
- Profile
Testimonials
Collated independently by Legal 500 research team.
‘A consistently top-quality team specialising in life sciences patent litigation.'
‘I would highly recommend Katie Coltart. She goes above and beyond for her clients and is a real fighter for their cause.'
‘Extremely diligent and creative team with the ability to take litigation from start to finish.’
‘Katie Coltart is a standout practitioner. Incredibly sharp and yet also a pleasure to work with, she is an obvious choice for challenging multi-jurisdictional patent work.’
‘Katie Coltart is an extremely good patent litigator. She has a depth of experience, a good technical understanding and a very sharp mind.’
‘Katie Coltart brings extensive experience in coordinating pan-European patent litigation. She is quick to understand and appreciate the differences in law and customs between various European jurisdictions, and she has an appealing demenaour.'
- 'Yohan Liyanage stands out for his non-contentious work. He is a very able draftsman and is quick to understand the aspects of the facts that his contracts need to capture.’
‘Attentive any time, interdisciplinary view of the matters with a thorough understanding of the business and the legal question at hand.’
Key clients
- GSK
- Sanofi
- Regeneron Pharmaceuticals. Inc.
- Ceres Power
Work highlights
Lawyers
Next generation partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head
Ian Karet; Yohan Liyanage; Katie Coltart; Paul Joseph
Other key lawyers
Stephanie Farrington