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Our People
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Regions
  • Asia
  • Europe
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  • Canada
    • Ottawa
    • Toronto
  • China
    • Beijing
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  • UK
    • Aberdeen
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    • Cambridge
    • Edinburgh
    • Glasgow
    • London
    • Manchester
    • Oxford
Client liaison
  • Japan
  • Korea
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
  • Energy & Environment
  • Life Sciences
  • Agritech
  • Medical Technologies
  • Chemistry
  • Transport
  • Entertainment & Creative Industries
  • Food & Drink
  • Fashion & Retail
  • Universities & Research Bodies
  • Start-ups & Spin-outs
  • Digital Transformation
    • 3D Printing
    • Artificial Intelligence
    • Blockchain
    • Data & Connectivity
    • Extended Reality
    • Industry 4.0
About Us
  • Working with us
  • Awards
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  • Diversity & Inclusion
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Insights
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  • M&C Reacts
Photo: Yumiko Kato

Yumiko Kato

Senior Associate

Europe
London

Get in contact

+44 20 7420 0000 ykato@marks-clerk.com
vCard

Yumi works in the field of chemistry and has particular experience in polymer chemistry, detergent compositions, printing ink compositions, material science, catalysis, nanotechnology and fluorocarbon chemistry. She also has extensive experience in the field of pharmaceuticals, drug delivery and formulations, as well as medical devices.

Yumi handles a wide variety of work including drafting of new applications, worldwide patent prosecution, particularly in the UK and Europe, portfolio management and freedom to operate opinions. She also has experience in opposition and appeal proceedings before the European Patent Office. Besides English, Yumi is a conversational Japanese speaker and has experience of working with Japanese clients.

Yumi graduated from the Imperial College London with an honours degree in chemistry, and subsequently completed her PhD on the synthesis of novel aldolase mimics at UCL. Yumi joined Marks & Clerk in 2016.

Languages

  • English
  • 日本語 (Japanese)

Specialist in

  • Patents
  • Freedom to Operate
  • Chemistry
  • Life Sciences
  • Medical Technologies

Qualifications

Chartered (UK) and European Patent Attorney

Certificate in Intellectual Property Law, Queen Mary University of London 2010

PhD, Chemistry, UCL (2008)

MSci, Chemistry, Imperial College London (2005)

Search our people

Latest articles by Yumiko Kato

Header image: lab bench
Article
- 05 October 2021

Patentability of known substances in Europe

Even if a substance is known, there are plenty of possible routes that could be explored in order to obtain patent protection.
Read more
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