John Vater KC MCIArb

Call: 1995 / Silk: 2012

"His ability to cross-examine difficult witnesses is like watching a surgeon completing brain surgery: so effective and precise."
Chambers UK Bar 2024

John has been practising as a children law specialist since 1995, and since taking Silk has become one of the leading barristers in the field. He has extensive experience and is widely respected in his specialism, appearing at all levels of court, including the Supreme Court. John takes a straightforward, plain speaking approach to his role as an adviser and an advocate. He is particularly respected for his skill as a cross examiner, and for his ability to understand, deploy and deconstruct the most complex expert evidence, whether in public or private law cases. John appears in children’s cases across the nation and is the only barrister in the country to be ranked by Chambers & Partners as a Leader at the Bar on three separate Circuits.

To instruct John or for more information…

Call: 020 7353 6961
Email: clerks@harcourtchambers.co.uk

Practice Areas

John is instructed for all parties in the most serious and complex public law cases, at first instance and on appeal. Most of his cases involve fatalities, life changing injuries, and highly complex or controversial areas of medical science. He has particular expertise in infant head injury, allegations of organised sexual abuse, factitious and/or induced illnessand cases of sudden infant death. John also has experience in related areas, such as judicial review, relevant Human Rights Act litigation, and personal injury/negligence claims. He has also appeared in a number of cases with cross-border issues, including international adoption, or where the inherent jurisdiction is engaged. John undertakes the full range of advisory work, and regularly gives papers in public children’s law to a variety of organisations and audiences. Due to the exceptionally sensitive nature of the cases in which John specialises the vast majority of his cases are not reported or in the public domain.

Notable Public Law Children cases


Re CM (A Child) [2023] EWFC 263

Fact-finding in care proceedings regarding the cause of multiple fractures to an infant.


X (A child), Re [2023] EWFC 264 (B)

Application by local authority for permission to withdraw care proceedings, following receipt of medical evidence indicating that the parents were not to blame for the child’s injuries.


A Council v H & Ors [2023] EWFC 47 (29 March 2023)

Represented First Respondent Mother. Care proceedings relating to two children, issued following death of sibling, who was found to have suffered metaphyseal fractures. Held, threshold not met.


Birmingham City Council v Mother v Ors [2023] EWHC 905

The Local Authority made an application for s31 orders in relation to 4 children. The trigger for local authority intervention was that C had made allegations that she has been sexually abused by her two brothers A (represented by John Vater KC) and B. The Local Authority also sought to prove allegations of ill treatment of C by her parents.

No findings were made against John’s client.


A Local Authority v A Mother & Ors [2022] EWFC 153 (4 November 2022)

Fact-finding hearing in care proceedings to establish cause of death of sibling.


Re T (No.2) (Care Proceedings : Fact-Finding : Genital Injuries : Supplemental judgment for publication) [2021] EWFC 101
Y (A Minor) (Brussels II Revised: Jurisdiction after Article 15 Transfer) [2021] EWFC 107
Re J (A Child: Residential assessment) [2021] EWFC B18 (09 April 2021)

An appeal by a local authority against the case management decision of District Judge.

John appears for parents across the range of domestic and international private law cases. He has particular experience in the most sensitive and intractable cases, involving (for example) allegations of alienation, or where relevant allegations of other serious abuse or misconduct are involved. He appears from people from all walks of life in these cases, including high profile individuals, and has experience of related media and privacy law. John has appeared in surrogacy cases, and also private adoptions.

Notable Private Law Children cases


L (A Child) [2016] EWCA Civ 1297, [2016] EWCA Civ 1297

Court of Appeal decision concerning the question of whether the court had jurisdiction to make a child arrangements order regulating contact in respect of a child who was to relocate to Corfu.


Re B (Child) (Relocation: Sweden) (Rev 1) [2015] EWCA Civ 286

Court of Appeal decision concerning an application to relocate a child to Sweden.


S (A Child), Re [2010] EWCA Civ 325

Court of Appeal decision concerning complex private law proceedings which considered an intractable contact dispute which lead to local authority involvement and an order for transfer of residence.

A significant proportion of John’s public and private law cases involve some international element. In addition, he has appeared (up to the Court of Appeal) in a number of Hague Convention/abduction cases, applications for international re-location of children, and international adoptions.

Notable International Family Law cases


N (Children), Re [2016] UKSC 15 (13 April 2016), [2016] 2 WLR 1103

Supreme Court decision concerning the interpretation and application of Article 15 of the Brussels ii revised regulation. John led the legal team instructed on behalf of the Family Rights Group.


U - B (A Child) [2015] EWCA Civ 60 (06 February 2015)

Court of Appeal decision concerning an application for return of a child to Spain pursuant to the 1980 Hague Convention.

John is a qualified children’s law arbitrator and is also experienced in Early Neutral Evaluation.

John is qualified to accept instructions directly from members of the public under the Direct Access Scheme in appropriate circumstances.

 

What the directories say

"He's thorough in his preparation and obviously excellent in his cross-examination. He homes in on the forensic points." "He gets on top of the papers and the issues in a case with extreme alacrity." "John Vater is excellent at cross-examination; he homes in on the forensic points." "John Vater is quite exceptional. He has got a hugely intelligent mind." "A passionate advocate."
Chambers UK Bar 2024

'John has a very acute intellect. His forensic commands of a bundle are exemplary. He has the breadth of knowledge of different personality types to disseminate the evidence and communicate with whomever he is cross-examining.'
The Legal 500 UK Bar 2024

John fearlessly presents his client’s position. He does so with skill and humour. His knowledge of the medicine underpinning experts’ opinions in head injury cases is phenomenal. His cross-examination never fails to produce a nugget to the client’s benefit.’ John is an extremely experienced advocate. He is highly skilled when it comes to cross-examination and achieves outstanding results for the clients.’
The Legal 500 UK Bar 2024

'John is the best trial advocate at the children’s Bar.'
The Legal 500 UK

“He is an outstanding advocate. His cross-examination is always exciting and perfect.”
Chambers UK Bar 2023

'John is the best trial advocate at the children’s Bar. He is a phenomenal cross-examiner, who has expertise in cases involving complex medical evidence, including brain injuries. His ability is matched by his genuine concern for his clients and he fights for them with every ounce of his ability.’
The Legal 500 UK Bar 2023

Related News

Harcourt Chambers announce their upcoming Infant Head Injuries in Child Protection Proceedings Conference 2024.

Save the Date. 21st June 2024 at the Ashmolean, Oxford.

We would like to announce our upcoming Infant Head Injuries in Child Protection Proceedings Conference 2024.

Join us for crucial…

John Vater KC and Hannah Mettam in Re CM (A Child) [2023] EWFC 263

John Vater KC, leading Charlene Henderson of 7 Bedford Row, was instructed by Kundert Solicitors to represent the Second Respondent Father and Hannah Mettam, leading Andrew Duncan of 3 Paper Buildings, was…

John Vater KC, Aidan Vine KC and Hannah Mettam in X (A child), Re [2023] EWFC 264 (B)

John Vater KC led Hannah Mettam, instructed by Jackson West, represented the Second Respondent and Aidan Vine KC led Chris Watson of St Philips Chambers, instructed by Penmans, represented the…

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