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  • Canada
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Client liaison
  • Japan
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Expertise
Services
  • Patents
  • Brands & Trade Marks
  • Designs
  • Litigation & Dispute Resolution
  • Commercial IP & Contracts
  • Due Diligence
  • Freedom to Operate
  • EPO Patent Oppositions
  • European Patent Validations
  • Anti-counterfeiting
  • Open Source & Third Party Code
Sectors
  • Digital Transformation
    • 3D Printing
    • Artificial Intelligence
    • Blockchain
    • Data & Connectivity
    • Extended Reality
    • Industry 4.0
  • Energy & Environment
  • Life Sciences
  • Agritech
  • Medical Technologies
  • Chemistry
  • Transport
  • Entertainment & Creative Industries
  • Food & Drink
  • Fashion & Retail
  • Universities & Research Bodies
  • Start-ups & Spin-outs
    • Creating value for start-ups
    • The IP driven start-up
  • Financial Services
About Us
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  • Diversity & Inclusion
  • Careers
Insights
  • Articles
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  • Resources
  • Unified Patent Court hub
  • Beyond Brexit: European trade mark hub
  • M&C Reacts
Photo: Gareth Williams

Gareth Williams

Partner

Europe
Cambridge

Get in contact

+44 1223 345520 gwilliams@marks-clerk.com
vCard

Gareth is a partner in the Cambridge office of Marks & Clerk, and has over twenty years of experience in IP. His technical background is in human molecular biology and genetics, having obtained a doctorate which was funded as part of the Human Genome Project.

More recent areas of expertise include work on CRISPR, RNAi, and genetically modified organisms, as well as diagnostics and screening methods. Other clients pursue inventions relating to therapeutic antibodies and proteins, stem cells, pharmaceutical formulations, and research tools.

As well as filing and prosecution of patent applications worldwide, Gareth has extensive experience of attending hearings at the European Patent Office. His practice also involves advising on patent term extension, infringement matters and general intellectual property strategy.

He provides freedom to operate and other due diligence reports on complex IP portfolios for clients considering investing in or acquiring IP assets.

Gareth particularly enjoys complex legal questions, and is also Head of Legal Practice at Marks & Clerk LLP. He is also a director of PAMIA Limited, a mutual providing professional indemnity insurance to the IP profession.

Languages

  • English

Specialist in

  • Patents
  • Due diligence
  • EPO patent oppositions
  • Medical technologies

Qualifications

BA, DPhil

Search our people

Latest articles by Gareth Williams

Test tubes overlaid on a Cambridge sunset
Article
- 11 January 2023

New series of articles to focus on Cambridge-led innovations throughout 2023

Cambridge is a technological ecosystem at the forefront of technological innovation, with our city centre office taking care of IP logistics for a number of sizeable firms as well as local start-ups. A new series of articles produced by M&C talent will go further into the history - and future - of this great city.
Read more
M&C
Article
- 19 October 2022

Preliminary opinion published in G2/21 (“Plausibility”)

As we reported previously, the EPO’s Enlarged Board of Appeal is to consider the question of the admissibility of post-published evidence in the consideration of inventive step, in referral G2/21.
Read more
Article
- 22 October 2021

M&C Reacts: Evidence of (Im)Plausibility

The intertwined concepts of plausibility and post-published evidence in relation to sufficiency and inventive step have become embedded in European patent practice over the years.
Read more
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