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Alex Rook

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I joined Irwin Mitchell’s Public Law & Human Rights department in 2006 and was made a Partner in 2013. I act for individuals, charities and companies in the full range of judicial review cases, with particular specialisms in the law on consultation, in health and social care, mental capacity and human rights law. 

In October 2014, I won the first Supreme Court case in relation to the law on consultation (Moseley), which ruled that all public authorities need to improve how they consult with local people. I was also instructed to intervene on behalf of national charities (Age UK, SENSE, RNIB and Guide Dogs for the Blind) in two of the leading Supreme Court community care cases in recent years as well as having successfully brought judicial review proceedings in a number of High Court and Court of Appeal cases. 

I have acted in numerous commercial judicial review cases, protecting the rights of companies that are affected by decisions made by public authorities.

I am also regularly instructed by the Official Solicitor as well as families and advocates to act on behalf of vulnerable adults who lack capacity to make decisions regarding their health and welfare in proceedings in the Court of Protection, and was invited to give evidence to the House of Lords Select Committee on the Mental Capacity Act 2005 to help consider the effectiveness and adequacy of the law as well as access to justice for vulnerable individuals.

Notable cases include:

  • R (on the application of Moseley (in substitution of Stirling Deceased)) (Appellant) v London Borough of Haringey (Respondent) [2014] UKSC 56
  • R (LH) v Shropshire Council (2014) EWCA Civ 404
  • Blake and others v LB Waltham Forest [2014] EWHC 1027 (Admin)
  • R (KM) (by JM) v Cambridgeshire County Council [2012] UKSC 23 
  • JM & NT v Isle of Wight Council [2011] EWHC 2911 (Admin)
  • R (on the application of McDonald ) v Royal Borough of Kensington and Chelsea [2011] UKSC 33 (6 July 2011)
  • Independent News and Media and others v A [2010] EWCA Civ 343 regarding 'good reason' for the media to attend hearings in the Court of Protection (which would otherwise be held in private)
  • London Borough of Enfield v SA v FA v KA [2010] EWHC 196 (Admin) – the COP has power under COPR 2007 r95(d) to admit hearsay evidence which originates from a person who is not competent as a witness
  • Re F [2009] EWHC B30 (Fam) regarding the test in accordance with s48 of the Mental Capacity Act 2005 regarding an adult's capacity in order to found the jurisdiction of the Court of Protection
  • KD and LD v LB Havering [2009] EW Misc 7 (EWCOP) — confirming that the court has the power to deal with cases summarily but that power is unlikely to be exercised appropriately where there is a serious or potential issue as to the appropriateness of deprivation of liberty and so where articles 5 and 6 of the ECHR are potentially engaged
  • Westminster Social and Community Services Department v IC and others [2008] EWCA Civ 198 in the Court of Appeal and London Borough of Ealing v KS and others [2008] EWHC 636 (Fam) both of which related to the incapacitated adult’s capacity to consent to sex and/or marriage and/or contraception
  • London Borough of Ealing v KS and others [2008] EWHC 636 (Fam)


"Alex Rook is excellent, and an expert in his field of public law." - Chambers & Partners, 2019

Alex is a "sharp operator" with "huge amount of expertise"; "a really strong and well-respected lawyer." "His advice was very practical" and he is "good at spotting interesting new areas and pushing the boundaries of public law in the right way". "Completely unflappable and incredibly efficient."   – Chambers & Partners, 2017

"A very classy litigator, who is strategic and understated in a way which is effective" and according to sources is "Brilliant, connected superbly and hugely respected" - Chambers & Partners 2016

"Extremely able in the fields of social care and public law."- Legal 500 2018/19

Combines a "brilliant strategic legal mind with the ability to relate to clients from all walks of life" - Legal 500 2016

"'First rate' for community care, mental capacity and human rights law" - Legal 500, 2017


  • Capacity to Marry and Marriages Abroad - Yogi Amin and Alex Rook - Solicitors Journal
  • Court of Protection for Public Lawyers - Authors: Nick Armstrong and Alex Rook -  Judicial Review, Volume 17, Number 1, March 2012 , pp. 28-35(8) Hart Publishing
  • The Wrong Key, June 2010 - As the press celebrates the Court of Protection's coming out party, Barbara Hewson and Alex Rook pondered how long its 15 minutes of fame will last.
  • Best Interests Decision Tool - Ambitious about Autism, Mencap and the Challenging Behaviour Foundation in partnership with Alex Rook at Irwin Mitchell, have produced a leaflet to help individuals who feel that they are not being appropriately consulted about the welfare of their loved ones. Download the leaflet (PDF)
  • Times lawyer of the week, 1.12.11
  • Childcare for Families with Disabled Children - An online guide on how to access free childcare for two to four-year-olds. Compiled by Irwin Mitchell alongside Steve Broach (Barrister at Monkton Chambers) for the charities Contact a Family, Every Disabled Child Matters (EDCM) and The Family and Childcare Trust.

What Inspired You To Get Into Law?

My inspiration to become a lawyer, and in particular a public law solicitor, came from the combination of the academic challenge it presents and the high level of client contact. I have not been disappointed. (In truth, I was also told from a young age that I was so argumentative that I should be a lawyer!)

What Is The Most Rewarding Aspect Of Your Role?

Working with disadvantaged people to ensure that their rights are protected.

What Do You Like About Working At Irwin Mitchell?

The quality of work in the Public Law & Human Rights department is pretty much unrivalled nationwide. Every day brings new challenges and keeps me passionate about my work and the changes we can make to people's lives through enforcing their legal rights.

What Do You Do Away From The Office?

Spend time with my wife and two children. I am a passionate Spurs fan and try to get to watch them as often as possible, and am just about managing to keep my own amateur football career going!

Read My Comments On The Latest News

  • 15/08/2019
    Campaigner Given The Go-Ahead For High Court Legal Challenge Against Thanet Stroke Unit Closure

    “Marion and fellow campaigners expressed genuine concerns that the decision to close the stroke unit at Queen Elizabeth the Queen Mother Hospital had been reached unlawfully and unfairly, without a thorough consultation considering the views of the local residents. There are a number of factors regarding this move that have worried Marion, most importantly being the implications it could have on the local community and the health of the people, especially those requiring urgent care having to travel over an hour for treatment. We have submitted to the Court on Marion’s behalf that the JCCCG’s did not lawfully consult with local people, nor did they properly understand the implications of this decision when it was taken. We welcome the High Court’s decision to hear Marion’s case and will continue to support Marion throughout the process.”

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  • 26/06/2019
    Welfare Deputyship: Parents Welcome Judgment Ruling Law Affecting Young Adults With Disabilities Needs ‘Revisiting’

    “This challenge was brought because our clients and many other parents believed that the law, which stated that they would only be appointed as deputies in ‘the most difficult cases,’ needed to be changed. “All they want is to be able to help their children have the best chance in life but felt this was not happening because of how the law was interpreted. “Our clients appreciate that the court will need to consider every application on its merits, but welcome today’s ruling. They hope that now that the Judge has clarified that the Code needs to be redrafted, making it clear that there is no presumption against them being welfare deputies, that it will become more common for family members to be appointed as welfare deputies. "Although the Judge has suggested that in the majority of cases a welfare deputy will not be needed, our experience and that of our clients is that in many cases it would indeed be in the young adult’s best interests for their family to be able to continue to make decisions in their loved one’s best interests where they are unable to make the decision themselves.”

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  • 14/05/2019
    High Court Legal Battle Launched Against Closure Of Thanet Stroke Unit

    “Our client and her supporters are extremely concerned that the decision to close the stroke unit at Queen Elizabeth the Queen Mother Hospital was reached unlawfully. We consider that the CCG’s failed to properly consider the impact of increased travel times to the reconfigured hospital services before making the decision to close this unit. There has also been a great deal of concern that by the time a public consultation was undertaken, the QEQM was not an option that people could put forward as their preferred outcome, giving the impression that the decision had already been taken. They are undoubtedly worried of the implications the closure could have on the local community and their health, especially for those requiring urgent care as they would face significant delays in their treatment if the nearest vital stroke services are over an hour away. Our client feels that she has no option but to seek to challenge the lawfulness of this decision. We call on the joint CCG’s to rethink its proposals and carry out a thorough consultation with residents to find a suitable solution.”

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  • 25/03/2019
    Parents Set For Landmark Legal Challenge Over Who Decides What’s Best For Young Adults With Disabilities

    “We have heard many first-hand accounts about how parents feel side-lined and powerless to help their children when they turn 18. “The parents have the best interests of their children at heart and, having done what’s best for them during their childhood, want to be able to continue this. They are, in reality, the experts in relation to their own children’s views and wishes. “Of course we accept that the court will need to make decisions on the facts of each particular case, but our clients believe this should be focussed on the young adult’s views and wishes and their best interests, without having to show that their application is ‘one of the most difficult’ as the Code currently requires.” “We are hopeful that the courts look favourably on the parents’ case.”

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