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  • Home
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  • Alison Dennis
Alison Dennis
Alison Dennis

Alison Dennis

Partner

  • London UK
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+44 20 7300 4725
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Featured award

Chambers and Partners UK 2026

Ranked Band 1 in the Life sciences: regulatory category.

Scroll to featured award

Alison co-heads our international life sciences team. 

Alison is recognised as a top regulatory and transactional life science lawyer in Europe and is qualified in England & Wales and the Irish Republic. She works with mid-sized and large medical device and pharmaceutical manufacturers, helping them to design new product offerings to meet regulatory requirements and to facilitate product commercialisation across the UK and EU. Alison frequently negotiates optimal positions for pharma and medical device companies with regulators such as competent authorities, notified bodies, and industry bodies with voluntary codes.

Alison’s analytical understanding of strategy and business comes from over 25 years helping hundreds of life sciences companies manage the range of legal challenges that arise in putting medicinal products and medical devices on the market in Europe and beyond. Her experience has encompassed complex regulatory matters, corporate, competition, IP and compliance with anti-bribery laws and codes. She applies this breadth of knowledge to help companies achieve their business goals at the same time as regulatory and compliance requirements and she is consequently known for providing highly pragmatic advice.

Alison's recent experience includes advising:

  • For multiple medical devices and IVD clients, drafting Field Safety Notices and Field Safety Corrective Actions and negotiating these with regulators across many European countries, the Middle East and Asia: engaging with the TW products team in undertaking any consequential recall of products.
  • An international pharmaceutical company on responding to a PMCPA complaint and successfully appealing the decision.
  • A medical device company on an investigation of the activities of its sales and marketing teams in relation to engagements with HCPs and HCOs, undertaking the investigation and advising on changes to policies, processes, procedures and training.
  • A pharmaceutical company on gearing up with sales agreements and compliance activities, including extensive training, before placing their pharmaceutical product and their medical device on the market across Europe.
  • An IVD company on interactions with the MHRA and with government departments: steering a course to settle regulatory issues on a commercially acceptable basis.
  • On the VPAS scheme for pharmaceuticals, and regarding the size of the rebates payable under it.
  • Acting on the disposal of assets from an international manufacturer to a large medical device company, dealing with the issue of "frozen" MDD certificates and working with the notified body to facilitate the acquisition from a regulatory perspective.

Thomson Reuters, Stand-out Lawyers 2022 - Identified by in-house lawyers as one whom they rated above all others that they interact with.

Expertise

Services and Groups

Data & cyber
Copyright & media law
Information technology
Patents & innovation
Brands & advertising
Commercial & consumer contracts
Competition, EU & trade
Corporate crime & compliance
Disputes & investigations
Regulation
Product compliance
Product liability & product safety
Transport
EU law & EU procedural law
Healthcare regulatory
Anti-bribery & corruption
Regulatory enforcement
Resolving patents & know-how disputes
Drafting and negotiating patents & know-how commercial agreements
Tech Litigation
Advertising & unfair competition
Product launch strategy
Advisory work on structuring or transfer of contractual arrangements
Contractual, technology, data and IP due diligence in M&A transactions
Drafting and negotiating the full range of complex commercial (B2B) contracts
Drafting and negotiating the full range of consumer (B2C) contracts
Regulatory issues affecting contractual arrangements
Cooperations & joint ventures
Distribution & competition law
IP-related competition law
Compliance
Health Data
New Digital Products & Data
Advising on life sciences regulation

Sectors

Life sciences & healthcare
Real estate
Digital health
Medical devices
Real estate life sciences & healthcare
Biotech
Health & social care and investors
Pharmaceuticals
Machine learning
Advertising Medical Devices

Advertising Medical Devices European Comparison Tool

Looking to promote your medical device products in Europe? Access our comparison tool to manage regulatory challenges across multiple jurisdictions. 

Access here

CV

Since 2020 Partner, Taylor Wessing
2008 - 2020 Partner & head of life sciences, Fieldfisher LLP
1996 - 2008 Associate to Partner, Reed Smith
1996 Admitted as a solicitor, England & Wales
1994 LPC, York Law School
1993 Masters, Law & Economics, University of Oxford (including Hamburg University & Erasmus University, Rotterdam)
1992 LLB (Hons) European Legal Studies, Law University of Bristol (including University of Rouen, France)

Career

Since 2020 Partner, Taylor Wessing
2008 - 2020 Partner & head of life sciences, Fieldfisher LLP
1996 - 2008 Associate to Partner, Reed Smith

Education

1996 Admitted as a solicitor, England & Wales
1994 LPC, York Law School
1993 Masters, Law & Economics, University of Oxford (including Hamburg University & Erasmus University, Rotterdam)
1992 LLB (Hons) European Legal Studies, Law University of Bristol (including University of Rouen, France)

Publications

Pharmaceutical Advertising 2022, Chambers Global Practice Guides, April 2022

Advertising medical devices in the EU – do the MDR and IVDR represent a change in EU law?, Journal of Medical Device Regulation, February 2020

Eudamed timelines: unravelling contradictory legislation to understand how the deadlines apply – a lawyer’s view, Medtech Insight, November 2019

The EU Medical Devices Regulation and In Vitro Diagnostic Medical Devices Regulations, Lexis PSL, November 2019

Distribution and marketing of drugs in England, Thomson Reuters Practical Law, November 2019

Distribution and marketing of drugs in the EU, Thomson Reuters Practical Law, November 2019

Commercialisation of healthcare in the EU, Thomson Reuters Practical Law, November 2019

Commercialisation of healthcare in England, Thomson Reuters Practical Law, November 2019

Complying on time with MDR/ IVDR: what options are open to those in trouble?, Medtech Insight, November 2018

Memberships & Associations

Chair/vice-chair, legal & compliance committee, Association of British HealthTech Industries (ABHI), since 2013

Trustee and company secretary, Bede House Charity, 2008 - 2013

Regulatory Affairs Professional Society (RAPS)

The Organisation for Professionals in Regulatory Affairs (TOPRA)

 

Additional languages

French

Awards

Chambers and Partners UK 2026

Featured

Ranked Band 1 in the Life sciences: regulatory category.

Legal 500 UK 2026

Leading partner in the Life sciences and healthcare category.

Legal 500 UK 2025

Leading partner

Managing Intellectual Property – IP Stars 2024

Patent and transactions star

Life Sciences regulatory - Band 2: “Alison Dennis is very experienced and an excellent lawyer.”

Life Sciences (transactional) - Band 3: Alison Dennis is called on by leading sector clients to advise them on all manner of high-value transactions and also on the compliance of their products with various regulatory regimes. She acts for market leaders in biotech, medical devices and pharmaceuticals. "Alison Dennis is very good on medical devices."

Life Sciences (regulatory) - Band 2: Alison Dennis is called on by leading sector clients to advise them on all manner of high-value transactions and also on the compliance of their products with various regulatory regimes. She acts for market leaders in biotech, medical devices and pharmaceuticals. "Alison Dennis is very good on medical devices."

Alison has been recognised in The Lawyer's Hot 100 in 2022, for the second time, having been selected previously in the 2013 cohort.

Life Sciences - Transactional: "Alison Dennis is called on by leading sector clients to advise them on all manner of high-value transactions and also on the compliance of their products with various regulatory regimes. She acts for market leaders in biotech, medical devices and pharmaceuticals." "Alison Dennis has always been a knowledgeable and resourceful life science lawyer."

IP - contentious and non-contentious

Product liability - defendant

Product liability - defendant

Alison's news & insights

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Life sciences & healthcare

Advertising skinny jabs – regulators react

15 October 2025

by Alison Dennis and Alice Matthews

Synapse - Europe's approach to supply chain issues for medicines and medical devices

EU and medicines supply issues (part one): Current measures

Marketing Authorisation Holders (MAHs) in the EU are legally required to report medicine supply shortages to the European Medicines Agency and national authorities. This article explores the central role of Marketing Authorisation Holders (MAHs) in identifying and managing medicine supply shortages in the EU as well as the role of EMA committees and working groups in coordinating responses and maintaining the Critical Medicines List to safeguard public health.

1 October 2025
Quick read

by Alison Dennis

2 of 5 Insights

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Synapse - Europe's approach to supply chain issues for medicines and medical devices

EU and medicines supply issues (part two): Proposals for future measures

In part two of our article on EU and medicine supply issues we explore the key proposals outlined in pharmaceutical reform and their impact on marketing authorisation holders across the region.

1 October 2025
Quick read

by Alison Dennis and Alice Matthews

3 of 5 Insights

Click here to find out more
View Alison's insights

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