Katherine Tyler

Senior Associate (Barrister)

Criminal Litigation

Katherine joined Kingsley Napley in 2013 from 9 – 12 Bell Yard Chambers where she specialised in extradition and crime. Whilst at the independent bar Katherine was described by Chambers UK 2013 as “up and coming” in the field of extradition law, as “brilliant” and “a force to be reckoned with in the appeal courts.” 

Katherine specialises in extradition and has significant experience representing and advising requested persons and foreign governments in relation to requests from both within and without the EU. She has appeared as an advocate at all levels from the Magistrates’’ Court to the Supreme Court. Katherine's detailed understanding of human rights law and national and international developments in this area mean that she is able to provide helpful and practical advice to clients.

Through her past experience of acting on behalf of the CPS, the FCA, the DWP and the Environment Agency Katherine is well placed to offer specialist and tactical advice to those facing criminal charges. Katherine brings this experience to her advice to those bringing and defending private prosecutions and regulatory matters.

Katherine has experience of public law, in particular judicial review and has acted for regulators, private organisations and professional associations.  She also has experience of conducting and advising on regulatory proceedings, particularly professional discipline matters. 

Katherine has developed a reputation in the field of business and human rights and has worked with and lectured NGOs and law firms on issues of corporate responsibility and liability for human rights abuses and environmental harm. Katherine’s written work in this area is listed below.

Publications and articles

  • Climate Change on Corporate Behaviour, The Law Society Gazette, June 2017
  • Katherine is the co-author of the chapter on UK legislation and the approach of the UK courts to the litigation of corporations for human rights violations in the American Bar Association’s book Corporate Responsibility for Human Rights Impacts: New Expectations and Paradigms.”
  • Katherine co-authored the Extradition Chapter in Blackstones Criminal Practice 2013
  • Katherine co-authors and regularly updates the Westlaw Insight articles on extradition


Professional Societies and Memberships

  • Member of the Defence Extradition Lawyers Forum
  • Member of the Administrative Law Bar Association
  • Member of the Bar Human Rights Committee
  • Member of Extradition Lawyers' Assoication


Insight from Katherine

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The Magnitsky Clause Part 1: Profiting from the suppression of whistleblowers – what does it mean for business?

Dutch businessman sentenced to 19 years for arms trafficking and war crimes

A new criminal offence for corporates that fail to prevent human rights abuses?

Prosecuting companies for crimes against humanity

International Criminal Court asked to investigate corporate actors for crimes against humanity linked to Australia’s detention regime

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Contact Katherine

+44 (0)20 7369 3781


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