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Katarina Sydow

Katarina Sydow

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Katarina Sydow specialises in public law, clinical negligence and personal injury. She is described in Chambers & Partners as “…a gifted advocate who has an incisive mind and an ability to distil a case into simple points”. She regularly undertakes work well beyond her level of call.

Katarina acts on behalf of a diverse range of clients including individuals, government departments, NHS Trusts, local authorities and the Official Solicitor in the Court of Protection. She is a member of the Attorney General’s C Panel of Junior Counsel to the Crown and the Equality and Human Rights Commission’s C Panel of Counsel.

Katarina has a first-class degree in Modern History from Oxford University, completed her Graduate Diploma in Law (GDL) with distinction and achieved an outstanding grade in the Bar Professional Training Course.

Public Law

Katarina’s practice involves challenging and defending public law decisions in a wide variety of areas including mental health and incapacity, healthcare and social welfare, professional regulation, education and financial services.

In the field of healthcare, Katarina appeared in the Supreme Court as junior counsel on behalf of the intervener in the assisted suicide appeals of R (Nicklinson & Lamb) v Ministry of Justice and R (AM) v Director of Public Prosecutions [2014] UKSC 38.

Katarina has acted in judicial review proceedings relating to the provision of accommodation and support to adults and children under the Care Act 2014 and Children Act 1989.  She regularly advises on community care issues in the Court of Protection. Katarina acts for a range of professionals in proceedings before regulatory bodies, including the Nursing and Midwifery Council and the National College for Teaching and Leadership. She recently succeeded in a statutory appeal against a decision by the NMC that a nurse’s fitness to practise was impaired (Warren v NMC [2017] EWHC 793 (Admin)). Katarina also has experience of public international law. She represented the DPP (led by Paul Rogers) before the Administrative Court and the Court of Appeal in proceedings which considered whether a member of a special mission visiting the UK was immune from arrest and criminal prosecution for alleged offences of torture committed in Egypt (R (ota Freedom and Justice Party) v (1) Secretary of State for Foreign and Commonwealth Affairs (2) The Director of Public Prosecutions [2016] EWHC 2010 (Admin); [2018] EWCA Civ 1719).

Katarina has experience of immigration law and has acted on behalf of the government in applications for permission for judicial review in the Upper Tribunal.

Between 2014 and 2015 Katarina was seconded to the Financial Conduct Authority for eight months, where she specialised in EU and public law in the context of financial services.

Appointments & Memberships

  • Attorney General’s C Panel (2017-2022)
  • Equality and Human Rights Commission’s C Panel of Counsel (2019-2023)
  • Association of Personal Injury Lawyers
  • Personal Injuries Bar Association
  • Administrative Law Bar Association
  • Human Rights Lawyers Association
  • Court of Protection Bar Association
  • Court of Protection Practitioners Association
  • Education Law Association


  • Queen Mother Scholarships (Middle Temple, 2010, 2011)
  • Undergraduate Scholarships (Wadham College, Oxford University, 2005, 2006, 2007)
  • Cheney Prize for the Arts and Social Sciences (Wadham College, Oxford University, 2005)

Katarina Sydow is regulated by the Bar Standards Board (BSB) and holds a current practising certificate. If you are not satisfied with the service provided, please click here.

Areas of Law


“She is very thorough and goes above and beyond for her clients.” Court of Protection, Chambers & Partners 2021

“You know when instructing her that she will go the extra mile. She has great attention to detail and holds her own in court.” Court of Protection, Chambers & Partners 2021

“Has an astonishing ability to assimilate vast quantities of information in very little time and reduce it to a written advice or position statement for the court that wonderfully captures all the key elements of a case.” Court of Protection, Legal 500 2021

“Thinks outside the box when presented with a challenge and is an extremely thorough and reassuring presence on any case.” Clinical Negligence, Legal 500 2021

“A thorough, hard-working and unflappable barrister. She fights her client’s corner and is very impressive.” Court of Protection, Chambers & Partners 2020

“A really good advocate who is great in negotiations.” Court of Protection, Chambers & Partners 2020

“She provides accurate and clear advice and always makes meticulous preparations for hearings. She is a very competent advocate and a very safe pair of hands.” Court of Protection, Chambers & Partners 2019

“She is a gifted advocate who has an incisive mind and an ability to distil a case into simple points. She is very persuasive on her feet.” Court of Protection, Chambers & Partners 2019


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