See also
  • General Information

Practice Groups


  • General Information

Areas of Expertise


Katherine Dunseath

Katherine Dunseath

Call 2008

 Download Full CV
 Download vCard

The Legal 500 - The Clients Guide to Law Firms

Katherine Dunseath is recommended by the Legal 500 Bar Directory 2016 for her expertise in the Regional Bar - South Eastern Circuit.
Family and children law – Leading juniors
Katherine Dunseath -
An expert in cases with an international element, who fiercely protects her clients interests with professionalism and congeniality.

Katherine has a thriving practice encompassing all areas of family law. She has a particular interest in medical law, human rights arguments and jurisdictional cases. She regularly appears in the High Court and has appeared in the Court of Appeal on numerous occasions. She is a fearless advocate.

Private Law Team

Katherine regularly represents and advises on complex matters involving:
(a)    Medical operations
(b)    Jurisdictional issues
(c)    Sexual abuse and domestic violence
(d)    Parental alienation
(e)    Living arrangements generally

Finance/Property Team

Katherine has expertise in the following areas:
(a)  Cohabitation disputes under TOLATA and Schedule 1 of the Children Act
(b)  Finances under the Matrimonial Causes Act
(c)  Civil partnership disputes under the Civil Partnership Act

Cases of interest

  • Mills v Mills [2017] EWCA Civ 129
  • In the matter of X, Y and Z (children) (Retrospective Leave to Remove from the Jurisdiction) [2016] EWHC 2439 (Fam)
  • LM and DR (Return to Non-Convention Country) [2016] EWHC 1943 (Fam)
  • Re AO (Care Proceedings) [2016] EWFC 36
  • Re L and B (Children) (Specific Issues: Temporary Leave to remove from the jurisdiction; circumcision) [2016] EWHC 849 (Fam)
  • In the matter of JL and AO (Babies relinquished for adoption) [2016] EWHC 440 (Fam)
  • Guerroudj v Rymarczyk [2015] EWCA Civ 743, [2015] All ER (D) 152 (Jul)
  • R (a child) [2014] All ER (D) 168 (Feb)
  • PAM & PAF (Mr and Mrs PA) v South Gloucestershire Council (LA) & Ors [2014] EWFC B202
  • Re NL (A Child) (Appeal: Interim Care Order: Facts and Reasons) [2014] EWHC 270 (Fam)
  • Jafari v Bidaki [2013] EWCA Civ 1760

A number of her cases have received national press coverage. Please click here to view.


  • March 2017: With F. Feehan QC: Varying maintenance: Mills, March [2017] Fam Law
  • November 2016: with R. Harrison QC and S. Craddock: 'Should I stay or should I go? Where the clandestine removal of a child from the jurisdiction is not unlawful: LM v DR’ November [2016] Fam Law
  • August 2016: with J. Chegwidden: 'A clear conclusion: religious circumcision for boys' August [2016] Fam Law
  • July 2016: 'Babies relinquished by foreign nationals: leading guidance': July [2016] Fam Law


These articles were first published on Lexis®PSL Family. Click for a free trial of Lexis®PSL.

Professional appointments

  • Judicial Assistant, Court of Appeal (March – July 2008)
  • Blue Book Stagiaire, European Commission (October 2007- February 2008)
See also
  • General Information

Practice Groups


  • General Information

Areas of Expertise



March 3 2017:

Katherine Dunseath and Frank Feehan QC discuss the Court of Appeal’s judgment in Mills v Mills, which highlights the financial ties afforded by joint lives maintenance payment more

February 8 2017:

3PB Family Barrister Katherine Dunseath successful in the court of appeal where the court ordered an upward variation of the ex wife’s spousal maintenance payments. more

November 1 2016:

English court exercises jurisdiction in retrospective leave to remove case (re X, Y and Z) – a Lexis Nexis interview by 3PB Family Barrister Katherine Dunseath and Ellis Jones’ Katie Taft. more

... more news

Academic Qualifications

BVC (2007) BPP London

LLM (2006) University College London

Employment law

Advanced Medical Negligence

European Community Environmental Law

International Environmental

Law GDL (2005) Brunel University

BSc Geography (Hons) First Class (2004) Brunel University


Stage Scholar, Grays Inn (2007)

Prince of Wales Scholar, Grays Inn (2006)

UKELA Moot Finalist (2006) Before Lord Slynn

Professional Bodies

  • Association of Lawyers for Children
  • Family Law Bar Association
  • Free Representation Unit