Charlie Dempster

UK & European Patent Attorney

Charlie has worked in the patent profession since 2008. He has been involved in drafting and prosecuting patent applications in Europe and many overseas jurisdictions. 


Year joined: 2016

Qualifications: MChem, EPA, CPA


Charlie has experience of drafting and prosecuting patent applications at the European Patent Office (EPO) and UK Intellectual Property Office. He has coordinated the prosecution of global patent portfolios in a wide variety of countries including the US, Canada, China, Japan, South Korea, Russia, India and Australia. He also has experience of EPO Opposition and Appeal proceedings and advising clients on patent infringement and validity.

Charlie has handled a variety of chemistry based subject matter such as pharmaceuticals, oil field services technologies, refinery operations, fuels and additives, industrial chemistry, food chemistry, personal care products and cosmetics. He also has some experience prosecuting applications directed to medical devices and biotechnology.


Charlie graduated from Durham University obtaining a master’s degree in Chemistry. He also holds a Certificate in Intellectual Property Law from Queen Mary, University of London.

Membership & Organisations

Charlie is a member of CIPA.



  •  Patent Applications

  • Patent Drafting and Filing
  • Patent Enforcement
  • Patent Portfolio Management
  • Patent Oppositions
  • IP Strategy
  • Commercialisation
  • Freedom to Operate
  • Due Diligence
  • Licensing

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