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Office: Bristol

Jim Ribeiro BSc (Phys), CPA, EPA


Jim is a patent attorney in our Electronics, Computing & Physics group. He is also head of our Aerospace and Defence group and our Semiconductor Fabrication Group.

Jim has experience in a variety of sectors, including metrology in the semiconductor fabrication industry, wind turbines, electronics, computing, telecommunications, aerospace and defence, medical devices and scientific instruments.

Jim has acted for clients in the aircraft, scanning probe microscopy, medical imaging and submersible vehicle sectors. He has advised a variety of clients, ranging from start-ups and universities to larger companies based in Europe, the US and Japan.

Notable achievements include a number of successful oppositions, acting both for the opponent and the patent owner. Jim has also assisted in the development of patent portfolios for a number of companies which were subsequently purchased by large corporates on the strength of their patent portfolios.

Jim’s breadth of technical experience gives him the ability to deal with a wide range of technologies.

Education & Background

Jim has a first class honours degree in Physics from Bristol University. He trained at a firm of patent attorneys in London from 1992 to 1998, where he qualified as a UK Patent Agent and European Patent Attorney. He then worked in New Zealand until 2004, returning home in November 2004 to join Withers & Rogers’ where he became a partner in 2006. In March 2023, he was registered as a representative before the new Unified Patent Court, one of the first European patent attorneys to be entered on the list of UPC representatives.

On a personal note...

Jim is a keen pianist and has performed as a soloist and in various bands. His current band is available for weddings, birthdays and bar mitzvahs…