Katherine specialises in finances arising out of divorce and private children matters. She has appeared in all levels of court in the UK.
She has a wide financial practice involving a range of issues including non matrimonial assets, applications to set aside / barder events. She has a particular expertise in applications to vary and/or discharge periodical payments.
She was junior counsel in the Supreme Court case of Mills  UKSC 38.
Her private children practice encompasses all areas with a particular expertise in cases involving leave to remove either internally or internationally and child abduction.
She was shortlisted for Family Law Junior Barrister of the year at the Family Law Awards 2017.
What the directories say
"Very knowledgeable." Diligent and personable." "She prepares thoroughly for cases and goes the extra mile." Chambers UK 2019
‘Her strength is her no-nonsense approach and impressive cross-examination skills. She is a fighter and is always totally committed to her client.’ Legal 500 2019
‘She has a forceful cross-examination style.’
Legal 500 2017/Family and children law, Leading juniors
'An expert in cases with an international element, who fiercely protects her clients interests with professionalism and congeniality.'
Legal 500 2016/Family and children law, Leading juniors
July/August 2017: with C. Lloyd-Smith: Parental Abduction within the UK (Issue 189 Resolution)
March 2017: with F. Feehan QC: Varying maintenance: Mills, March  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  Fam Law
August 2016: with J. Chegwidden: 'A clear conclusion: religious circumcision for boys' August 
July 2016: 'Babies relinquished by foreign nationals: leading guidance': July  Fam Law
Mills v Mills  EWCA Civ 129
LM and DR (Return to Non-Convention Country)  EWHC 1943 (Fam)
Re L and B (Children) (Specific Issues: Temporary Leave to remove from the jurisdiction; circumcision)  EWHC 849 (Fam)
In the matter of JL and AO (Babies relinquished for adoption)  EWHC 440 (Fam)
Guerroudj v Rymarczyk  EWCA Civ 743,  All ER (D) 152 (Jul)
With Frank Feehan QC Maintenance payments as a gateway to independence (Mills v Mills) (28.02.2017) interview with LexisNexis
With K. Taft: English court exercises jurisdiction in retrospective leave to remove case (Re: X, Y and Z) (25.10.2016) interview with LexisNexis
With R. Harrison QC: Summary return and competing jurisdictions (11.08.16) interview with LexisNexis
Court considers transfer of tenancy on separation (23.07.15) interview with LexisNexis Evidence and interim care orders (21.02.14) interview with LexisNexis
Advocate Bar Pro Bono Awards 2019
Janet Bazley QC, one of our joint Heads of Chambers, and Katherine Dunseath have been nominated for Pro Bono QC...
Chambers UK 2020
1GC Family Law is proud to announce that we are again ranked as a leading set in the 2020 edition of...