John Gray > Chambers of Paul Brant > Liverpool, England > Lawyer Profile

Chambers of Paul Brant
Oriel Chambers
L2 8TD

Work Department

  • Civil;
  • Personal Injury
  • Clincial Negligence;
  • Medical Law;
  • Professional Negligence;
  • Regulatory;
  • Mediation.


John Gray is a barrister who is fascinated by and has a long professional history in cases involving the interface between law and medicine.

He predominantly undertakes cases involving serious injuries and clinical(medical) negligence. However he also undertakes cases of professional negligence (mainly solicitors and surveyors).

John sits as a Recorder and a Fee-paid Judge of the First-tier Tribunal (Mental Health).

Personal injury work:
John has more than 15 years experience in undertaking personal injury cases. The cases he has been involved in have become more complex involving arguments over liability, causation of the injury/symptoms and/or the valuation (quantum) of the claim. Veteran in dealing with allegations of fraud. Experience of ancillary litigation – CICA, credit hire, inquests & costs. Currently instructed in a number of cases where the value is at or above £1million.

Medical Law:
John has broad experience in medical law beginning with his MA. He began a part time PhD in Bioethics and Medical Jurisprudence but was unable to complete it due to his growing barrister practice. He 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. He has also defended before the Medical Practitioners Tribunal Service. He has lectured extensively including previously co-writing & presenting a 1 week lecture series to government lawyers in Kuala Lumpur.

Professional negligence:
John is regularly instructed in matters of professional negligence especially those involving solicitors and surveyors. He has successfully acted for a number of claimants where their previous solicitors mismanaged the litigation He is currently representing 100+ householders in the ‘leasehold scandal’ litigation where numerous conveyancing solicitors failed to properly advise purchasers of new build homes as to the onerous terms of their leases. Many of his cases have involved complex issues of causation and limitation.

Accredited mediator having trained with Academy of Experts & UCLAN.


Called 2001.

2003-Present: Oriel Chambers, Barrister in self employed independent practice within Chambers.

2020 – Present: Recorder (fee paid judge), Family Court

2019 – Present: First Tier Tribunal Judge (fee paid judge), Mental Health  Tribunal

2010 – 2019: Co-founder and Joint Managing Direct, Gray Law Ltd (also trading as Liver Law). 

2002 – 2003: Legal Executive Officer, HM Customs & Excise 

2001-2002: Various legal roles in Sydney, Australia.


  • Bar In Community
  • Merseyside Medico-Legal Society
  • Personal Injury Bar Association
  • Pro Bono Group
  • Professional Negligence Bar Association
  • Northern Circuit


  • University of Liverpool (LLB Hons);
  • Manchester Metropolitan (PgDip Legal Practice);
  • University of Manchester (MA healthcare ethics and law, dissertation ‘Defensive Medicine – A Professional Misunderstanding?’).


Voluntary work:

Lay Member of the University’s Research Ethics Committee
University of Liverpool
Dates volunteered May 2018 – Present
The Committee is responsible for receiving details and considering the ethical aspects of University research projects involving human participants, their tissues or their personal information. Member of the Committee incolved in the ethical review of project proposals, as well as contributing to the broader development of the research ethics policy at the University.

Student Mentor
University of Liverpool
Dates volunteered September 2007 – Present
Volunteer mentor since the inception of the Professional Mentoring Scheme at Liverpool Law School in 2007. The Scheme is part of the Law School’s ongoing employability commitment, aiming to assist students to develop the skills, knowledge and personal attributes that will help them secure and be successful in their future careers. Each year mentor 1-2 students per year to giving advice and information on what the job of a barrister (or a solicitor) involves to provide insight into professional life and the work environment in the real world. Provide practical one-on-one advice on CV, interview techniques and advice on applying for legal or other jobs, including discussing how the student can improve their employability.

Lawyer Rankings

Regional Bar > Northern Circuit > Personal injury

(Leading Juniors)Ranked: Tier 3

John GrayOriel Chambers  ‘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.’