Katherine Couper

BarristerCall 2012

Katherine is a specialist family barrister who maintains a diverse practice spanning children and finance work. She is qualified to accept instructions under the Direct Public Access Scheme.

Private Law

Katherine’s practice encompasses a wide range of child arrangement disputes, internal and external relocation, Family Law Act applications (including forced marriage), specific issue conflicts, and FGM protection orders. She has had several high profile successes in securing change of residence for children who have been the subjects of parental alienation.

Katherine has particular expertise in applications under the Hague Convention concerning international child abduction. Before coming to the Bar, she worked in the child abduction team of a pre-eminent London solicitors’ firm.

Matrimonial Finance

Katherine appears and advises in cases involving a wide-range of issues, including Schedule 1 provision and disputes between cohabitees relating to Trusts of Land. She is praised for her straightforward and pragmatic advice.

Katherine is often instructed to advise on non-litigious matters, including the drafting of pre and post-nuptial agreements.

Public Law Children Disputes

Katherine has broad experience acting for local authorities, parents and children, including in the areas of non-accidental injury, substance misuse, domestic violence, and international placements. She has particular experience dealing with disputes involving international jurisdictional issues.

  • Instructed as disclosure counsel to the Attorney General of the States of Jersey during the Independent Jersey Care Inquiry (http://www.jerseycareinquiry.org);
  • Re AB (a child) (special guardianship order) [2016] All ER (D) 91  – obtained a special guardianship order for paternal grandparents, despite a local authority care plan of placement for adoption;
  • C-B v C-B [2019] – secured a finding that a litigation compromise had been reached in pre-proceeding negotiations pertaining to marital finances and obtained an order for enforcement of that compromise;
  • VN v VN [2019] – secured findings of parental alienation within a complex fact-finding exercise, which led to an order for change of residence for the subject children;
  • M v M [2018] – Obtained an urgent prohibited steps order to prevent the circumcision of a 4-year-old, in circumstances where there was a parental dispute about his religious upbringing.

University of Manchester (Ba Hons, PPE)

BPP Law School (BPTC and GDL, distinction)

Sir Joseph Cantley Scholar (Middle Temple)

Cohen Scholarship (BPP Law School)

Family Law Bar Association

Middle Temple



Data Controller

I am registered with the Information Commissioner’s Office (ICO) as a Data Controller for the personal data that I hold and process as a barrister. My registered address is New Court Chambers, Temple, London EC4Y 9BE and my registration number is ZA110235.


Data Collection

All of the information that I hold about you is provided to or gathered by us in the course of your case and/or proceedings. Your solicitor and I will tell you why we need the information and how we will use it.


Lawful Basis for processing your information

The General Data Protection Regulation (GDPR) requires all organisations / individuals that process personal data to have a Lawful Basis for doing so. The Lawful Bases identified in the GDPR are:

·      Consent of the data subject
·      Performance of a contract with the data subject or to take steps to enter into a contract
·      Compliance with a legal obligation
·      To protect the vital interests of a data subject or another person
·      Performance of a task carried out in the public interest or in the exercise of official authority vested in the controller.
·      The legitimate interests of ourselves, or a third party, except where such interests are overridden by the interests, rights or freedoms of the data subject.


Examples of legitimate interests include:

  • Where the data subject is a client or in the service of the controller;
  • Transmission within a group of undertakings for internal administrative purposes;
  • Processing necessary to ensure network and information security, including preventing unauthorised access;
  • Processing for direct marketing purposes, or to prevent fraud; and
  • Reporting possible criminal acts or threats to public security.


My Lawful Basis is:

·      Your consent
·      To protect the vital interests of a data subject or another person
·      Compliance with a legal obligation


My Legitimate Interest is:

·      You are a client
·      The processing is necessary for administering justice
·      The processing is necessary in relation to legal proceedings, for obtaining legal advice, or otherwise for establishing, exercising or defending legal rights

I use your information to:

  • Provide legal advice and representation
  • Communicate with you about services, updates and events


I do not use automated decision-making in the processing of your personal data.


I collect and process both personal data and special categories of personal data as defined in the GDPR. This includes:


Client data

  • Name;
  • Email;
  • Phone number;
  • Address;
  • Date of birth;
  • Location details;
  • Medical history and current medical health;
  • Criminal convictions;
  • Social work involvement;
  • Ethnic origin;
  • Religious background.


I may share your personal data with:

  • Instructing solicitors;
  • Pupil or mini pupil, under my training;
  • Opposing Counsel, for the purposes of resolving the case;
  • My Chambers management and staff who provide administrative services;
  • My regulator or legal advisors in the event of a dispute or other legal matter;
  • Law enforcement officials, government authorities, or other third parties to meet our legal obligations;
  • Any other party where I ask you and you consent to the sharing.


Transfers to third countries and international organisations

I store my case files on Microsoft Onedrive which is a cloud hosted environment based in the US.

Microsoft Onedrive relies upon a variety of legal mechanisms for its international transfer of personal data from the EU to the United States. Microsoft Onedrive is certified under the EU-US and Swiss US Privacy Shield Programs regarding the collection, use and retention of personal data and its transfer from the EU and Switzerland to the United States.

In addition to the Privacy Shield, Microsoft Onedrive also provides strong contractual guarantees around the privacy of its services and relies on the EU Model Contract Clauses to cover its international transfers of data.

I am satisfied that such transferred data is fully protected and safeguarded as required by the General Data Protection Regulation.


Retention of data

I retain your personal data while you remain a client unless you ask me to delete it.


My Retention and Disposal Policy (copy available on request) details how long I hold data for and how I dispose of it when it no longer needs to be held. I will delete or anonymise your information at your request unless:

  • There is an unresolved issue, such as claim or dispute;
  • I am legally required to; or
  • There are overriding legitimate business interests, including but not limited to, fraud prevention, the need to retain certain documents for the duration of the limitation period for any professional negligence claim, and protecting customers’ safety and security.


Your Rights

The General Data Protection Regulation gives you specific rights around your personal data. For example, you have to be informed about the information I hold and what I use it for, you can ask for a copy of the personal information I hold about you (however, I do not have to grant subject access in respect of personal data if a regulatory exemption applies), you can ask me to correct any inaccuracies with the personal data I hold, you can ask me to stop sending you direct mail, or emails, or in some circumstances ask me to stop processing your details. Finally, if I do something irregular or improper with your personal data you can seek compensation for any distress you are caused or loss you have incurred. You can find out more information from the ICO’s website http://ico.org.uk/for_the_public/personal_information and this is the organisation that you can complain to if you are unhappy with how I dealt with you.


Accessing and Correcting Your Information

You may request access to, correction of, or a copy of your information by contacting me at kcouper@newcourtchambers.com.


I will occasionally update my Privacy Notice. When I make significant changes, I will notify you of these by email. I will also publish the updated Notice on my website profile.




Data Protection Policy available on request.