Firm Profile > Carpmaels & Ransford LLP > London, England

Carpmaels & Ransford LLP

PATMA: Patent attorneys Tier 1

Carpmaels & Ransford LLP has added a dedicated materials team to its offering, which, together with the firm's chemistry experts, fields a particularly busy EPO opposition caseload. The firm has an excellent reputation for its life sciences work, offering services from invention mining to enforcement and litigation for pharmaceutical and biotechnology clients. Life sciences due diligence matters are increasingly visible in the team's workload. On the engineering and technology side, the firm continues to expand its AI and machine learning practice, for example for clients in the fintech sector, while growing its medical device work, with a strong opposition and appeals practice. Hugh Goodfellow, managing partner since January 2020; physical sciences business lead John Brunner; head of pharmaceuticals James Warner; head of biotechnology Mark Chapman; head of chemistry Gillian McGuire; head of engineering and tech Gary Small; and head of the transaction practice Jake Marshall lead the firm's offering. Stephen Duffield and Chris Hoggett made partner in July 2019.


‘A high level of focus on clients’ needs and on delivering a high-quality service.’

‘Great people and great listeners. They understand the client’s aims.’

Key clients

Align Technology

Biosense Webster

Eli Lilly (FORSTEO)


Ethicon, Inc.

Gilead Sciences

Highview Power

Incyte Corporation

Ionis Pharmaceuticals, Inc.

Johnson & Johnson Consumer Inc.

Johnson & Johnson Vision Care

Novartis Pharma AG


Stanford University / Forty Seven inc.





Saudi Aramco




PATMA: Trade mark attorneys Tier 2

The team at Carpmaels & Ransford LLP recorded further growth in its trade mark prosecution practice, taking over a substantial number of valuable trade mark portfolios for international and domestic clients. In addition to assisting with clearance matters, registration proceedings, and transactional and commercial matters, the team offers in-depth knowledge of contentious trade mark issues. With the team well versed in opposition and appeal proceedings in the UK, the EU and elsewhere, and noticeably more active in trade mark litigation, the success of the practice's strategic shift towards high-stakes contentious work is becoming increasingly apparent. Roger Lush and Jonathan Day form the duo at the helm of the practice.

Practice head(s):

Other key lawyers:


‘Great people, great listeners, understand the client’s aims.’

‘Roger Lush has helped us manage a deeply complex range of marks across the globe with ease and while managing costs.’

Key clients

Allergan (JUVÉDERM & Botox)

Deere & Company

Umarex GmbH & Co. KG

The Royal Automobile Club Motor Sports Association Limited

Western Digital, Inc.


Manzanita Capital (SpaceNK, Diptyque, Byredo, Kevyn Aucoin, Eve Lom, Susanne Kaufmann)

McIlhenny Company (i.e. TABASCO)

Compass Pathways Limited

Aphria Inc

Belron International

Biogen MA Inc

Intellectual property: patents (contentious and non-contentious) Tier 4

Carpmaels & Ransford LLP continues to expand its patent litigation offering under the guidance of Camilla Balleny and disputes practice head David Wilson. Life sciences is a sector of focus and recent highlights involved defending revocation and infringement proceedings for global pharmaceuticals clients. A transactional practice is also provided under Jake Marshall, who fields expertise in devising high-value collaboration agreements for blockbuster medicines including for HIV treatment. Marshall also handles oppositions, licensing agreements and portfolio acquisitions.

Other key lawyers:


Combining a litigation team with a heavy-hitting patent attorney firm has been a resounding success. Carpmaels provides a fantastic one-stop offering at the highest level, with really fruitful results.

Camilla Balleny is a warm and personable adviser who is justifiably loved by her clients. With her technical background and considerable litigation experience, she is an excellent person to have on-side.

David Wilson is a calm head in the throes of a challenging case and is able to draw on considerable experience. He provides sound advice and a reassuring presence to clients.

Key clients

BISSELL Homecare, Inc.

BMS (formerly Celgene)


Foundation Hubrecht Organoid Technology

Gilead Sciences

Integra LifeSciences

Norgine B.V.

Life sciences and healthcare Tier 4

Key partners at Carpmaels & Ransford LLP include David Wilson (dispute resolution), Jake Marshall (IP transactions), James Warner (head of pharmaceuticals) and Mark Chapman (head of biotechnology). The firm combines a first-rate PATMA practice with litigation and regulatory expertise and serves an extensive range of pharma and biotech clients. The practice is home to lawyers with a notable range of science qualifications. It handles cross-border litigation and cases at Supreme Court level. On the transactional side, its expertise includes patent and know-how licence agreements, commercialisation matters and IP assignments.

Key clients


BMS (formerly Celgene)


Foundation Hubrecht Organoid Technology (HUB)


Incyte Corporation



Norgine B.V.

Carpmaels & Ransford LLP is a leader in the European IP market, having driven innovation in the industry for over 200 years. The firm advises clients on all aspects of intellectual property including drafting, filing and prosecuting patent and trade mark applications, drafting and negotiating licence agreements and other commercial IP agreements, advising on the transfer of property rights, assisting clients with patent restoration matters and conducting enforcement and revocation litigation.

The firm has one of Europe’s largest intellectual property teams serving blue-chip clients across the globe, including Johnson & Johnson, Celgene, Novartis, Ionis Pharmaceuticals, Mars, Micron, Gilead, Raytheon, Regeneron, Takeda, Allergan and Xeros. The firm’s attorneys have considerable technical knowledge, bringing together experience from industry-leading companies, academic research at leading universities, and extensive patent expertise in the areas of engineering and tech, chemistry and materials, pharmaceuticals, biotechnology, supplementary protection certificates and information communications technology and standards.

Through the firm’s fully integrated dispute resolution and transactions teams, the firm is able to provide a holistic service for clients which supports their IP needs from inception to commercialisation. The dispute resolution team, comprised of experienced solicitors, barristers and patent attorney litigators, represents clients at all levels of the European Patent Office (EPO).The team is also adept at conducting enforcement litigation and revocation actions before the UK Intellectual Property Office (UKIPO) and patent, copyright, trade mark and other IP litigation in the English courts and the Court of Justice of the European Union, often advising in cases where parallel or related litigation is ongoing in courts across Europe or in the United States.

The transactions team is another key part of the firm’s integrated IP offering. As well as advising on the acquisition and licensing of IP rights, and other IP focused agreements, (such as development and collaboration agreements), the team manages multi-jurisdictional patent/trade mark assignment recordal projects, provides specialist advice on the transfer of priority rights and assists clients with the restoration of registered IP rights around the world.

Department Name Email Telephone
Managing partner Hugh Goodfellow
Chemistry Gillian McGuire
Dispute resolution David Wilson
Engineering and technology Gary Small
Life sciences Hugh Goodfellow
Trade marks Roger Lush
Transactions Jake Marshall
Photo Name Position Profile
 Harvey Adams  photo Harvey Adams Harvey is a partner focussing on the Life Sciences and Chemistry sectors.…
 Camilla Balleny  photo Camilla Balleny Camilla is a partner in the Dispute Resolution team. She has focussed…
 Paul Bettridge  photo Paul Bettridge Paul sits within our Engineering and Tech teams, predominantly working within the…
 John Brunner  photo John Brunner John has extensive experience working within the tech sector, with one of…
 Mark Chapman  photo Mark Chapman Mark leads the Biotechnology team at Carpmaels & Ransford. Mark’s impressive Biotech-only…
 Bruce Cockerton  photo Bruce Cockerton Bruce’s chemistry practice covers both industrial and medicinal chemistry, encompassing polymer chemistry, apparel…
 Jonathan Day  photo Jonathan Day Jonathan is dual-qualified as a solicitor and trademark attorney. His background in…
 Stephen Duffield  photo Stephen Duffield Stephen’s work has a particular focus on biological therapies, often contentious and…
 Matthew Georgiou  photo Matthew Georgiou Matthew is a Partner in the Life Sciences group. Matthew spends the…
 Hugh Goodfellow  photo Hugh Goodfellow Hugh leads the Life Sciences team at Carpmaels & Ransford. As part…
 Chris Hoggett  photo Chris Hoggett Chris’ practice is in the pharmaceutical area of life sciences. He handles…
 David Holland  photo David Holland David is a partner in the Life Sciences group and has a…
Mr Ian Kirby  photo Mr Ian Kirby Ian is a Partner in the Dispute Resolution team and focuses on…
Dr Susan Kirsch  photo Dr Susan Kirsch Susan is a Partner in the Chemistry team at Carpmaels & Ransford.…
 Roger Lush  photo Roger Lush Roger’s extensive and varied practice covers the full trade mark life-cycle, from…
 Jake Marshall  photo Jake Marshall Jake specialises in transactional and advisory matters involving intellectual property and technology.…
 Cameron Marshall  photo Cameron Marshall Cameron focuses exclusively on the biotechnology and pharmaceutical fields, with an extensive…
 Gillian Mcguire  photo Gillian Mcguire Gill leads the Chemistry team at Carpmaels & Ransford. Gill has a…
 Edward Oates  photo Edward Oates Ed practises in the life sciences field, with a particular focus on…
Dr Gary Small  photo Dr Gary Small Gary leads the Engineering and Tech groups at Carpmaels & Ransford. He…
 Chris Tunstall  photo Chris Tunstall As a partner within the Engineering and Tech groups, Chris handles a…
 James Warner  photo James Warner James leads the Pharmaceuticals team at Carpmaels & Ransford. His practice focuses…
 David Wilson  photo David Wilson David leads the Dispute Resolution team at Carpmaels & Ransford and has…
 Daniel Wise  photo Daniel Wise Daniel specialises in biologics and pharmaceuticals, with particular expertise in protein therapeutics,…
Number of UK partners : 27
Number of other UK fee-earners : 96