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Alex Rook

Alex Rook


Alex is a fantastic solicitor who always goes above and beyond in the interests of his clients. His advice is sound and he is diligent, creative and bold. – Chambers and Partners 2024

His professionalism, dedication, and above all his genuine caring, is no doubt the key to his success. – Chambers and Partners 2024

Alex has a high level of knowledge of the law and an absolute focus on client care. – Chambers and Partners 2024


Alex’s work has always focused on achieving social justice. He acts for individuals, charities and companies in the full range of judicial review cases, with particular specialisms in health and social care, procurement, mental capacity and human rights law.

Judicial Review

Alex has successfully won judicial review cases at every level within the British court system, including winning the first Supreme Court case in relation to the law on consultation (Moseley v London Borough of Haringey [2014] UKSC 56).

He has been instructed to intervene on behalf of national charities (Age UK, SENSE, RNIB, Guide Dogs for the Blind and the National Children’s Bureau) in three separate Supreme Court cases in recent years.

Over the last few years he has been instructed by non-profit organisation Good Law Project in a number of high profile cases challenging the lawfulness of Government decisions during the Covid-19 Pandemic.

Case highlights include:


Court of Protection and Mental Capacity

Alex is also well known for the welfare work he undertakes in the Court of Protection, acting for the Official Solicitor as well as for families and advocates.

Alex was one of only two private practice solicitors invited to give evidence to the House of Lords Select Committee when it reviewed the Mental Capacity Act in 2014, and is an Accredited Legal Representative under the Law Society’s Mental Capacity (Welfare) Scheme.

Alex has acted in many reported cases; a few highlights include:

  • London Borough of Ealing v KS & Ors [2008] EWHC 636 (Fam) – one of a number of cases Alex has been instructed on in relation to capacity to litigate; marry; consent to the carrying out a required medical treatment; consent to sexual relations; and consider the issue of contraception.
  • Re F [2009] EWHC B30 (Fam) – regarding the test for the engagement of the court of protection’s powers under s48 of the MCA (Interim orders and directions)
  • Re Lawson, Mottram and Hopton [2019] EWCOP 22 – a test case before the Vice-President of the Court of Protection, clarifying the law in relation to the appointment of welfare deputies (a role which allows another person, often a family member, to make welfare decisions on behalf of an adult who lacks the capacity to make those decisions themselves).

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