Practice Profile

Jonathan is a family law specialist.


Called in 1997, he is recommended by the Legal 500.





Jonathan has substantial experience in family law, specialising in public law Children Act 1989 and financial remedy cases.


In public children law, he is regularly instructed by a number of local authorities, and on behalf of Respondent parents and Children's Guardians. His work in this field includes:


  • numerous factual hearings relating to physical and sexual abuse;
  • Human Rights Act injunction applications in the High Court against wrongful removal of children;
  • Declaratory and injunctive relief under the inherent jurisdiction in relation to vulnerable adults;
  • Judicial Review proceedings in respect of leaving care provisions.


His private children law work includes residence and contact order applications; Hague Convention; non-Hague Convention; and Brussels IIR work.


Jonathan advises and acts in privately funded financial remedy and cohabitation disputes at all stages of proceedings.



"An incredibly experienced barrister, who always commands the attention of those around him." "He is resourceful and utterly determined." – Chambers UK Bar 2020 London


"His brain has the great ability to turn over and digest information, and he's got a really good understanding of public law and related areas." "He's a superb advocate - his cross-examination skills are second to none."  - Chambers UK Bar 2020 South Eastern


Called to the Bar in 1997, he has extensive family law experience under his belt. Sampson handles a wide range of cases including both public and private law children matters and financial disputes. His public law practice sees him handling matters related to child death and complex medical issues. – Chambers UK Bar 2019 London


"He's excellent, and his advocacy is very intelligent, perceptive and subtle." – Chambers UK Bar 2019 London


Maintains a vibrant public and private family law practice encompassing high net worth finance cases, involving significant trust and business assets, as well as cases relating to children and vulnerable adults. His work often has an international element. He undertakes a significant amount of appellate advocacy and has appeared in the Court of Appeal on numerous occasions. – Chambers UK Bar 2019 South Eastern


 "A superb advocate who operates like a Rolls-Royce. He has an encyclopaedic knowledge of law and procedure." "A good strategist who is always a couple of stances ahead." – Chambers UK Bar 2019 South Eastern


"A great advocate" The Legal 500 2019 London


"A safe pair of hands with a reassuring manner with clients"  The Legal 500 2019 London


"Has an admirable intellectual grasp of complex issues." The Legal 500 2018 London


"A barrister with an impressive intellect and elegant style" The Legal 500 2018 South Eastern




  • Re: GC (A Child) (withdrawal of care proceedings) [2020] EWCA Civ 848

  • Re S [2020] EWHC 217 (Fam).
  • Re M (Children No. 2) [2015] EWHC 2933

  • Re N (Interim Care Order: Interim Removal) [2015] EWFC 40

  • Re W-P (fact-finding hearing) [2009] EWCA Civ 216 [2009] 2 FLR 200

  • Re P (Adoption: Leave Provisions) [2007] EWCA Civ 616, [2007] 2 FLR 1069
  • Re H (Termination of Contact) [2005] EWCA Civ 318, [2005] 2 FLR 408
  • Re T (Abuse: Standard of Proof) [2004] EWCA Civ 558, [2004]  2 FLR 838
  • B County Council v L & Ors [2002] EWHC 2327 (Fam) (Lawtel)





Family Law Bar Association.

Association of Lawyers for Children.




The Legal 500 - The Clients Guide to Law Firms


2 Harcourt Buildings
Dx 373 LDE
Tel 0207 353 6961


Churchill House
3 St Aldate's Courtyard,
38 St Aldate's, Oxford
Dx 96453 Oxford 4
Tel 01865 791559


0207 353 6961


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