Legal 500 Leading Junior: Personal Injury, Northern Circuit.
2025 - "John has an excellent, reassuring manner with clients and solicitors alike, and his advocacy skills are also fantastic. He has a really pleasant and persuasive nature but he can also be direct and robust."
2024 - "John is a champion for those wronged by the negligence of others. His advocacy is always focused on the issues with an exceptional forensic analysis as a foundation, and his mediation skills enhance his reputation too."
2023 - “John cuts through the issues and is sensible and pragmatic. He is a superb tactician and can turn even a weak case into a winner. Exceptional on his feet, he is a worthy match for any KC. When challenged at court, John is usually firm but fair which successfully leads to him often gaining the respect of any opponent and judge.”
2022 - "He has a persuasive, charismatic style in the courtroom. Judges respect him."
2021 - "John Gray is instructed in high-value litigation, including subtle brain injury cases, permanent restriction/diminution in the ability to work, industrial disease claims, and overseas accident claims." and "He is thorough, meticulous and has an eye for detail. He is a very able Barrister and his knowledge of the rules is exemplary."
Full details of John Gray's practice and cases in which he has been involved can be seen under the individual practice areas below.
Prior to joining chambers John worked in law firms in Sydney, Australia and also in the legal department of HM Customs & Excise.
In 2009, John was the co-founder of one of the first Legal Disciplinary Practices in the country (a law firm run not just by solicitors). He continued as the co-Managing Director of that practice for 10 years whilst also remaining in Chambers at the independent Bar. He is public access qualified and one of the few barristers nationally authorised to conduct litigation. He therefore has a much greater insight into how solicitors run cases than many members of the Bar.
John is a Civil Medication Council Accredited Mediator having undertaken mediator training with the Academy of Experts and University of Central Lancashire.
John also holds a number of part time judicial appointments. He sits as a Recorder in the Family Court (public and private law work), a Nominated Judge of the Court of Protection (Tier 2) and a Judge of the First Tier Tribunal (Mental Health)(Restricted Patients Panel).
John is also a member of the University of Liverpool's Research Ethics Committee and has been a student mentor at the University since 2007.
• Recorder (authorised private and public family law)
• Tribunal Judge (authorised Mental Health Tribunal including Restricted Patients Panel)
• Lay Member of University of Liverpool Research Ethics Committee
•Nominated Judge of the Court of Protection (Tier 2/Recorder)
Legal 500 Leading Junior: Personal Injury, Northern Circuit.
2025 - "John has an excellent, reassuring manner with clients and solicitors alike, and his advocacy skills are also fantastic. He has a really pleasant and persuasive nature but he can also be direct and robust."
2024 - "John is a champion for those wronged by the negligence of others. His advocacy is always focused on the issues with an exceptional forensic analysis as a foundation, and his mediation skills enhance his reputation too."
2023 - “‘John cuts through the issues and is sensible and pragmatic. He is a superb tactician and can turn even a weak case into a winner. Exceptional on his feet, he is a worthy match for any KC. When challenged at court, John is usually firm but fair which successfully leads to him often gaining the respect of any opponent and judge.’”
2022 - "He has a persuasive, charismatic style in the courtroom. Judges respect him."
2021 - "John Gray is instructed in high-value litigation, including subtle brain injury cases, permanent restriction/diminution in the ability to work, industrial disease claims, and overseas accident claims." and "He is thorough, meticulous and has an eye for detail. He is a very able Barrister and his knowledge of the rules is exemplary."
John undertakes complex and / or high value personal injury work involving arguments over liability, causation of the injury/symptoms and/or the valuation (quantum) of the claim. He is currently instructed in a number of cases where the value is at or above £1million. He is a veteran in dealing with allegations of fraud and has significant experience of ancillary litigation - CICA, credit hire, inquests & costs.
John has substantial experience of disease work from pupillage to date having undertaken work in all the main areas including, but not limited to, noise induced hearing loss, work related upper limb disorders, dermatitis, stress at work and asbestos related injury. He is skilled in handling expert medical evidence both on paper, in conference and at Court.
John has extensive experience of acting for both Claimants and Defendants and can bring this experience to bear when advising on tactics.
Example cases:
John’s broad experience in medical law beginning with his MA in Medical Law and Healthcare Ethics. He began a part time PhD in Bioethics and Medical Jurisprudence but was unable to complete it due to his growing barrister practice. He has lectured extensively including previously co-writing & presenting a 1 week lecture series on clinical negligence to government lawyers in Kuala Lumpur.
John is regularly instructed in clinical negligence cases involving surgical and pharmaceutical negligence, misdiagnosis and delayed diagnosis, inappropriate treatment and lack of consent. He also undertakes cases involving allied professions including nurse practitioners, dentists, etc.
John has defended before the Medical Practitioners Tribunal Service.
Example cases:
John is regularly instructed in matters of professional negligence especially those involving solicitors and surveyors. Many of his cases have involved complex issues of causation and limitation.
Example cases:
John’s background as the co-founder and owner of a law firm gives him a greater experience in costs and related disputes than the vast majority of barristers. He can offer specialist advice and representation in relation to a wide variety of contentious and non-contentious costs disputes. He has experience of cost budgeting, security for costs, provisional and detailed assessments, fixed costs disputes,exceptions to QOCS, solicitor own client disputes, BTE/ATE arguments, wasted or non-party costs orders and allegations of misconduct. He acts for both paying and receiving parties.
John’s heavyweight personal injury (recommended in the Legal 500 2021 and 2022), clinical negligence and professional negligence practice means he has an understanding of the underlying litigation and is an experienced trial advocate. This is useful in solicitor/own client disputes and also where cross-examination is required in matters concerning conduct, misconduct, wasted costs and non-party costs orders.
He is a Recorder and a Tribunal Judge. He is public access qualified and also litigation qualified. He is also a qualified mediator.
John first undertook mediation training with the Academy of Experts in 2007. In 2017 he undertook further training with the University of Central Lancashire and thereafter passed the required Civil Mediation Council (CMC) assessment.
John is able to draw decades of experience in dispute resolution to aid parties in coming to a resolution. He has been a barrister for over 20 years, spent 10 years as the joint Managing Director of a law firm and has sat part time as a Judge for a number of years.
John is a member of the Society of Mediators entitling him to use the postnominals MSOM. He is a member of the Society's Mediator Panel.