Consulting Partner, Patent Attorney, Chartered Trade Mark Attorney



Roger was a member of our electronics, computing & physics and engineering patent teams as well as our trade mark and design teams. His patent work encompassed the telecommunications, electronics & electronic engineering, oil & gas, computer software, mechanical & structural engineering, Medtech, semiconductor, transport and Cleantech industry sectors whilst his trade mark and design work covered a vast range of industry sectors including the agricultural science, pharmaceutical, consumer products, food & beverage and retail sectors as well as those forming the focus of his patent work.

Areas of Expertise

  • Semiconductor and optical devices
  • Computer hardware and software – Roger was the patent attorney acting for Hitachi in the landmark appeal decision T258/03 concerning the technical character of computer inventions
  • Printing technology
  • Marine engineering
  • Automotive technology including hydraulic mounts, automotive electronics and steering column components
  • Photovoltaic cells
  • X-ray analysis apparatus
  • Medical devices such as ultrasound devices, catheters, stents and implantable stimulators


His clients included SMEs and multinational companies including many Japanese clients.


Roger has a degree in Physics from University of Durham.

Roger joined Mewburn Ellis LLP in 1978, qualifying as a Chartered Patent Attorney and a European Patent Attorney in 1981. He also qualified as a Registered Trade Mark Attorney in 1994. He joined the partnership in 1984 and became a Consulting Partner in 2016.

Roger was also a regular visitor to Japan where he provided lectures and seminars to clients.