
Intellectual Property: Patent Litigation
UK Guide 2026 : London (Firms)
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Powell Gilbert LLP
Powell Gilbert LLP is a specialist IP law firm with one of the largest, most innovative and highly regarded IP teams in the UK. It has unrivalled patent litigation experience and a blue-chip brands practice.
The firm’s lawyers include some of the leading IP practitioners, with expertise across the range of IP rights. This includes patents spanning all technologies, from complex biotech to telecom/electronics and FRAND issues, as well as trade marks, copyright, design rights, passing off and confidential information. The technical expertise at Powell Gilbert is second to none. Almost all of the firm’s lawyers have scientific backgrounds, many having PhDs in relevant scientific disciplines.
The firm has appeared in many of the most technically complex and legally challenging patent cases in the UK courts and has represented clients in referrals on SPC law to the CJEU and EFTA Court. The firm also represents clients before the UK IP Enterprise Court and in proceedings before the UK IPO and the EPO.
The firm’s flourishing soft IP practice acts for some of the world’s most sophisticated, brand-driven businesses and has a track record of devising and delivering creative solutions to meet clients’ commercial objectives. The firm also has a strong practice in copyright and design rights, including representing some of the leading manufacturers of iconic furniture.
Clients (32)
- Huawei Technologies
- Napp Pharmaceuticals / Mundipharma
- Elekta
- Research Corporation Technologies
- Edwards Lifesciences
- Elbit Systems
- Garmin
- UCB Biopharma
- Reckitt Benckiser
- Sony Corporation
- Philip Morris International
- Nichia Corporation
- Kymab
- Procter & Gamble
- Vitra
- Cassina
- Fritz Hansen
- Actavis
- Biogen
- Ocado Group plc
- GlaxoSmithKline
- Coloplast A/S
- BioNTech
- CommScope
- Access Advance LLC
- Royalty Pharma
- Xiaomi
- Saint-Gobain
- Promptu Systems Corporation
- Prada
- Illumina Inc
- Vivagro SARL
Industries (10)
- Biotech
- Pharma
- Medical devices
- Chemicals
- Telecoms & electronics
- Engineering
- Energy & clean technology
- Consumer & luxury goods
- Food & beverages
- Media & entertainment
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Powell Gilbert represented BioNTech in UK infringement and revocation proceedings concerning multiple EP (UK) patents held by Moderna.
Strengths
Provided by Chambers
They provide a superb client service.
Intellectual Property: Patent Litigation respondentUKPowell Gilbert on patent litigation have provided an excellent service and are very responsive.
Intellectual Property: Patent Litigation respondentUK
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Penny Gilbert
Penny Gilbert is one of the most accomplished patent litigators in Europe, specialising in pharmaceuticals and biotechnology. She has deep expertise across a magisterial sweep of technologies, not least vaccines, medical devices and antibody drugs. Penny Gilbert is an obvious heavyweight in patent litigation arena.
Intellectual Property: Patent Litigation respondentUKPenny Gilbert is rightly recognised as one of the best people in the business.
Intellectual Property: Patent Litigation respondentUK
Band 4 
Band 4 
Simon Ayrton
Simon Ayrton undertakes a wide range of largely contentious IP work, focusing on trade marks, designs and copyrights. He is also able to handle FRAND patent licensing disputes. I couldn't rate Simon Ayrton more highly - he's a tactical genius and the nicest person to work with.
Intellectual Property: Patent Litigation respondentUK
Band 2 
Band 2 
Zoë Butler
Zoë Butler represents life sciences and technology companies in patent litigation and registry oppositions, often coordinating multi-jurisdictional disputes. Her experience includes patent infringement claims relating to medical devices as well as FRAND licensing disputes. I really like working with Zoë Butler - she is a very clear and critical thinker who really gets what it is we need.
Intellectual Property: Patent Litigation respondentUK
Band 3 
Band 3 
Alex Wilson
Alex Wilson is a seasoned litigator and registry practitioner handling disputes concerning all core rights. He is frequently instructed by leading innovators in the technology and life science sectors. Alex Wilson is a consummate professional who has the depth of experience and knowledge to really help with our global strategy.
Intellectual Property: Patent Litigation respondentUKA very able and very shrewd litigator.
Intellectual Property: Patent Litigation respondentUKAlex Wilson is smart, good on strategy and well liked in the market.
Intellectual Property: Patent Litigation respondentUK
Band 3 
Band 3 
Ari Laakkonen
Ari Laakkonen is recommended for his expertise and experience with regard to telecommunications patent litigation, and is particularly noted for his command of the law concerning FRAND licensing. He has acted on behalf of clients before UK and European courts. Ari Laakkonen is extremely clever, able and creative; a brilliant guy.
Intellectual Property: Patent Litigation respondentUK
Band 3 
Band 3 
Bethan Hopewell
Bethan Hopewell draws on her background in molecular biology to expertly guide life sciences clients through high-stakes patent litigation battles. Her broad and impressive practice covers second medical use patents, diagnostics, small molecules and medical devices. Bethan is very impressive and clients really respect her judgement. She is very client-friendly and good on strategy.
Intellectual Property: Patent Litigation respondentUK
Band 4 
Band 4 
Tim Whitfield
Tim Whitfield is an experienced patent litigator who handles disputes on behalf of pharmaceutical and technology companies. He has worked on many disputes spanning multiple jurisdictions. Up and Coming 
Up and Coming 
Tess Waldron
Tess is garnering praise for her patent litigation experience spanning different industries, particularly the life sciences, but also hi-tech engineering.
Tess Waldron is thoughtful, sensible and straightforward; she gets on with things and is cheerful with it.
Intellectual Property: Patent Litigation respondentUK
Ranked Individuals at Powell Gilbert LLP (9)
Members
Provided by Powell Gilbert LLP

Peter Damerell

Siddharth Kusumakar

Tom Oliver

Bryce Matthewson

Simon Ayrton
View profile of Simon Ayrton
Penny Gilbert
View profile of Penny Gilbert
Zoë Butler
View profile of Zoë Butler
Alex Wilson
View profile of Alex Wilson
Tess Waldron
View profile of Tess Waldron
Ari Laakkonen
View profile of Ari Laakkonen
Tim Whitfield
View profile of Tim Whitfield
Bethan Hopewell
View profile of Bethan Hopewell
Powell Gilbert LLP has rankings in the following guides
Band 3
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