SJ Paines



SJ is a Chartered (UK) Patent Attorney, European Patent Attorney and Chartered Linguist. They joined Dehns in 2021 after a number of years at another IP firm. They hold a First Class Honours Degree in Electrical & Electronic Engineering as well as a First Class Honours Degree in Modern Languages. Prior to joining the IP profession, SJ worked as a patent translator and proofreader.


Type of clients and client work

SJ works with a wide variety of clients, from individual inventors to multinational companies and overseas attorneys. SJ has experience in drafting and prosecuting patent applications in the UK and Europe, as well as in other jurisdictions including China, Japan, Korea and the US. SJ also has experience in providing infringement and validity advice.



SJ specialises in patent matters relating to the electrical and electronic engineering and computer software sectors, including analogue electronics, semiconductors, control systems, automotive systems, telecommunications, computer-implemented inventions, artificial intelligence and natural language processing. SJ also handles cases in the mechanical engineering and oil and gas sectors.


Qualifications and Memberships

  • Authorised Representative before the Unified Patent Court (UPC) (2023)
  • European Patent Litigator 2023
  • European Patent Attorney 2021
  • Chartered (UK) Patent Attorney 2019
  • Intellectual Property Litigation Certificate
  • Chartered Linguist (German)
  • Fellow of the Chartered Institute of Patent Attorneys
  • Member of the European Patent Institute
  • Member of the Chartered Institute of Linguists


Higher Education

  • BEng (Hons) Electrical & Electronic Engineering (First Class), London South Bank University 2015
  • BA (Hons) Modern Languages (First Class), University of Southampton 2010



SJ speaks French, German and Portuguese.

Contact details

The Brinell Building
30 Station Street
United Kingdom

+44 (0)1273 244 200 +44 (0)20 7353 8895


mechanical engineering, electronics, software