Simon Kiddle > Mewburn Ellis LLP > Bristol, England > Lawyer Profile

Mewburn Ellis LLP

Work Department

Head of Life Sciences


Partner, Patent Attorney


Simon has nearly 30 years’ experience in original patent drafting, patent strategy European oppositions and appeals, including complex multi-party proceedings, and due diligence work, across the life sciences field for both large and small molecule therapeutics. He has worked on the portfolios covering many top selling biologics and has been at the forefront of patenting in the field of precision medicine and life cycle management for therapeutics. Simon heads up the firm’s Life Sciences practice group and is a member of our Management Board.

Simon works with large and small biotech companies, universities and research charities. He also advises start-up companies and investors in patent strategy.


Simon has a chemistry degree from Oxford University. He joined Mewburn Ellis in 1991, qualifying as a Chartered Patent Attorney in 1994 and a European Patent Attorney the following year. He joined the partnership in 1997.

Lawyer Rankings

London > TMT (technology, media and telecoms) > PATMA: Patent attorneys

Mewburn Ellis LLP continues to thrive, with significant growth across all teams. The life sciences practice in particular has handled patents in biologics, bioinformatics, cell therapies, vaccines and precision medicines. The additional expertise in pharma regulatory matters and patent extensions as well as plant variety patents is another stand-out strength. On the chemistry side, the practice impresses with its work in advanced materials and polymers, and is an affiliate partner to the Graphene Engineering Innovation Centre. The engineering and ITC specialists offer combined expertise in patent and design work. At the EPO, the team is among the most active representatives in oppositions and appeals, especially when acting for defendants. Able to manage global IP portfolios of multinationals, but also excelling in original drafting work for smaller clients including prestigious universities, technology transfer offices and spun out start-ups, the firm offers a comprehensive patent prosecution package. In addition to its four UK offices, the firm also has an office in Munich, allowing for direct filing of German patents. Graeme Moore (Manchester) directs the engineering and ICT team, Jeremy Webster (Manchester) heads up the chemistry practice, and Simon Kiddle (Bristol) leads the life sciences team. The London-based Calum McGuinn, who specialises in chemistry and materials, made partner in April 2021. The previous April June Lyons (Manchester) and Susie Harrison (Cambridge) made patent director, a non-equity partner-level position. Patent director Rachel Jones left the firm in spring 2021.