England - London • Industry focus
Kirkland & Ellis International LLP
Kirkland & Ellis International LLP houses a ‘talented and experienced’ team, which is noted for its strength in IP disputes, follow on damages cases, and M&A. Daniel Lim, ‘titan of IP litigation’ Nicola Dagg, and Emma Flett jointly lead the practice. ‘Top-class litigator’ Lim acts for a clients in disputes concerning medical devices and pharmaceutical products, often in relation to commercial launches and injunctions. Hailed by clients as ‘one of the outstanding patent litigators of current times’, Dagg regularly defends patents against challenges from generics manufacturers. Litigator Jin Ooi has broad expertise in small molecule, DNA sequencing, and transgenic animal platform issues, displaying ‘laser sharp focus’ when arbitrating trade secrets disputes in the medical devices space. Since publication, Katie Coltart has moved to Linklaters LLP.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Nicola Dagg is one of the outstanding patent litigators of current times, combining strategic insight with very robust and detailed litigation skills. Firm but very fair and keen to get to a sensible solution, she is trusted by many of the largest undertakings in the area. She also leads her teams in an energetic way - very much from the front.'
- 'Jin Ooi is extremely impressive and has a laser sharp focus when its comes to patent litigation. All over the detail and an expert on strategy. Jin stands out in every aspect when it comes to patent related matters. He is experienced, with great judgement and deep understanding of the legal and commercial matters of each case. One of the most brilliant lawyers we have ever worked with.'
- 'Talented and experienced lawyers with good judgement and creative problem solving. Their strategic approach and deep understanding of legal and commercial matters involved deliver a high quality of work that meet client’s expectations.'
- 'Daniel Lim has the rare skill of being able to be fully across both the minute detail as well as the big picture strategy of the case. He has all the qualities of a top-class litigator. I would also like to highlight that each team member is highly responsive, competent and talented which reflects a strong team culture and is a joy to work with.'
- 'Nicola Dagg is a force of nature, not simply a rainmaker, but a typhoon maker who always goes the extra mile. She is a titan of IP litigation and rightly so.'
- 'Kirkland & Ellis have an excellent life sciences and healthcare practice. They excel at combining deep scientific and technical knowledge with tremendous cross-border dispute resolution skill and expertise to secure optimal outcomes.'
- 'Nicola Dagg is an exceptional litigator. When handling a patent case, she will leave no stone unturned to bring a claim to its full potential.'
- 'Steven Baldwin is relentless in pursuit of his clients' interests.'
Key clients
- Pfizer
- Astellas
- British American Tobacco
- Alcon
- Viatris
- Abbott Laboratories
- Meril Life Sciences
- Siemens Healthineers
- Advanced Bionics
- Pharmathen
Work highlights
- Representing Astellas and Pfizer in relation to the protection of prostate cancer treatment Xtandi.
- Representing Warner-Lambert, Pfizer, and Viatris against the NHS in relation to a follow-on damages inquiry before the Patents Court, raising novel issues of foreseeability, causation and mitigation.
- Representing Alcon in global patent infringement litigation against Johnson & Johnson concerning surgical laser systems for cataract surgery.
Lawyers
Leading individuals
Next Generation Partners
Kirkland & Ellis LLP
Jin Ooi is an intellectual property litigator in the London office of Kirkland & Ellis International LLP. He is experienced in patent litigation and counselling (including on complex damages inquiries) mainly in the pharmaceutical and life sciences field (second medical use, biosimilars, small molecules, DNA sequencing, vaccines, transgenic animal platforms for antibody discovery), and in the consumer products sector (shaving razors, potentially reduced-risk products including tobacco heating and vapour products, dishwashing tablets, coffee pods and capsules). He is also experienced in litigating and arbitrating trade secrets disputes in the medical devices (bone cements), tech (LNG carriers) and aviation sector (airplane components, airport businesses), in addition to handling antitrust claims (cathode ray tubes, lithium ion batteries, forklift gas).
Practice head
The lawyer(s) leading their teams.
Daniel Lim, Nicola Dagg, Emma Flett