Firm Profile > Arnold & Porter > London, England

Arnold & Porter

Product liability: defendant Tier 1

Arnold & Porter's team is highly regarded for its life sciences practice, which includes lawyers who are also qualified in medicine, toxicology, and pharmacy, among other areas. It represents clients in product liability litigation, including multi-party group actions and unitary claims, inquests with respect to deaths, investigations and public inquiries as well as in safety and recall matters. On the non-contentious side, the team also advises on a variety of risk management issues. Practice head Ian Dodds-Smith has an outstanding reputation in the market and also leads the firm's EU life sciences and product liability practice group. Adela Williams, who is also a registered medical practitioner and assistant coroner, is another key contact. Jackie Mulryne made partner in 2019 and, alongside counsel Tom Fox, is also noted.


Arnold & Porter has great strength-in-depth as well as enormous experience and is able to cover both the scientific and the legal aspects.’

The team at Arnold & Porter is known to deliver a very good quality of work.

Ian Dodds-Smith is a seasoned lawyer, who helped to set the foundation in the area.

Adela Williams has enormous experience in the area and has great attention to detail. She manages to always secure the trust and confidence of the client.’

Key clients




Pharmaceuticals and biotechnology Tier 2

The Arnold & Porter team is led by Ian Dodds-Smith who is considered a 'luminary' when it comes to regulatory and product liability cases. His expertise covers UK and European regulatory regimes and his product liability experience includes numerous group actions conducted in the UK and Europe. Lincoln Tsang is also know for his regulatory and enforcement work. He is a former senior regulator and advises clients on a raft of sectors;  pharmaceuticals, biotechnology, medical devices, in vitro diagnostic devices, cosmetics and food including on public policy issues. Other team members include Adela Williams who is a registered medical practitioner specialising in regulatory regimes and group actions and Jacqueline Mulryne  who has a focus on the effects of decisions by regulatory bodies.

Key clients



Bayer plc


Boston Scientific

Grünenthal GmbH




Regulatory investigations and corporate crime Tier 2

Arnold & Porter 's City team handles both regulatory investigations and corporate crime. Areas of expertise include conducting multi-jurisdictional internal and external investigations, transnational negotiations with foreign regulatory and prosecuting agencies and advising on matters of compliance, anti-fraud policies, bribery, corruption and criminal defence. It often deals with investigations by organisations such as the SFO, CPS, FCA, HMRC, FRC and DoJ. Co-head of team Kathleen Harris is very experienced in corporate crime matters. Sean Curran, who also co-heads the team, advises corporates and individuals on white-collar defence matters.


‘Arnold & Porter’s practice is concerned with high-profile, serious crime and investigations and its success rate is superb’.

‘Partner-led service that is of the highest quality’.            

‘Sean Curran handles matters with style and confidence; he has the ability to deal with the most senior executives of the largest global corporates’.             

‘Kathleen Harris is a leader in this field; her ability to predict the direction of travel in a case, and place her clients in the best possible position, securing outstanding results, is very well established’.


Key clients

News UK

Republic of South Africa

Tiffany & Co


Jes Staley, CEO, Barclays Bank

Debt capital markets Tier 3

Arnold & Porter's debt capital markets practice is best known for its representation of sovereign issuers in international financial transactions, often in challenging jurisdictions. The practice, led by Jeremy Willcocks with support from former US Executive Director of the World Bank Whitney Debevoise, who works in both the London and New York offices, has a stellar client roster that includes the Republic of Azerbaijan, Bosnia and Herzegovina, the Federative Republic of Brazil, Hungary, the Hashemite Kingdom of Jordan, the Republic of Kenya, the Republic of Turkey and the Bank of Zambia. Willcocks, whose innovative work included the debut diaspora bond for the Republic of Nigeria, leads the European side of the practice, while Debevoise focuses on US law.

Hedge funds Tier 3

Arnold & Porter leverages its transatlantic presence to provide a full range of services to clients, such as US and EU-based investment managers, institutional investors, fund distributors and service providers. Simon Firth, who is the main contact in London, works alongside New York-based practitioners to assist clients with fund formation and tax structuring, management group structuring, ownership and compensation arrangements, prime brokerage documentation and compliance policies/procedures, among other matters.  On the regulatory front, issues connected with AIFMD, MiFID and the European Market Infrastructure Regulation (EMIR) are notable drivers of activity. In addition, Firth advises asset managers and funds on Brexit-related issues. The firm also advises clients on the application of US regulatory regimes to their businesses.

Key clients

IPM Informed Portfolio Management AB/IPM Cayman Funds

MacKay Shields LLC / MacKay Shields UK LLP

RoboCap LLP/RoboCap Partners Funds

MFW-Multi Family Wealth Limited

York Capital Management LLC

Orthogon Partners Investment Management LLC

IT and telecoms Tier 3

Arnold & Porter's telecoms, internet and media team is recognised for handling a range of complex multi-jurisdictional telecoms and media regulatory work. The group also has experience assisting its impressive client roster, which includes Tata Communications and Ellalink, with the commercial and financing aspects of transactions. Practice head and 'exceptional lawyerRob Bratby has significant regulatory expertise and is frequently instructed on international telecoms projects.


Arnold & Porter stands out for the practical nature of its advice, and the thoroughness of its efforts to understand clients and adjust its advice accordingly.

Rob Bratby knows how to add value. The coordination among the team avoids the often recurring siloed advice seen at other firms. They are thoughtful, good listeners and evidently care about finding the right solutions for clients.

Key clients


Tata Communications

Orange Business Services



Public international law Tier 3

Arnold & Porter has 'a very good reputation in the public international law sphere' where its advises on investment treaty arbitration under the ICSID Rules, UNCITRAL investment treaty arbitrations conducted under the auspices of the Permanent Court of Arbitration in The Hague, and other ad hoc arbitration rules. The practice continues to expand in personnel and client numbers; it was recently bolstered by the hire of Jane Wessel from Shepherd and Wedderburn and has received new instructions from the European Commission and Latin American clients.  Dmitri Evseev's work focuses on acting for sovereign states in investor-state arbitrations under various bilateral investment treaties and the Energy Charter Treaty; Patricio Grané Labat leads on Latin American investor-state cases. David Reed is another name to note.

Data protection, privacy and cybersecurity Tier 4

With substantial expertise in the life sciences sector, Arnold & Porter’s practice includes specialists from the employment, commercial, IP, technology and regulatory practices. The group also acts for clients in other highly regulated sectors, advising on the interplay between data protection and regulatory frameworks. Richard Dickinson leads the practice and focuses on transactional mandates, Rob Bratby handles regulatory and transactional work in the telecoms, media and technology sectors; and employment partner Henry Clinton-Davis assists employers with data protection issues relating to employees and HR data transfers outside the EEA.

Key clients

TELUS International

Orange Business Services

Eli Lilly

The Big Give

Tesla Motors Inc

Adobe Systems

Fraud: white-collar crime Tier 4

Arnold & Porter advises clients on regulatory investigations, corporate crime and compliance. Areas of expertise include negotiations with foreign regulatory agencies, advising boards, anti-fraud policies and criminal defence. Co-head of team Kathleen Harris is experienced in representing board-level executives seeking criminal law and regulatory advice. Sean Curran, who also co-heads the team, is adept at handling investigations by the SFO, FCA, HMRC and FRC.


‘The breadth of knowledge in respect of white-collar crime surpasses every other firm that purports to offer a service at a corporate level’.

‘Kathleen Harris is a genuine force of nature and one of the most formidable litigators in corporate white-collar defence’.

‘Sean Curran is approachable, charismatic and someone who wears his considerable intelligence very lightly’.

‘Arnold & Porter have unique expertise in managing complex corporate crime for corporate and individuals’.

‘Kathleen Harris is fearless, measured, and acts with integrity, which means she commands the respect of the authorities who are investigating her clients’.

‘Sean Curran is an experienced and robust litigator handling some of the heaviest white collar crime instructions in the City’.

‘Kathleen Harris is the best of the best in her field’.

International arbitration Tier 4

Arnold & Porter 'has a solid legal team that is able to provide sound legal strategies in complex issues'. The practice acts in both investment treaty and international commercial arbitrations in relation to a variety of industry sectors, including energy, mining, biotechnology, construction, shipping, hospitality and banking. Dmitri EvseevDavid Reed and Patricio Grané Labat are the principal contacts, and Monty Taylor is an experienced senior associate. Jane Wessel was hired from Shepherd and Wedderburn.


The practice’s experience and intelligence are impressive‘.

Dmitri Evseev is a top professional with brilliant analytical skills, sharp thinking and vast knowledge‘.

Patricio Grané Labat has a sharp legal mind and is able to process and communicate appropriate strategies involving complex issues‘.

David Reed is thorough, very easy to work with and enormously supportive‘.

Monty Taylor is a standout senior associate who is fiercely clever and very appreciated by both clients and counsel – he is on his way up both within the firm and the arbitration world more generally‘.

Key clients

European Commission

Republic of Bulgaria

Czech Republic

Republic of Costa Rica

Kingdom of Thailand

Republic of Peru

Republic of Panama

Republic of Chile

Republic of the Philippines

Republic of Korea

The Dominican Republic

Republic of Colombia

EU and competition Tier 5

As a result of Arnold & Porter’s global recognised strength in life sciences and pharmaceuticals, the firm's London-based competition team is a desired adviser for clients seeking complex advice around the intersection of competition law, intellectual property law and regulatory matters. Practice head John Schmidt is a go-to contact for pharmaceutical-sector clients and specialises in public procurement work. In the merger control space, the group’s strength in handling demanding multi-jurisdictional work was demonstrated through its involvement in an international, US-led team advising Monsanto on its $66bn acquisition by Bayer. The arrival of Jane Wessel to the team (from Shepherd and Wedderburn) has significantly expanded the department’s contentious competition offering.

Key clients



Boston Scientific Corporation




Mitsui O.S.K. Lines



Sanofi-Aventis Groupe


Teva Pharmaceuticals

M&A: lower mid-market deals, £50m-£500m Tier 5

Arnold & Porter's London office predominantly handles corporate M&A work in the life sciences sector, one of the firm's core sectors. Within this area, the firm works for blue chip pharmaceutical companies on investments, divestments and strategic acquisitions, often in collaboration with the US offices and the firm's  highly rated life sciences regulatory teams. The London team also regularly handles M&A work in the technology sector, and is additionally developing a growing M&A practice in the sports sector.  Practice head Jeremy Willcocks is experienced across corporate M&A, private equity and equity capital markets work, and advises on share transfers, joint ventures and debt capital markets transactions.


Deep knowledge and understanding of their clients, which means they are proactive, very responsive and commercial in their approach

Good all-rounders, very versatile and able to deal with a wide range of corporate deals

Jeremy Willcocks is a fun, intelligent, hard working and very versatile lawyer

Key clients

EMK Capital LLP

Acuity Investments

Bregal Investments

Bluebird Capital

Diversis Capital

York Capital Management



Omega Healthcare Investors, Inc.

OneView Group


Williams Lea Tag



Norgine B V

Vertex Pharmaceuticals

Association of the British Pharmaceutical Industry

Commercial litigation Tier 6

Arnold & Porter has a strong track record handling multi-jurisdictional litigation and has in-depth expertise in corporate and commercial disputes that arise out of its experience in the pharmaceutical and private equity sectors. Hilton Mervis's corporate-based litigation typically involves issues arising out of joint ventures, private equity and partnership structures, while Jane Wessel has extensive experience handling competition damages litigation in the English High Court and the Competition Appeal Tribunal.  Charlotte Mallorie and Tom Fox are experienced counsels.

Key clients


Estera Trust (Jersey)



Employment: employers Tier 6

Arnold & Porter's 'hugely knowledgeable and commercial' team is 'personable, approachable and reliable' and provides 'timely, pragmatic and cost-conscious advice'; the group is also noted for its 'good cross-border capabilities'. The practice has been especially active in handling a range of employment law matters for clients in the life sciences sector. Group head Henry Clinton-Davis is regarded as an 'outstanding employment lawyer who always brings clarity to any situation.'


‘Henry Clinton-Davis is an outstanding employment lawyer; he is always on top of the issues, his advice is crisp and relevant, and he looks for solutions’.

‘A hugely knowledgeable and commercial employment law team. The actually give practical guidance, rather than just laying out options, and consider commercial needs of the business when developing strategies for clients.’

‘Arnold & Porter offer pragmatic, timely and cost conscious advice. Overall the partners and associates are easy to work with and have a good working knowledge of the industry.’

‘This group is extremely knowledgeable on employment laws in the EU, especially in the UK. The team is always well prepared and makes itself available at any time of day. In addition, they are quick with their responses and try to look for solutions to issues and are very business friendly.’

‘Thorough subject matter understanding complemented with client knowledge. Always personable, approachable and reliable and fair in their fee assignments.’

‘Very responsive and capable team – partners do much of the work rather than pushing it down. Good cross-border capabilities.’

‘Henry Clinton-Davis is by far the best employment lawyer I have ever worked with. Non-patronising, highly experienced and very practical in his application of employment law within a commercial environment. I have been working with him for over 20 years and he has never give us a bad steer.’

‘Henry Clinton-Davis is simply wonderful. He has a style which is very appropriate and yet commanding. We had an experience with a very difficult executive and Henry was able to win him over. Also, Henry is always on top of issues, his advice is crisp and relevant and, again, he looks for solutions. Henry also has a great command of employment law and GDPR.’

‘Henry Clinton-Davis is an outstanding employment lawyer who always brings clarity to any situation and provides legal advice with pragmatism and with an understanding of our business, specifically how that advice could be applied.’

‘Henry Clinton-Davis is phenomenal. We are based in the US and Henry is constantly available even with the time difference. I’ve had to ask Henry questions repeatedly and he is very kind and patient with his responses. I truly enjoy working with Henry and tremendously value the partnership we’ve developed with him.’

‘Henry Cinton-Davis brings leading edge knowledge and a pragmatic approach to real world problems.’

‘Henry Clinton-Davis is very accessible and provides sound employment law advice which takes into account the commercial realities of running a business. In my experience, any case that Henry has handled on our behalf has been approached with thoughtfulness and pragmatism – which has invariably helped to deliver the required outcome. I have also been impressed by the speed with which Henry has understood our business and culture and adapted his advice accordingly. This has made building a meaningful and trusted partnership with him a very smooth process.’

Key clients

Carestream Health

Telus Corporation


Roche Diagnostics

Roche Diabetes Care



Monsoon Accessorize

Venture capital Tier 6

Forming a part of its wider corporate and private equity offering in London, Arnold & Porter's venture capital team regularly advises investors on  late-stage financings and exits. Jeremy Willcocks is often at the forefront of the most significant mandates handled by the team; he is particularly accomplished at handling life sciences-related matters, where he is able to tap into the expertise of a significant pool of IP experts.

Key clients

EMK Capital

Acuity Investments

Bregal Investments

Bluebird Capital

Diversis Capital

York Capital Management



Omega Healthcare Investors

OneView Group


Williams Lea Tag



Norgine B V

Vertex Pharmaceuticals

Association of the British Pharmaceutical Industry


Arnold & Porter Kaye Scholer LLP is a leading international law firm with 13 offices including London, Brussels, Denver, Houston, Los Angeles, New York, San Francisco, Silicon Valley and Washington, DC.

The firm: Arnold & Porter Kaye Scholer LLP formed on 1 January 2017, the result of two well-established firms – Arnold & Porter (1946) and Kaye Scholer (1917). The London office, established in 1997, is home to the firm’s European regulatory and corporate and finance practices, and includes specialists in life sciences, intellectual property, telecoms, product liability, commercial litigation and arbitration, competition, white-collar crime, and employment. The office’s clients include large, multinational companies; start-up businesses; banking institutions and financial services companies and individuals.

Types of work undertaken: Bankruptcy and restructuring: focuses on cross-border restructurings, assisting creditors and distressed investors on investment in, and restructuring of, debt and equity. Commercial dispute resolution: Deep experience in handling large-scale international commercial litigation including shareholder, joint venture, partnership disputes, banking litigation, complex civil fraud cases, competition High Court related cases, corporate reputation and regulatory investigations.

Competition: advises on both EU and UK competition law issues. It represents clients from a broad range of industries before the UK Office of Fair Trading and the Competition Commission in relation to competition concerns, including merger control and allegations of abuse of dominant position or and-competitive practices.

Corporate: advises on domestic and cross-border M&A, joint ventures, strategic alliances, public takeovers, shareholder disputes, venture capital and mid-market private equity transactions where the firm have considerable experience.

Employment: covers all areas of employment and business immigration. It also handles the employment aspects of mergers and outsourcing as well as TUPE.

Finance: advises leading investment banks, private equity funds and other financial institutions in relation to general banking, syndicated and leveraged finance and structured finance transactions such as structured credits and derivatives. Leading debt capital markets capability in relation to representing sovereign bond issuers including debut and diaspora bond offerings.

Intellectual property and technology: in depth experience in many aspects of IP, including licensing, rights acquisition, brand co existence, delimitation and brand sharing agreements. It handles disputes in all forms of IP and technology, including patents, trademarks, designs and copyright.

International arbitration: handles informal and institutional dispute settlement proceedings including serving as advocates, advisors, and arbitrators in disputes between sovereign governments and private investors, assisting in disputes arising out of concession agreements and other state contracts or under the terms of bilateral investment treaties and other international agreements.

Investment management: advises on the structuring, formation, promotion, regulation and operation of closed and open-ended investment funds. Regulatory advice includes coverage of AIFMD, MiFID, FCA authorisation, financial promotion, conduct of business rules, and customer documentation involving applicable UK and EU regulations and equivalent SEC provisions.

Life sciences: one of the largest pharmaceutical and medical devices regulatory practices in the EU, dealing with all aspects of pre and post-marketing authorisations and appeals, and on issues arising from emerging technologies such as gene, cell, tissue and pharmacogenomics.

Product liability: the large team of specialist lawyers, many dual-qualified in law and medicine, is experienced in conducting the defence of unitary and group product liability proceedings relating to medicines, medical devices, foods, pesticides, and other chemical products.

Telecommunications, internet and media: advises UK, European and North American telecommunications operators, service providers and ISPs on regulatory and commercial issues. It is consulted frequently by regulatory authorities and financial institutions on regulatory issues.

White-collar defence: advises corporates on how to handle investigations in relation to potential economic crime offences with an increasing focus on matters relating to FCPA, anti-bribery and money laundering compliance, together with economic crime defence, self-reporting and negotiations with law enforcement agencies, both in the UK and US.

Other offices: Chicago, Houston, Shanghai, West Palm Beach

Department Name Email Telephone
Chairman Richard M Alexander
Co-managing partners Anne P Davis
Co-managing partners Michael D Daneker
Head of London office Ian Dodds-Smith
Antitrust Jane Wessel
Competition John Schmidt
Bankruptcy David Von Saucken
Corporate and securities Anna Buscall
Corporate and securities David Gerber
Corporate and securities Andrew Harris
Corporate and securities Sean Scanlon
Corporate and securities Jeremy Willcocks
Commercial Dispute Resolution Hilton Mervis
Technology Disputes Michael Bywell
Employment Henry Clinton-Davis
Finance Stuart Axford
Finance Colin Tan
Intellectual property and technology Beatriz San Martin
Investment management Simon Firth
International arbitration Dmitri Evseev
International arbitration Patricio Grané Labat
International arbitration David Reed
Commercial litigation Hilton Mervis
EU life sciences Ian Dodds-Smith
Product liability Ian Dodds-Smith
White-collar crime Kathleen Harris
Telecommunications, internet and media Rob Bratby
Photo Name Position Profile
Mr Sean Scanlon  photo Mr Sean Scanlon
 Jeremy Willcocks photo Jeremy Willcocks
Number of UK partners : 18
Number of other UK fee-earners : 45