John Fisher

John is an experienced European and UK Patent Attorney who works with a wide variety of technologies in the chemistry and materials sectors.  He has a busy prosecution portfolio and a substantial EPO opposition practice. John enjoys working with clients that range in size from start-ups to major multinationals.  Notable clients include a major multinational consumer goods corporation, a leading global provider of printing technologies, and a UK-based innovator in the lithium-ion battery space.  John also works closely with a number of leading attorney firms in the US and the Far East to secure European and UK patent protection for their clients.

John has a particular reputation for his expertise as an advocate in contentious inter-partes proceedings at the European Patent Office.  He makes around 20 appearances before the EPO Opposition Divisions and Boards of Appeal each year and is adept at handling multiple proceedings in parallel for related cases.  He is a recommended individual in the IAM Patent 1000 and the Legal 500 rankings.  In 2021, he was award the Impact Case of the Year award from MIP for his work on EPO Board of Appeal Decision T1621/16.

John practice encompasses various technologies in the industrial chemistry and materials space.

• Polymers and adhesives
• Electroactive materials and battery chemistry
• Consumer chemistry
• Commodity chemicals and intermediates
• Oil and gas recovery and refining
• Medical consumables
• Inks and printing technologies
• Synthetic organic chemistry
• Cosmetics
• Medical devices

European Patent Attorney
UK Patent Attorney
UPC Representative

Fellow of the Chartered Institute of Patent Attorneys (CIPA)
Member of the European Patent Institute (EPI)
Member of the American Intellectual Property Law Association

John graduated from King’s College London with a First Class Master’s Degree in Chemistry.  He went on to complete a D.Phil in Organic Chemistry at Oxford University, specialising in natural product synthesis. John entered the patent profession in 2006 and qualified as a European and UK Patent Attorney in 2010.  He joined GJE as a Partner in 2019.