Clerk Details

Personal Injury

Jonathan regularly advises and acts in personal injury proceedings for both claimants and defendants. He offers expertise in relation to employer’s liability, occupier’s liability, RTAs, fatal accidents, motor insurance fraud and product liability claims. He has experience of high value PI litigation involving complex issues of liability, causation and damage.

Recent instructions include:

  • Kenyan Emergency Group Litigation (KEGL): From 2015 to 2018, Jonathan was instructed as JJ (Junior Junior) for the UK Government in a group action brought by 40,000 claimants arising from alleged mistreatment during the Kenyan Emergency in the 1950s. KEGL was one of the longest-running trials in English legal history. The litigation was successfully defended.
  • Advising in a claim involving a serious left humerus fracture sustained in an accident at work resulting in permanent restriction of shoulder movement, ongoing symptoms and future expenses.
  • Advising in a claim involving a cyclist who suffered multiple fractures to his left foot, ankle and right shoulder when he was struck by a bus.


Jonathan provides representation to bereaved families and other interested parties at inquests. He is able to provide ongoing advice and advocacy in any civil claim arising from fatalities. Jonathan has experience of inquests involving complex medical issues and the questioning of experts.

Jonathan’s experience also includes:

  • Hospital deaths
  • Road traffic deaths
  • Emergency services attendance
  • Suicides
  • Article 2 inquests

Recent inquests include:

  • Re S: Representing the family in an inquest dealing with the tragic death of a young woman in her twenties who suffered a fatal stroke secondary to acute pyogenic meningitis which was not diagnosed upon her initial attendance at hospital.
  • Re A: An inquest involving two deaths following a high-speed road traffic accident with a motorcyclist.
  • Representing the family in an inquest touching the tragic death of a man killed in the course of a motor sport event (ongoing).

Jonathan is always conscious of the sensitivity and care required when representing families who are coping with the loss of a loved one and the importance of finding answers to the crucial questions which often remain following a death.

  • Articles
    • 3PB's Personal Injury team provides legal update on Disclosure, Fraud, Fundamental Dishonesty and Contempt Proceedings

      3PB's Personal Injury team provides legal update on Disclosure, Fraud, Fundamental Dishonesty and Contempt Proceedings

      View Article
    • Brighthouse Ltd v Tazegul [2016] QBD (Spencer J) 12/07/2016

      Following new evidence which amounted to a prima facie case of perjury and fraud concerning the independence of a witness, Spencer J ordered that a county court judgment be referred back to the trial judge to determine whether judgment should be set aside. Jonathan Gaydon reviews Brighthouse Ltd v Tazegul [2016]

      View Article
View Full CV

Academic qualifications

  • LLB, King’s College London (First Class Honours)
  • MSc, New College, University of Oxford
  • BPTC, The City Law School


  • Law School Prize in Jurisprudence and Legal Theory (2010)
  • King’s myScholarship for excellence and contribution (2010)
  • Winner, Inter-Inns of Court Debating Competition (2013)
  • President of Debating at the Honourable Society of the Inner Temple (2013)
  • President of King's College Debating Society (2009)

Professional bodies

  • Personal Injuries Bar Association