trade Commission, Washington DC). Acted for patent owner as patent counsel
  • Visto vs. 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
  • Good Technology Corporation. Global lead prosecution counsel 2009-2016

Recent work

  • Unwired Planet vs. Samsung, Huawei and LG Electronics (Düsseldorf District Court). Acted for patent owner in providing technical and non-technical support to EIP Legal team in Germany in standard essential patent case related to LTE and GSM standards. The non-technical support work related to patent assignments and complex corporate transactions.
  • Unwired Planet vs. Samsung and Huawei (UK High Court). Acted for patent owner in providing technical support in 4G standard essential patent case.
  • Successfully progressed patents through to grant in Europe, the US and China for a multinational financial services company in the notoriously-difficult payments field.
  • Unwired Planet vs. Apple (Northern District of California). Acted for patent owner as global prosecution counsel in relation to post-grant proceedings

Published articles

  • November 2021
    EIP Talks, What does the future hold for patents & trademarks? (link)

Education and qualifications

  • European Patent Attorney
  • UK Chartered Patent Attorney
  • 1997
    PhD in Combustion and Fluid Dynamics, Imperial College, London
  • 1993
    Bachelors Degree in Engineering, Imperial College, London

Career history

  • 2002 — present
    Partner, EIP
  • 1999 — 2002
    Patent Attorney, British Telecoms
  • 1998 — 1999
    Trainee Patent Attorney, BAE Systems

Awards and recognition

  • IP Stars, Top 250 Women in IP 2022. (link)
  • Legal 500, 2022. (link)
  • Listed in IAM Strategy 300: The World's Leading IP Strategists 2021 (link)
  • Ranked as 'Highly recommended' in Patent prosecution in UK, Leaders League 2021 (link)
  • Recommended IAM Patent 1000, 2021. (link)
  • Ranked as a "Patent Star", IP Stars 2021 (link)
  • IAM Patent 1000, 2020. "This “consistent and high-quality” practitioner has “excellent technical knowledge”." (link)
  • Ranked as a "Patent Star", IP Stars 2020 (link)
  • Legal 500, 2020
  • Ranked as a "Patent Star", IP Stars 2019 (link)
  • IAM Patent 1000, 2019. "Heather McCann is an oracle when it comes to European filing strategy; her wireless systems acumen has helped many technology-rich companies gain an IP foothold in Europe." (link)
  • Legal 500, 2018: Recommended Patent Attorney
  • Ranked as a "Patent Star", IP Stars 2018 (link)
  • Women in Law Awards, 2018 (UK - Patents) - Lawyer Monthly
  • IAM Patent 1000, 2018.
  • Chambers & Partners, 2017: Heather has "excellent technical knowledge" and an "ability to find arguments that differentiate a claimed invention from cited prior art." (link)
  • Legal 500, 2017: Heather "is noted for her ‘tremendous technical knowledge’."
  • Ranked as a "Patent Star" and "highly recommended", IP Stars 2017
  • IAM Patent 1000, 2017. "The masterful drafting of Heather McCann is a boon for IT innovators with complex applications."
  • Legal 500, 2016
  • IAM Patent 1000, 2016. “Heather’s biggest asset is her personal interest and pride in what she does – she is determined always to deliver quality work."
  • Ranked in IP Stars 2016
  • Legal 500, 2015

Speaking engagements

  • 19 February 2020
    NatWest Accelerator Hub, Power Up Your IP
  • 22 January 2020
    EIP/Fieldfisher Roundtable, Understanding the Impact of the EU Copyright Directive on US Businesses
  • 26 September 2019
    IPIC Annual Conference, IP Rights Around the World: International Perspectives (link)
  • 23 September 2019
    TechGC Patent Circle Roundtable, International Patenting (link)
  • 6 December 2018
    Fieldfisher, Exploring the implications of Brexit on your business from a technology perspective
  • 5 December 2018
    Managing IP, European Patent Forum USA 2018
  • 26 October 2017
    Silicon Valley IP Law Association, Obtaining Unitary Patents - Effects of UPC Ratification & Creation of New Pan-European Patent System (link)