Nicola Dagg > Kirkland & Ellis International LLP > London, England > Lawyer Profile

Kirkland & Ellis International LLP
Nicola Dagg photo

Work Department

Intellectual Property Litigation


Nicola Dagg is a partner in the IP litigation team in the London office of Kirkland & Ellis International LLP. 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.


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


Newnham College, University of Cambridge (M.A. Natural Sciences 1991); University of Bristol (Diploma in Intellectual Property Law and Practice 1997)

Lawyer Rankings

London > Industry focus > Life sciences and healthcare

(Leading individuals)

Nicola DaggKirkland & Ellis International LLP

At Kirkland & Ellis International LLP, Nicola Dagg is the well-known head of the IP litigation team, while Emma Flett leads on technology and  IP transactions. The group handles critical, high-stakes patent litigation for US and European big pharma and biotech companies. Flett’s expertise covers IP and technology transactions involving product acquisitions, licensing, R&D and supply and distribution agreements. She advises corporates and private equity houses. Litigator Jin Ooi has a pharmacology background and handles cross-border IP-related cases for a wide range of pharma clients. Katie Coltart is another key team member.

London > TMT (technology, media and telecoms) > Intellectual property: patents (contentious and non-contentious)

(Hall of Fame)

Nicola DaggKirkland & Ellis International LLP

Force to be reckoned withNicola Dagg leads the rapidly expanding patent litigation practice at Kirkland & Ellis International LLP. Dagg, Daniel Lim and Katie Coltart have represented high-profile companies in the life sciences sector on market-defining patent trials before all levels of the UK courts, as well as handling parallel infringement proceedings concerning cutting-edge biotechnology innovations, and damages cases on behalf of global pharmaceuticals companies against generics companies. In the TMT space, Lim and Steven Baldwin are leading on major SEP and FRAND litigation proceedings for global telecoms corporations. Patent licensing disputes – including for the determination of royalty rates in the smartphones space – are also underway. ‘Powerhouse‘ partner Jin Ooi is another noteworthy name. The team also offers non-contentious commercial IP and collaboration advice.