- Profile
Profile
Position
Catherine has a broad practice with particular focus on extradition and public law.
Extradition
Catherine is highly sought after and regularly appears in serious and high-profile cases. She is regularly instructed both for requested persons and foreign governments from first instance to the Divisional Court in both in Part 1 and Part 2 requests. Catherine has received Part 2 instructions in extradition requests from the United States of America, Albania, Russia, Australia, Canada, India, the United Arab Emirates, Turkey and Singapore.
Those cases involve arguments of significant complexity. Catherine has been instructed in cases covering the full spectrum of issues that may arise in extradition proceedings including Human Rights, bars to extradition and technical arguments regarding dual criminality and sufficiency of particularisation.
Catherine advises on the use of Interpol Red Notices and in cases at the pre-arrest stage.
Catherine is ranked in both the Legal 500 and Chambers & Partners as a leading junior in extradition.
Administrative and Public Law
Catherine is appointed to the Attorney General’s Civil Panel of Counsel for Civil Litigation (B Panel).
Catherine undertakes a broad range of work on behalf of Government agencies in applications for judicial review, national security work, inquests and civil claims.
Catherine is currently instructed as junior Counsel for the Home Office in the Undercover Policing Inquiry.
Regulatory
Catherine has represented professionals in proceedings before their professional bodies, such as the Nursing and Midwifery Council and The Health and Care Professional Council, and in inquests.
Criminal Litigation
Catherine is an experienced trial advocate who has prosecuted and defended in the Crown Court and magistrates’ courts in cases involving a wide spectrum of offences. She has been instructed in confiscation and asset forfeiture proceedings at all stages from restraint to enforcement.
Catherine has received instructions in Local Authority Health and Safety prosecutions and in prosecutions brought by the Department for Work and Pensions.
Before undertaking pupillage, Catherine volunteered as a panel member at Wandsworth Youth Offending Team where she implemented and reviewed youth referral orders. Since she began practice, she has gained considerable experience in dealing with young people within the criminal justice system.
Career
- CPS Specialist Extradition Panel (Level 4)
- Attorney General’s B Panel of Counsel to the Crown (2021)
- Attorney General’s C Panel of Counsel to the Crown (2016 to 2021)
Memberships
- Extradition Lawyers Association.
- Defence Extradition Lawyers Forum (committee member).
- Criminal Bar Association.
- South Eastern Circuit (Assistant Treasurer), Surrey & South London Bar Mess (committee member).
- CPS Specialist Extradition Panel (Level 4).
- Attorney General’s C Panel.
Content supplied by 6KBW College Hill
Testimonials
Collated independently by Legal 500 research team.
- 'The clerks are the best in London. They are always approachable and highly professional and efficient. Richard Summerscales and Mark Essex are hugely experienced and a real pleasure to work with.'
- 'The clerks are excellent, efficient, courteous and friendly.'
- '6KBW College Hill has a number of extradition practitioners and the set enjoys a stellar reputation.'
- 'They are one of the very best criminal defence sets in London. The quality of the barristers shines though at every level of seniority. They are hugely respected.'
- '6KBW is one of the leading sets for extradition, with many members specialising in this area. All barristers in the field are consistently excellent and all are a joy to work with or against.'

