Sara de Bresser

Senior Associate


Sara is a qualified UK and European patent attorney. She graduated from the University of Strathclyde in 1998 with an Honours Degree in Forensic and Analytical Chemistry. As part of her course she spent over a year in the Netherlands working in the research laboratories of Philips and Utrecht University. Since then she has obtained a PhD from the University of Cambridge for her research in the field of main-group organometallic chemistry. Sara joined Dehns in 2001, and became an Associate in 2008, then a Senior Associate in 2019.


Type of clients and client work

Sara drafts and prosecutes patent applications in all areas of chemistry and advises clients on other aspects of patent law, including EPO oppositions and appeals, infringement, validity and licensing.

She acts for clients of a variety of sizes, from handling international patent portfolios of university spin-outs and SMEs, to UK/European drafting and prosecution for multinational corporations.



Sara drafts and prosecutes patent applications in all areas of chemistry, including polymer production processes, pharmaceuticals, analytical methods and devices, composite materials, coatings, alloys and hydrocarbon processing.


Qualifications and Memberships

  • Authorised Representative before the Unified Patent Court (UPC) (2023)
  • UK Chartered Patent Attorney, 2007
  • European Patent Attorney, 2006
  • Certificate in IP Law, University of London, 2003
  • Fellow of the Chartered Institute of Patent Attorneys
  • Member of the European Patent Institute


Higher Education

PhD, University of Cambridge, Chemistry, 2001

BSc (Hons), University of Strathclyde, Forensic and Analytical Chemistry, 1998

Sara’s PhD research focussed on synthetic and structural investigations of related classes of Group 15 (P, As, Sb)/nitrogen ligand frameworks, with particular reference to the development of new coordination chemistry.

Contact details

Willow Court
West Way
United Kingdom
+44 (0)1865 305 100