Mark Bell

Senior Associate
Mark Bell


Mark is a qualified UK and European patent attorney. He joined Dehns in 2007 having graduated from Oxford University with a first class Master of Physics degree in 2003 and having completed a DPhil in high energy particle physics, also at Oxford University. He was made an Associate of the firm in 2013 and Senior Associate in 2019.

Type of clients and client work

Mark acts for clients of a variety of sizes, from start-ups, university spin-outs and SMEs all the way through to multinational corporations, with a particular focus on small and medium sized technology companies for whom their patent portfolios are one of their major assets.

He has experience in drafting new patent applications, prosecuting these applications to grant before the UK and European Patent Offices, and also handling international patent portfolios. He also files registered designs in the UK and Europe, as well as providing strategic advice regarding the infringement and validity of patents and designs.


Mark’s work involves handling patents in a wide variety of high-tech engineering and physics fields, including: quantum computing, graphics processing, nuclear fusion, satellite technology, telecommunications, solid state lighting, pressure regulation, construction, water oxygenation, nuclear decommissioning and medical devices.

Qualifications and Memberships

  • UK Chartered Patent Attorney, 2012
  • European Patent Attorney, 2011
  • Certificate in IP Law, Brunel University, 2008
  • Fellow of the Chartered Institute of Patent Attorneys
  • Member of the European Patent Institute
  • Associate Member of the Institute of Physics
  • Basic Litigation Skills Course, 2017

Higher Education

DPhil, Particle Physics, University of Oxford, 2007

MPhys (First Class) Physics, University of Oxford, 2003

Mark's DPhil research involved studying the decay of sub-atomic particles (charm and beauty mesons decaying semi-leptonically to electrons) in the large scale ZEUS detector on the HERA electron-proton accelerator at the DESY laboratory in Hamburg.


Mark was recognised as a "rising star" in the 2018, 2019 and 2020 editions of Managing Intellectual Property's IP Stars publication. He has also been recommended in the 2017 edition of The Legal 500 directory, where he was singled out for his "ability to understand novel new physics related inventions and quickly transpose them into a clear and understandable documents, ready for patent filing". Mark was again singled out in the 2018 edition for his work with the US lighting products company Cree on its European patent applications, and mentioned as a "key lawyer" of the firm in the 2020 edition of The Legal 500.

On the back of one of Mark’s articles published in November 2018, Mark was contacted by the American Bar Association (ABA) and invited to give a talk to their members on “Patenting Artificial Intelligence (AI) in Europe”; the feedback he received from the webinar participants was all “Excellent”.

Click here to read the article.

Mark frequently contributes to the Dehns website, providing insight on a number of IP and high-tech related topics. To read any of his articles, please click HERE.