Department profile
Kirkland & Ellis

Life Sciences: IP/Patent Litigation

UK Guide 2026 : UK-wide


Kirkland & Ellis

Rankings

About

Provided by Kirkland & Ellis

A combination of experience, technical knowledge and client service truly sets Kirkland apart in the competitive London market. We regularly advise clients on the formulation and co-ordination of life science patent litigation strategy on a global scale, and have specialist knowledge of complex biologic products and traditional small molecule litigation, as well as medical devices and diagnostics. High stakes life sciences patent litigation has always formed a substantial core of the team’s practice and this continues to be the case today.

Chambers Review

Provided by Chambers

Life Sciences: IP/Patent Litigation - UK-wide

Band 2

Band 2


What the Team is Known For

Kirkland & Ellis has a highly reputable patent litigation practice with profound expertise in life sciences. The firm has all-but-unmatched experience in disputes concerning biological products and small molecules, as well as those pertaining to medical devices. The team is also able to provide high-level branding advice concerning the UK and EU, as well as regulatory insights.

Work Highlights

Provided by Chambers

  • Kirkland successfully obtained a judgment upholding the validity of the key compound patent covering Xtandi (enzalutamide), and its use in treating prostate cancer, on behalf of Astellas and The Regents of the University of California

Strengths

Provided by Chambers

  • Kirkland & Ellis excel in multi-jurisdictional matters, particularly in regard to the European legal landscape. They are very strategic.

    Life Sciences: IP/Patent Litigation respondentUK
  • The Kirkland & Ellis team have consistently aligned their advice with our business objectives.

    Life Sciences: IP/Patent Litigation respondentUK
  • They have deep legal and technical expertise and outstanding experience in life sciences patent litigation. They provide excellent team work.

    Life Sciences: IP/Patent Litigation respondentUK
  • They are elite patent litigators who go the extra mile for the client, with exceptional advocacy and a strategic mindset.

    Life Sciences: IP/Patent Litigation respondentUK

Notable Practitioners

Provided by Chambers

  • Band 1Nicola Dagg
    Band 1Nicola Dagg

    Nicola Dagg

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

      Life Sciences: IP/Patent Litigation respondentUK
    • Nicola is excellent; a force of nature.

      Life Sciences: IP/Patent Litigation respondentUK
    • 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 respondentUK
    • 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 respondentUK
  • Band 3Daniel Lim
    Band 3Daniel Lim

    Daniel Lim

    Daniel Lim is an experienced IP litigator who garners praise for his representation of life science companies in UK patent litigation and multi-jurisdictional litigation. He also has notable experience advising on CRISPR technology.

    • Daniel is phenomenal. He has remarkable multi-jurisdictional expertise and unmatched client service.

      Life Sciences: IP/Patent Litigation respondentUK
    • Daniel brings a lot of added value to the team with his technological and scientific knowledge.

      Life Sciences: IP/Patent Litigation respondentUK
    • Daniel is very impressive, he is incredibly tenacious and has the ability to absorb enormous amounts of information.

      Life Sciences: IP/Patent Litigation respondentUK
    • Daniel Lim is exceptionally sharp and demonstrates a strong ability to quickly grasp complex technologies.

      Life Sciences: IP/Patent Litigation respondentUK

Ranked Individuals at Kirkland & Ellis (2)

UK-wide

Members

Provided by Kirkland & Ellis

Kirkland & Ellis has rankings in the following guides

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