“Her approach to advocacy is modern and thoughtful and her written work is conveyed in a manner that is easy to understand yet forceful.” “A fantastic advocate.”
Chambers & Partners 2022
“She is persuasive and packs a powerful punch. Her submissions are concise, and she is bright and good on her feet.” “Very, very considered in her arguments; she delivers them in an understated way but is very persuasive.”
Chambers & Partners 2022
Deok Joo Rhee KC’s practice covers all areas of public law, EU and human rights law. Within these fields the particular focus of her practice is EU economic and social policy, including public procurement, state aid, free movement, immigration and asylum, and public international law.
Her expertise is attested to by her entries in the legal directories across all areas of her practice.
Recent instructions include acting in lead ‘policy’ challenges (Medical Justice v Secretary of State on the Removal Window Policy; BF (Eritrea) v Secretary of State on the policy approach to initial age assessments, R (ZK) v Redbridge LB – on the provision of services to visually impaired children), leading in multimillion pound procurement challenges for both providers and NHS Trusts, appearing in the lead cases on the rights of Turkish businesspersons under the EC-Turkey Association Agreement, appearing for the Trustees in Bankruptcy in a EU free movement challenge to UK insolvency law, challenging a broadcaster’s decision to film and broadcast footage of ‘looked after’ children, advising on devolution and the EU’s Fourth Railway Package, defending the rights of transgender women to be included on All Women Shortlists, acting for a Consortium of local authorities on a judicial discipline judicial review, advising on the compatibility of windfall taxation with the ECHR, advising on the recent Violence Against Women and Girls Strategy, and advising on the implementation of Part 2 of the Withdrawal Agreement (citizen’s rights).
In 2019, she was also instructed in the Miller litigation challenging the prorogation of Parliament – in the Divisional Court and Supreme Court – on behalf of the Shadow Attorney General.
In addition to her domestic practice, Deok Joo also welcomes instructions from clients overseas. In recent years, she has appeared in the Financial Services Division of the Grand Court of the Cayman Islands defending a series of economic tort claims on behalf of Cayman National Bank and its parent company, in an environmental and constitutional law judicial review in the Grand Court of the Cayman Islands challenging the open release of genetically modified mosquitoes, has advised commercial clients – in Malaysia – on constitutional and human rights issues, in South Korea – on EU law matters and in the Cayman Islands on the lawfulness of species conservation plans as well as on commercial matters (including share purchase agreements).
Deok Joo is a member of KCAB International’s Panel of International Arbitrators.
Prior to taking silk, Deok Joo was a member of the Attorney General’s ‘A’ Panel of Government Counsel and has acted for most Government Departments. In this capacity she has appeared as sole, lead and junior counsel – in many lead cases – including before the UK Supreme Court and the Court of Justice of the EU.
She is a former Référendaire at the Court of Justice of the EU and judicial assistant at the (UK) House of Lords and prior to coming to the Bar was a lecturer in European law at Lady Margaret Hall (Oxford University).
Deok Joo is a member of the Bar European Group, Administrative Law Bar Association (former Committee member and Officer), United Kingdom Association of European Lawyers, British Institute of International and Comparative Law, British Korean Lawyers’ Association, International Association of Korean Lawyers and is a serving member of Liberty’s Conference and Appeals Committee. She is a former member of the Bar Council’s Remuneration Committee, European Committee and International Committees. She also served as a member of the Advisory Committee to the Pyeong Chang Winter Olympics (2017-2018).
She is proficient in French (legal and conversational) and Korean (conversational).
Deok Joo is recognised as a leading silk in the field of EU law. She has particular expertise and experience across a broad spectrum of issues arising at the intersection of domestic, EU and international law. She has acted in numerous cases – before the domestic courts and before the Court of Justice of the European Union involving free movement and citizenship rights, the accession of A8 nationals, the compatibility of domestic law with EU law across the fields of environmental protection, transport regulation, pensions protection, insolvency, the interpretation of EU-Association Agreements, EU immigration and asylum law and the European Charter of Fundamental Rights. Her expertise extends to EU external relations law – including trade and investment law.
In addition to her work at the bar, she was appointed to work as a Référendaire at the Court of Justice of the European Union in Luxembourg in the British Cabinet (2002-2004) – for Sir David Edward and Sir Konrad Schiemann. In that capacity she dealt with the full range of substantive and procedural law matters before the Court. Prior to coming to the bar, Deok Joo taught European law – at Lady Margaret Hall, Oxford University.
EU legislative competence – including competence to require the imposition of criminal sanctions for environmental breaches (Case C-440/05 Commission v Council (Court of Justice of the European Union)  ECR I-9097,  1 CMLR 22.  All ER (EC) 489,  Env LR 12 – ‘Ship source pollution’ case); distinction between single market transport and trans-European network legal bases (Case C-121/14 United Kingdom v Parliament, Council (Court of Justice of the European Union) (sole counsel).
Compatibility of EU asset freezing order with EU free movement law (Rahim v HM Treasury).
Issues arising under the Dublin II Regulation including the determination of Member State obligations (in particular in relation to asylum reception conditions in Greece and Italy); the interface between rights under the EU Charter of Fundamental Rights and ECHR (NS v Secretary of State for the Home Department  EWCA Civ 990,  EqLR 18, referred to Court of Justice of the European Union); leading domestic case on the interpretation of ‘internal armed conflict’ for the purposes of subsidiary protection under the EU Qualification Directive (QD (Iraq) v Secretary of State for the Home Department  EWCA Civ 807,  1 WLR 689,  2 All ER 971,  Imm. AR 132).
European Patent Convention and the domestic law reviewability of decisions by the European Patent Office to grant a European Patent – by reference to the Patent Act 1977 and the Arbitration Act 1997 (Virgin Atlantic Airways Ltd v Jet Airways Ltd & Ors  EWHC 2153 (Pat),  RPC 10).
All areas including agriculture, fisheries, pharmaceuticals and regional development funding grants including:
Agricultural subsidies (‘FEOGA’ grants).
Allocation of EU fishing quotas and A1P1 ECHR, discrimination as between English and Scottish fish producer organisations and legitimate expectations (United Kingdom Association of Fish Producer Organisations v Secretary of State for Environment, Fisheries and Agriculture  EWHC 1959 (Admin)).
Litigation and extensive advisory experience in relation to the clawback of European Regional Development Fund grants (for infrastructure projects for alleged breaches of EU procurement requirements) (Mansfield DC v Secretary of State for Communities and Local Government  EWHC 2167 (Admin) – lead case in this area – sole counsel).
Pharmaceutical and Medicines Regulation including – licensing of generics and compatibility with EU law (Association of the British Pharmaceutical Industry v Medicines Health and Regulatory Agency), registration of herbal medicinal products (Alliance for Natural Health), medical devices disclosure obligations under the EU In-Vitro Medical Devices Directive (JBol Ltd v Medicines and Healthcare Products Regulatory Agency (Upper Tribunal, 2014, lead counsel).
Rights and obligations of public sector guarantors of occupational pension schemes under the Institutions for Occupational Retirement Provision Directive (in particular in relation to the ability to influence investment strategy).
Environmental (Member State obligations under the Energy Efficiency Directive).
Intellectual property and the protection of rights under the Artists’ Resale Rights Directive.
Procurement and state aid law – see below.
Paid annual leave and the Aviation Directive (Case C-155/10 Williams v British Airways (Court of Justice of the European Union)  ECR I-8409,  1 CMLR 23,  ICR 847,  IRLR 948).
Interpretation of ‘dynamic’ contract terms in collective agreements and TUPE (Case C-426/11 Alemo-Herron (Court of Justice of the European Union)  1 CMLR 21,  ICR 1116).
Protection of employees in the event of insolvency of employers and the determination of the responsible Member State (Cases C-477/09 Défossez (Court of Justice of the European Union)  ECR I-1421,  2 CMLR 44 and C-310/07 Sweden v Holmqvist (Court of Justice of the European Union)  ECR I-7891,  ICR 675,  IRLR 970). (Sole counsel in both.)
Challenge to National Minimum Wage Regulations (Cordant v Secretary of State for Business, Innovation and Skills). (Sole counsel.)
All aspects of EU free movement rights including – youth football transfer fees and free movement (Case C-325/08 Olympique Lyonnais (Court of Justice of the European Union)  ECR I-2177,  3 CMLR 14,  All ER (EC) 615) (Sole Counsel); free movement of professionals including lawyers and the qualified lawyers transfer test and medical professionals.
Extensive litigation and advisory experience in relation to free movement and EU citizenship rights to social security and rights of residence (in both the social security and immigration/deportation contexts), including:
Advising on European Commission infraction proceedings in relation to the Worker Registration Scheme (applicable to ‘A8’ nationals).
LO (Portugal)  EWCA Civ 199: deportation of EU national, Citizenship Directive, Article 8 ECHR. (Sole counsel.)
Aleksandrovicuite & Or v Secretary of State for Work and Pensions and Secretary of State for the Home Department (Court of Appeal, 2011, on appeal from CIS/3004/2008 & CJSA/3003/2008): challenge to the Worker Registration Scheme for A8 nationals. (Sole counsel.)
Dias v Secretary of State for Work and Pensions  EWCA Civ 807,  1 CMLR 4: social security, free movement, residence permits (referred to Court of Justice of the European Union). (Sole counsel.)
Kaczmarek v Secretary of State for Work and Pensions  EWCA Civ 1310,  2 CMLR 3,  EuLR 402: EU rights of residence, Citizenship Directive and Article 12 EC.
Teixeira v Lambeth LBC  EWCA Civ 1088,  EuLR 253,  HLR 9: EU rights of residence of third country national, child in education (referred to the Court of Justice of the European Union).
Czop & Ors v Secretary of State for Work and Pensions CIS/1465/2009 & CIS/2357/2009: EU rights of residence of primary carers of children in education (referred to Court of Justice of the European Union). (Sole counsel.)
In the interpretation of EU Asylum Directives – including the Dublin II Regulation (NS v Secretary of State for the Home Department; Mehrabi v Secretary of State for the Home Department), the EU Procedures Directive (S v First-Tier Tribunal – sole counsel) and the EU Reception Directive (Refugee Action v Secretary of State for the Home Department).
In a challenge to EU asset freezing order (Rahim v HM Treasury).
Deok Joo is also listed as a leading junior by both Chambers and Partners and Legal 500 in the field of procurement law. In particular, she has been listed as one of the top 3 juniors (Band 1) at the UK bar in this field by Legal 500 (2014). Her particular expertise in this area involves novel and cross-cutting issues for which she relies on her combined EU law and public law expertise. She regularly acts and advises in relation to both substantive and procedural issues which arise at all stages of procurement litigation, and on related regulatory and legislative matters for both public sector and private clients.
Extensive experience in relation to all areas of EU procurement law:
Extensive advisory work on procurement and state aid implications of major infrastructure projects and development agreements in London and in the regions.
Extensive advisory work on state aid implications of grant funding projects in the public sector; ‘services of general economic interest’, public service obligations (in transport, telecommunications), land disposal.
Deok Joo has an established practice in administrative law and constitutional law. She is also well known for her expertise in related areas of EU law and private law. She is instructed as sole or lead counsel across all areas of her practice.
Her experience in commercial judicial review extends across Article 1 Protocol 1 ECHR challenges to regulatory decisions (eg the challenge to DEFRA’s reallocation of EU fishing quotas, licence revocations), financial regulation (eg the Equitable Life JR), EU law challenge to UK insolvency/ pensions law (Re McNamara – in which she is instructed in the High Court and before the CJEU by the Trustees in Bankruptcy), constitutional law challenges – both at EU level (eg the ‘Ship source’ pollution’ case; the UK challenge to the EU Trans European rail network) and domestic law challenges (‘Miller 2’ – the challenge to the prorogation of Parliament in which she was lead counsel for the Shadow Attorney General), environmental law (eg challenge to the open release in the Cayman Islands of genetically modified mosquitoes), EU grant allocations including challenges to ‘claw back’ decisions (Mansfield DC v DCLG), agricultural subsidies, public procurement (eg the applicability of the ‘Teckal’ exemption to local authority insurance mutual in Risk Management Partners v Brent, LAML, infrastructure projects, extensive experience of NHS procurement challenges).
She has undertaken extensive advisory work – including for central and local government, Her Majesty’s opposition as well as for private/commercial actors in the UK and overseas (including the Cayman Islands, Malaysia, South Korea) – on matters ranging from transport, rail reform, windfall taxation, medicinal products, pension fund guarantees, EU free movement, EU export regulations, environmental protection, state aid and equalities and non-discrimination.
Cornwall CC v Secretary of State for Health & Ors (Supreme Court):  UKSC 46,  3 WLR 213 on the determination of ‘ordinary residence’ where the service user lacks capacity in social care legislation.
Hotak, Kanu, Johnson v Southwark LB & Ors (Supreme Court)  UKSC 30,  2 WLR 1341: Lead counsel for the Secretary of State for Communities and Local Government, on homelessness duties in Part 7 of the Housing Act 1996 and the public sector equality duty.
JN v Thameside HMP and Secretary of State for Justice (Admin, 2015): duties in relation to privatised prisons. (Sole counsel.)
LV v Secretary of State for Justice and the Parole Board for England and Wales  EWHC 1495 (Admin): delay in conditionally discharging prisoner detained under the Mental Health Act 1983 – whether breach of Article 5 ECHR. (Sole counsel.)
Police Superintendents’ Association v Chief Constable of Bedfordshire Police & Ors  EWHC 2173 (Admin): instructed to defend challenge to Police Pension Regulations. (Sole counsel.)
Justice for Kids v Secretary of State for the Home Department (Admin, 2015) (Sole counsel).
Revisions to PACE Code C in relation to the detention of young persons and compatibility with Article 8 ECHR (following HC v Secretary of State for the Home Department).
Refugee Action v Secretary of State for the Home Department  EWHC 1033 (Admin): challenge to asylum support rates.
Gallastegui v Westminster CC & Ors  EWCA Civ 28,  1 WLR 2377,  2 All ER 579: Parliament Square protester.
Boosttower v Secretary of State for Business, Innovation and Skills (2012, Admin): procedural challenge alleging failure to consult in relation to establishment of ‘Enterprise Zones’ in the North East of England. (Sole counsel.)
Global Management Services Europe Ltd v Secretary of State for Business, Innovation and Skills (2012, Admin): Article 6 challenge to Secretary of State’s investigatory powers under the Companies Act 1948. (Sole counsel.)
Pelling v Secretary of State for the Home Department & Ors: instructed by the Attorney General for the Speaker of the House of Commons to defend parliamentary privilege. (Sole counsel.)
Bailey v Brent LBC  EWCA Civ 1586,  EqLR 168,  BLGR 530,  BLGR 530: ‘Brent Libraries’ case on the closure of libraries in Brent and the public sector equality duty.
VC & Ors v Newcastle City Council & Or  EWHC 2673 (Admin) (Div Ct),  2 All ER 227, (2012) 15 CCL 194: lead case on primacy of section 17 Children Act 1989 duties over ‘section 4’ (asylum) support. (Sole counsel.)
RM v Secretary of State for Work and Pensions  UKUT 220: social fund, funeral payments, religious discrimination. (Sole counsel.)
A v Croydon LBC & Or; M v Lambeth LBC & Or  UKSC 8,  1 WLR 2557,  1 All ER 469,  HRLR 9,  UKHRR 63,  BLGR 183, (2009) 12 CCL Rep;  EWCA Civ 1445,  BLGR 24;  EWHC 1364 (Admin): lead ‘age assessment’ cases (as both sole and junior counsel).
R (Equitable Members Action Group) v HM Treasury  EWHC 2495 (Admin) DC, (2009) 159 NLJ.
Veolia Waters v London Fire and Emergency Planning Authority  EWHC 3109 (QB): incidence and content of statutory duty to maintain fire hydrants ‘in good working order’.
Taylor & Ors v Central Bedfordshire Council & Or  EWCA Civ 613,  1 WLR 446,  1 All ER 516,  BLGR 773: Article 8 ECHR as a defence to possession proceedings. (Sole counsel.)
Advisory work on draft amendments to primary legislation (eg in the fields of housing, mental health, social care, data protection and civil registration indexes).
Provided written Opinion for Liberty’s successful campaign challenging Westminster City Council’s proposal to ban ‘soup kitchens’ (2011).
Provided written Opinion for Liberty’s successful campaign challenging Oxford City Council’s proposals to introduce a public spaces protection order – criminalising begging and busking (June 2015).
Lead/country guidance cases in relation to safety of return to Somalia and Iraq, including – MA (Somalia) v Secretary of State for the Home Department  EWCA Civ 426,  Imm AR 563 (asylum seekers, safety of route of return); MSM (Somalia) v Secretary of State for the Home Department & UNHCR (UT, 2015) (imputed political opinion and reasonableness of modification under the EU Qualification Directive) (appeal pending before the Court of Appeal); QD (Iraq) v Secretary of State for the Home Department  EWCA Civ 807,  1 WLR 689,  2 All ER 971,  Imm. AR 132 (subsidiary protection, ‘internal armed conflict’ and Article 15(c) of the EU Qualification Directive); HH (Mogadishu: armed conflict: risk) Somalia CG  UKAIT 00091 and AA and AM (armed conflict: risk categories) Somalia CG  UKAIT 00091,  EWCA Civ 426,  UKSC 49.
Lead cases under Dublin II Regulation on safety of return to EU Member State: NS v Secretary of State for the Home Department  EWCA Civ 990,  EqLR 183.
Lead case on UK obligation to cooperate with UNHCR in relation to the resettlement of Syrian and Iranian refugees: ST (Iraq); C1 & Ors v Secretary of State for the Home Department  EWCA Civ 188 (2 joined appeals from  EWHC 855 (Admin) and  EWHC 2415 (Admin)).
Lead cases on the interpretation of statutory appeal rights including:
RA, BF v Secretary of State for the Home Department & Office of the Children’s Cmr (UT, Court of Appeal, judgments 13 and 22 April 2015): lead counsel – best interests of the child, and whether obligation to treat dependent child as having made own claim for international protection; statutory appeal rights and duties under the UN Convention on the Rights of the Child;
Mohan v Secretary of State for the Home Department  EWCA Civ 1363,  1 WLR 922,  Imm AR 210 – statutory appeal rights, deportation, family proceedings, Article 8 ECHR (sole counsel);
S v First-tier Tribunal & Or  EWHC 1815 (Admin): EU procedural requirements – including the principle of effective protection of EU law rights and Article 6 ECHR in the application of the EU Procedures Directive (sole counsel);
Sapkota v Secretary of State for the Home Department  EWCA Civ 1320,  Imm AR 254: whether delay (in removal) going to interpretation of statutory appeal rights (sole counsel);
BA (Nigeria) & Or v Secretary of State for the Home Department  UKSC 7,  1 AC 444,  3 WLR 1253,  2 All ER 95,  Imm AR 363 (statutory appeal rights and asylum/human rights claims).
“She produces very impressive written argument. She is a superb administrative lawyer of good judgement, with a broad knowledge of the principles and the case law.” Legal 500 2022 (European Law)
“A very clever lawyer and a very good advocate. We did some bold, far-reaching stuff together and she was the brains behind it.” “She’s very approachable, very available and always gives clear, supportive advice.” Chambers & Partners 2021 (Administrative & Public Law)
“She has extremely detailed knowledge of our case. She is assiduous, hard-working and absolutely up to speed with every detail.” “She is open to suggestions for different ways of tackling cases” and is “excellent in her presentation of coherent written submissions.” Chambers & Partners 2021 (European Law)
“Her written and oral advocacy oozes erudition.” Legal 500 2020 (Administrative & Public Law)
“Has an understated manner but commands the respect of the judges” Chambers & Partners 2020 (European Law)
“Very clever and considered; a careful advocate” Legal 500 2019 (Administrative & Public Law and EU Law)
“Very knowledgeable, especially on EU law issues” Legal 500 2019 (Civil Liberties & Human Rights)
“Has an understated manner but commands the respect of the judges” Chambers & Partners 2019 (European Law)
“delightful and excellent to work with” Legal 500 2018 (EU law)
“Remarkable; she is quietly passionate, extremely intelligent and great to work with” Legal 500 2018 (Administrative & Public Law)
“Brilliant; her opinion is trustworthy and truly valuable” Legal 500 2018 (Civil Liberties)
“Persuasive, very knowledgeable and incisive on the law” Legal 500 2018 (EU law)
“A first-rate counsel” Legal 500 2017 (Public procurement law)
“She is exceptionally hard-working, and her preparation for cross examination is incredibly detailed.” Chambers & Partners 2017
“Her calm exterior belies real legal rigor and a steely ability to fight her client’s corner” Legal 500 2017
“Her attention to detail is meticulous” Legal 500 2017
“An outstanding advocate, whose detailed and fastidious preparation is exceptional” Legal 500 2017
“She is really great; an excellent lawyer who is very hard-working and fantastic to work with.” Chambers & Partners 2017
“one of the best drafters at the Bar” Chambers & Partners 2017
“She has a profound, almost encyclopaedic, knowledge of EU law” Legal 500 2016
“Clever, hard-working and very clued up” Chambers & Partners 2016
“She has a wealth of experience in children’s rights” Legal 500 2016
“She has a first-rate legal brain but combines it with the even rarer qualities of first-rate communication, common sense and kindness.” Bar 100, Chambers & Partners 2015
“Excellent; trusted by the Judges” Legal 500 2015
“a deep knowledge of the area, and very good in court” Legal 500 2015
“excellent, a first-rate EU lawyer” Chambers & Partners 2015
“very talented and she knows her EU law inside out” Chambers & Partners 2015
“very good on free movement and citizenship questions” Chambers & Partners 2015
“concise, eloquent and unflappable” Legal 500 2014
“outstanding in the field of children’s rights” Legal 500 2014
“a rising star who is definitely one to watch” Chambers & Partners 2014
“her burgeoning caseload reflects how good she is” Chambers & Partners 2014
“an exceptionally bright individual with a real depth of EU knowledge across the board” Chambers & Partners 2014
“extremely able, works hard and has a sophisticated yet practical approach to legal analysis” Chambers & Partners 2013
“”a talented operator and a reassuringly regular sight” in EU and public procurement disputes”; “is engaged in some of the most complex procurement work around” Chambers & Partners 2012
“someone you can really do business with” Chambers & Partners 2010
“earns plaudits from competitors and clients for her “in-depth EU law knowledge” Chambers & Partners 2010
“a highly impressive and increasingly prominent junior” Chambers & Partners 2009
“recognised as a promising EU lawyer” and as “especially skilled at the overlap and intersection between state aid, procurement and competition law” Chambers & Partners 2008
“well prepared, charming and a meticulous thinker” Chambers & Partners 2007