Matthew Sullivan



Matt graduated from the University of Cambridge in 2016 with a first-class MSci degree in Natural Sciences (Chemistry). Prior to joining Dehns in 2017, he worked in the Grey Group in Cambridge where his research focused on all-solid-state lithium ion battery development.

Matt qualified as a UK and European Patent Attorney in 2021 and became an Associate in 2023.


Type of clients and client work

Matt has experience of prosecution of large patent portfolios for a number of multinational companies. He also works for SMEs and university spin-out companies assisting with the drafting and subsequent prosecution of new patent applications.

He is also involved in EPO Opposition proceedings as well as the filing and prosecution of applications for Supplementary Protection Certificates.



Matt’s work spans a range of chemical fields including: pharmaceuticals, medical devices, agrochemicals, cosmetics, personal care products, and oil field technology.


Qualifications and Memberships

  • Authorised Representative before the Unified Patent Court (UPC) 2023
  • UK Patent Attorney, 2021
  • European Patent Attorney, 2021


Higher Education

MSci Natural Sciences (Chemistry), University of Cambridge, 2016



Matt was awarded the Director’s prize for Trade Marks, the Director’s prize for Copyright and Design and the Bill Caro Prize for best overall candidate for the Queen Mary Postgraduate Certificate in Intellectual Property Law course 2017/2018.

Contact details

The Brinell Building
30 Station Street
United Kingdom
+44 (0)1273 244 200 +44 (0)20 7353 8895