Nicola Dagg

Ranked in 2 Practice Areas

Band 1

Intellectual Property: Patent Litigation

London (Firms)

19 Years Ranked

Band 1

Life Sciences: IP/Patent Litigation

UK-wide

16 Years Ranked

Ranked in Guides

Global 2025

About

Provided by Nicola Dagg

Practice Areas

Nicola Dagg is a partner in the IP litigation team in the London office. Nicola’s practice spans four areas: (1) strategic life sciences patent and product lifecycle advice; (2) patent litigation; (3) co-ordinating global IP enforcement/defence cases; and (4) standard essential patent (SEP) and FRAND disputes. Nicola has tried over 20 cases.

Nicola has extensive experience in pharmaceutical and biologics patent litigation including blockbuster small molecule litigation against generic companies, biologics and biosimilar litigation, antibodies, immunotherapies, genetics, vaccines, diagnostics and gene therapies. Nicola also acts in market leading SEP essentiality, validity and global FRAND adjudication litigation in the tech sector. Having served as UK and European/global co-ordinating counsel for numerous strategic IP litigation cases and drawing on more than 24 years of legal, IP, life sciences and tech experience she helps clients solve their most pressing global challenges.

Career

2018 to present Kirkland & Ellis International LLP; 2006-2018 Allen & Overy LLP; 1996-2006 Hogan Lovells

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Life Sciences: IP/Patent Litigation - UK-wide

Band 1

Individual Editorial

Nicola Dagg is one of the most accomplished and respected patent litigators working today. She has a loyal client following among giants in the pharmaceutical industry and has successfully fought many closely watched cases.

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Intellectual Property: Patent Litigation - London (Firms)

Band 1

Individual Editorial

Nicola Dagg is a pre-eminent litigator handling some of the most complex patent cases of the day for pharmaceutical companies, including before the Supreme Court. She also comes recommended for electronic and mechanical engineering disputes.

Learn more about this team❖View ranking table

Contributions

Latest contributions provided by Nicola Dagg

Global Practice Guide

Trade Secrets 2025
UK | Law and Practice

Authored by

Nicola Dagg, Ashley Grant, Steven Baldwin, Rory Clarke

Article • Apr 2025

Global Practice Guide

Patent Litigation 2025
UK | Trends and Developments

Authored by

Nicola Dagg, Nevyn Fournel, Ray Cheng, Jin Ooi

Article • Jan 2025

Global Practice Guide

Patent Litigation 2025
UK | Law and Practice

Authored by

Nicola Dagg, Nevyn Fournel, Ray Cheng, Jin Ooi

Article • Jan 2025

All contributions provided by Nicola Dagg

Title and authors	Content type	Publication date	Media type
Life Sciences & Pharma IP Litigation 2025 \| Introduction Authored by: Nicola Dagg, Alex Magnusdottir, Daniel Lim, Jin Ooi	Global Practice Guide	Dec 2024	Article

Strengths

Provided by Chambers

Nicola is a fantastic leader, innovator and disruptor. She gets results and is a great fighter.

Life Sciences: IP/Patent Litigation respondent
Chambers Guide to the Legal Profession

Nicola is excellent; a force of nature.

Life Sciences: IP/Patent Litigation respondent
Chambers Guide to the Legal Profession

Nicola brings a wealth of experience in this field, and her strategic insights have been instrumental in our litigation matters.

Life Sciences: IP/Patent Litigation respondent
Chambers Guide to the Legal Profession

Nicola is elite in all phases. Not only is she a great litigator and strategist, she is wonderful to work with. She is always thinking of how to assist the team and the business.

Life Sciences: IP/Patent Litigation respondent
Chambers Guide to the Legal Profession

Nicola Dagg is terrific in her sense of what courts will do and her thorough knowledge of related cases.

Intellectual Property: Patent Litigation respondent
Chambers Guide to the Legal Profession

Nicola Dagg runs a very tight ship and she is very good at dealing with things from a holistic perspective; she will support you in court and boardroom. Very hands-on and very impressive.

Intellectual Property: Patent Litigation respondent
Chambers Guide to the Legal Profession

Nicola is a force of nature - brilliant at what she does, which is very big cases. She is very good tactically, always thinking of how best to position things, and really good at planning everything.

Intellectual Property: Patent Litigation respondent
Chambers Guide to the Legal Profession

She has a remarkable ability to anticipate the next moves of her adversaries early in the process, leading cases with both precision and agility.

Intellectual Property: Patent Litigation respondent
Chambers Guide to the Legal Profession

Nicola is highly regarded within the patent litigation community for her astute and innovative thinking.