
The group at J A Kemp is well-placed to handle the plethora of complex patents matters for its extensive portfolio of clients, including such well-known and sector-spanning names as Regeneron Pharmaceuticals, Cambridge University and L'Oréal. Martin Jackson advises clients across the electrical, software, manufacturing and engineering fields, while Oxford-based Amanda Simons‘ workload is formed in large part of matters relating to the pharma and medtech sectors, with medtech also being the specialism of Mark Roberts. Ravi Srinivasan has experience handling high-profile conflicts relating to the protection of developed pharmaceutical products. Graham Lewis handles drafting and prosecution regarding immunology and its applications in the treatment and diagnosis of cancer, allergy and autoimmune disease, while Paris-based Dominic Forsythe handles European patent drafting, prosecution and opposition work. All aforementioned co-head the team alongside Pamela Tuxworth and John Leeming. Team members are based in London unless otherwise stated.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
‘John Leeming has consistently produced excellent work and results for us.’
‘Excellent patenting team for the biotech sector. Partners are approachable and explain key concepts and rationale very clearly.’
Key clients
- Abbvie
- Almirall
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Martin Jackson; Amanda Simons; Pamela Tuxworth; Mark Roberts; Ravi Srinivasan; John Leeming; Graham Lewis; Dominic Forsythe
Other key lawyers
Ian MacLeod; Hermione Thompson; Andreas Theisen; James Cracknell; John Hornby
