Jonathan Cook


Clinical Negligence | Commercial Law | Discrimination & Equality | Employment | Human Rights | Personal Injury | Professional Discipline | Public & Administrative Law | Sport & Entertainment


Jonathan Cook accepts instructions across chambers core practice areas.

Jonathan has experience in the Employment Tribunal, Employment Appeal Tribunal, County Court and High Court acting for both Claimants and Respondents. He has acted in complex and high value discrimination cases, particularly in the area of disability discrimination. Jonathan has recently been instructed in a sports law dispute, acting against a professional football club in the Chancery Division of the High Court, and in a number of high value whistleblowing cases.

Jonathan also has experience in personal injury and clinical negligence cases, including acting in fast track trials and assisting with catastrophic injury cases.

Jonathan commenced pupillage in October 2017 and was offered tenancy in July 2018.

Before coming to the Bar, Jonathan undertook a PhD in Politics and International Studies at the University of Cambridge, where his research focused on US politics and foreign policy during the Cold War. He combined his studies with a career as an international track and field athlete, representing England at senior international level in the 800m and finishing 6th in the 1500m at the 2016 UK Olympic Trials. Currently, he referees rugby union at National League level for the RFU.


Inns of Court Gray's Inn, David Karmel Entrance Award for the GDL (2014)

Gray's Inn, Bedingfield Scholarship for the BPTC (2016)

University of Cambridge Jesus College Foundation Scholarship (2008)

Sir James Knott Bursary (2009)

CHESS PhD Scholarship (2010)

Sir Arthur Marshall Scholarship (2013 and 2014)

Research Awards Gerald R. Ford Foundation Scholarship (2009)

Dwight D. Eisenhower Foundation Scholarship (2011)

Northumbria University Ward Hadaway Prize – best GDL performance by a distance learning student (2015)

Bond Dickinson Prize – best overall GDL performance (2016)

Northumbria Law School Ben Hoare Bell Contribution Roll (2016)

Trinity Chambers Prize – best overall BPTC performance (2017)

Zenith Chambers Prize – best BPTC performance in Opinion Writing (2017)

Northumbria Law School Dean's Award for the BPTC


Industrial Law Society

Personal Injuries Bar Association

Employment Lawyers Association


BA, History, University of Cambridge, 2008 (First Class)

MPhil, Historical Studies, University of Cambridge, 2009 (Distinction Equivalent)

PhD, Politics and International Studies, University of Cambridge 2015

GDL, Northumbria University, 2016 (Distinction)

BPTC, Northumbria University, 2017 (Outstanding)


Chapters on "Proof of Negligence" and "Human Rights" in Lewis and Buchan (eds.), Clinical Negligence: A Practical Guide (forthcoming, 2019)

"Morrisons' Liability for Rogue Employee: an Apple of Discord", PLC Magazine, December 2018


S v R - Instructed as junior counsel in a multi-million pound dispute in the High Court between a professional football club and a former senior executive. Allegations of breach of contract, breach of fiduciary duty and dispute over shareholding.

N v C - High value whistleblowing claim against a major investment bank. Significant involvement in trial preparation.

H v E - Successfully acted for the Claimaint in an Employment Tribunal liability hearing in claims for discrimination arising from disability, failure to make reasonable adjustments and unfair dismissal. Significant ongoing loss of earnings claim. Remedy hearing awaited.

Oni v Unison Trade Union [2018] ICR 1111, EAT - Contractual claims against non-employer respondents in employment tribunals (as Tom Coghlin QC's pupil).

Hewes v West Hertfordshire Hospitals NHS Trust and ors [2018] EWHC 1345 (QB), [2018] EWHC 2715 (QB) - Summary judgment in clinical negligence claims (as Martyn McLeish's pupil).