Jason practises across all of Chambers’ main areas of work, with particular expertise in EU & competition law, public and human rights law, commercial law, public international law, and sanctions law. He is ranked as a leading junior in seven practice areas in the leading independent legal directories. Recent comments include: "He is a star who will rise to the very top. He is outstanding in every way." (Legal 500 2018);“Quickly rising to prominence within the public law sphere” (Chambers 2018); “a future superstar” (Chambers 2018); “very cerebral … while remaining personable and client-friendly” (Chambers 2018); “just excellent … surely a star of the future” (Chambers 2018); “very efficient, responsive, always available, bright, hard-working and super-easy to work with” (Chambers 2018); "a real team player" (Chambers 2019); “A real future star: meticulous, diligent and fantastically efficient under extreme pressure” (Legal 500 2017). In the sanctions arena, Jason is recognised as the “leading junior in the field” (Chambers & Partners 2017). In 2018 Jason won the WorldECR's young practitioner of the year award.

Jason combines a strong commercial practice with an extensive publicly funded and pro bono human rights practice, drawing on his academic expertise in this area.  Jason regularly appears in the highest appellate courts, including the Court of Appeal, the Supreme Court, the European Court of Human Rights, and the Court of Justice of the European Union. He has appeared before the Supreme Court on nine occasions. Jason has extensive advocacy experience, and regularly appears unled, including in the High Court and the General Court of the European Union.

Recent highlights of Jason's practice include:

    • representing the Law Society in its judicial review of cuts made by the Lord Chancellor to criminal legal aid, which resulted in the Divisional Court quashing the Lord Chancellor's decision on the grounds of unfairness and irrationality (R (Law Society) v Lord Chancellor [2018] EWHC 2094).
    • representing Visa in its defence of multiple claims brought by retailers alleging that interchange fees charged on card transactions are anti-competitive, and breach Article 101 and Article 102 TFEU (Sainsbury's v Visa [2018] 4 CMLR 24 (Commercial Court); [2018] 4 CMLR 11 (Commercial Court); [2018] 5 CMLR 9 (Court of Appeal)).
    • representing six families of recognised refugees currently living in the UK Sovereign Base Area in Cyprus, who are seeking admission into UK (R (Bashir) v SSHD [2016] 1 WLR 4613 (High Court); [2017] EWCA Civ 397 (Court of Appeal); [2018] 3 WLR 573 (Supreme Court)).
    • representing Scania Trucks in its defence of multiple claims alleging a cartel in connection with the manufacture of medium and large trucks throughout Europe. 
    • advising the Equality and Human Rights Commission on its work relating to the Grenfell Tower Inquiry ("Following Grenfell: the human rights and equality dimension"). 
    • representing a number of prisoners, strip searched in private prisons in contravention of Article 8 ECHR, in claims against prison contractors and the Secretary of State for Justice.
    • advising Save the Children in relation to violations of the Convention on the Rights of Child in Myanmar, including presenting at the UN Human Rights Council in June 2018.
    • representing Hosni Mubarak and his family in challenging EU sanctions.
    • representing a large number of shareholders of Banco Popular, challenging the decision of the Single Resolution Board to sell Banco Popular to Banco Santander for 1 euro in 2017.
    • representing the Serious Fraud Office in connection with its Barclays/Qatar prosecution.

    Prior to joining Chambers, Jason was an associate in the commercial litigation team at Mallesons Stephen Jaques (now King & Wood Mallesons) in Australia, where he had a broad commercial litigation practice. In addition to his experience as a commercial litigation solicitor, Jason has taught and published widely in the areas of public international law, public law and human rights, and international refugee law. He is a Research Associate at the Refugee Studies Centre at the University of Oxford. His monograph, The Child in International Refugee Law was published by Cambridge University Press in 2017, and was shortlisted for the triennial Inner Temple Book Prize.

    Jason is a member of the Attorney General’s Panel of Counsel, the Attorney General's PIL Panel of Counsel, and the Equality & Human Rights Commission’s Panel of Counsel.  In 2018 he was appointed a trustee of the AIRE Centre.


    Experience

    Shortlist

    EU & Competition

    Jason has significant experience in EU and competition law matters. He has acted in over 15 cases before the CJEU and General Court in a broad range of regulatory and sanctions matters. He is presently acting in two of the largest domestic competition cases currently being litigated in the United Kingdom. He is representing Visa in defence of multiple competition damages claims alleging that multilateral interchange fees charged on use of credit and debit cards breached EU, English and Irish competition law. He is also representing Scania in its defence of multiple competition damages claims alleging a cartel in relation to the manufacture of trucks in Europe. 

    There is considerable overlap between Jason’s EU law practice and public law and human rights practice, and Jason has particular expertise in EU law cases raising human rights issues, including, in particular, cases involving the EU Charter of Fundamental Rights and cases involving asset-freezing sanctions.

    During his time as a solicitor, Jason was heavily involved for a number of years in Australia’s then largest ever private cartel damages claim, acting for Cadbury Schweppes Ltd in a claim arising out of the Visy/Amcor corrugated fibreboard packaging cartel.

    Cases

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    Public & Regulatory

    Jason is recognised as a leading public law junior. He has a wide-ranging public law practice, advising and acting for individuals, governments, regulators, large commercial entities and NGOs in the UK and in other jurisdictions, including Singapore, Hong Kong and the Cayman Islands. He appears regularly in the Administrative and Appellate Courts, and has been instructed in 9 cases before the Supreme Court. He is a member of the Attorney General’s C Panel of Counsel, and the Attorney General's PIL Panel of Counsel.

    Cases

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    Civil Liberties & Human Rights

    Jason has a wide-ranging public law and human rights practice, and has appeared in many of the leading human rights cases in recent years, including appearing in 9 cases before the Supreme Court. Many of Jason’s cases include public international law elements. He has particular expertise in EU law cases raising human rights and public international law issues, and has particular expertise in challenging and advising on EU and international sanctions. He is currently acting for a number of individuals and entities whose assets have been frozen under EU sanctions legislation, in challenges before the General Court of the EU and the Court of Justice. Jason also regularly advises on sanctions compliance issues (see under Sanctions below). 

    Jason’s practice is complemented by his academic experience, having taught and published widely in the areas of public law and human rights, public international law and immigration and refugee law.

    In addition to publicly funded work, Jason undertakes substantial pro bono work. He has acted pro bono for UNHCR, the Office of the Children’s Commissioner, Bail for Immigration Detainees, Medical Justice, the AIRE Centre, ILGA-Europe, the Equality Network and the International Commission of Jurists. In 2017 he was nominated for the Bar Pro Bono Unit Pro Bono Barrister of the Year.

    Jason is a member of the Equality and Human Rights Commission Panel of Counsel.

    Cases

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    Commercial

    Jason has a wide-ranging general commercial litigation practice, building on his experience as a commercial litigation solicitor. During his time as a solicitor at Mallesons Stephen Jaques, Jason developed a broad commercial litigation practice, acting for and advising clients across a broad range of industries, including retail, telecommunications and banking and finance. Since commencing practice, Jason has acted in a wide range of commercial cases, before the English Courts and abroad.  In addition to his pure commercial law work, Jason also specialises in commercial public law cases. 

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    Sanctions

    Jason is recognised as a leading lawyer in sanctions-related work, and is highly sought after for his expertise in challenging and advising on EU and international asset-freezing sanctions. Chambers & Partners 2017 identifies him as the “leading junior in the field”.  In 2018 he was awarded the World ECR Young Sanctions Practitioner of the Year Award. He is currently representing more than twenty individuals and entities in over a dozen challenges to asset-freezing regimes before both the General Court of the EU and the Court of Justice. He recently appeared successfully in the General Court, unled, for Mr Andriy Klyuyev, the former head of the Presidential Administration of Ukraine. 

    Jason also regularly appears in sanctions-related challenges in domestic Courts, both in the UK and abroad. He recently completed a 10-day trial on Libyan sanctions-related issues in the Cayman Islands. Jason has particular experience with the sanctions regimes for Iran, Egypt, Syria, Ukraine, Libya and Russia, and regularly advises banks, corporates and individuals on compliance issues, including the implications of sanctions to commercial transactions. More recently he has advised on the implications of the Sanctions and Anti-Money Laundering Act 2018.  Jason’s sanctions-related work is complemented by his academic background in public international law.

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    Public International Law

    Jason has substantial experience in the field of public international law, having taught and published extensively in these areas (for details of research and teaching, and a list of publications, see below). He has particular expertise in cases raising issues of international human rights law, and has advised on a number of matters before the UN human rights bodies. He recently appeared before the UN Human Rights Council on behalf of Save the Children, in relation to human rights violations committed against the Rohingya people in Myanmar.

    Jason is a member of the Attorney General's specialist PIL Panel of Counsel, and regularly advises the UK Government on PIL-related matters.

    Cases

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    Immigration

    Jason has an extensive appellate immigration practice, and has appeared in many of the leading immigration cases in recent years, including several cases before the Supreme Court. He has a particular interest and expertise in cases raising issues regarding the interpretation of the 1951 Refugee Convention, and the interaction between domestic and public international law in the immigration context. Jason also regularly advises on private immigration and nationality matters.

    Jason’s practice is complemented by his academic experience. He is regarded as a leading academic authority on international refugee law, and in particular issues concerning child refugees. He is a Research Associate at the Refugee Studies Centre at the University of Oxford, and his monograph, The Child in International Refugee Law was published by Cambridge University Press in 2017. A full list of his research, teaching and publications in this area is set out under “achievements” below.

    Cases

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    Financial Services

    Jason has particular expertise in the field of financial services regulation, and appears regularly for regulators, regulated bodies, banks and individuals across a broad spectrum of financial services matters. He has particular expertise in financial services matters raising public law and EU law issues. In 2013, Jason completed a 3-month secondment at the Financial Conduct Authority.

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    Environment

    Jason has a particular interest and expertise in environment cases, particularly in the context of judicial review. He has particular expertise in cases with an EU law dimension.

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    Employment

    Jason is regularly instructed in cases before employment tribunals and the High Court, in disputes concerning a variety of issues including unfair dismissal, disability and race discrimination, restrictive covenants, breach of confidence and breach of contract.

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    Achievements

    Education

    BA (University of Melbourne); LLM (University of Melbourne); BCL (Dist.) (Oxon) (Commonwealth Scholar); PhD (Cantab) (W.M. Tapp Scholar and Poynton Cambridge Australia Scholar)

    Prizes & Scholarships

    • WorldECR's young practitioner of the year award (2018).
    • Cambridge Yorke Prize for a PhD thesis of exceptional quality that makes a substantial contribution to its relevant field of legal knowledge.
    • Hauser Global Fellowship (to attend New York University as a Hauser Visiting Doctoral Researcher).
    • W.M. Tapp Studentship in Law (full funding to undertake PhD at Gonville and Caius College, University of Cambridge).
    • Poynton Cambridge Australia Scholarship (full funding to undertake PhD at Gonville and Caius College, University of Cambridge).
    • Commonwealth Scholarship (full funding to undertake BCL, University of Oxford).

    Publications

    Books

    The Child in International Refugee Law (Cambridge University Press, 2017), shortlisted for the triennial Inner Temple Book Prize (2018).

    Book chapters

    • “Article 10” in Philip Alston and John Tobin (eds.), The UN Convention on the Rights of the Child: A Commentary (Oxford University Press, 2018) (forthcoming).
    • “Article 22” in Philip Alston and John Tobin (eds.), The UN Convention on the Rights of the Child: A Commentary (Oxford University Press, 2018) (forthcoming).
    • “Treating like alike: The principle of non-discrimination as a tool to mandate the equal protection of refugees and beneficiaries of complementary protection” in James C. Hathaway (ed.), Human Rights and Refugee Law (Edward Elgar, 2014) (reprint).
    • “A child rights framework for assessing the status of refugee children” in Satvinder Juss and Colin Harvey (eds.), Contemporary Issues in Refugee Law (Edward Elgar, 2013) 91 – 138.
    • Co-author (with Guglielmo Verdirame), “The end of refugee camps” in Satvinder Juss (ed.), Research Companion to Migration Laws Theory and Policy (Ashgate, 2013) 471 – 488.

    Articles

    • “The best interests of the child principle as an independent source of protection” (2015) 64(2) International Comparative Law Quarterly 327
    • Co-author (with Justice Anthony North and James C. Hathaway), “Roundtable on the Future of the Refugee Convention Supervision” Journal of Refugee Studies (2013) (forthcoming).
    • Co-author (with Sarah Spencer CBE), "Equality for All? The Relationship between Immigration Status and the Allocation of Rights in the United Kingdom" (2012) 2 European Human Rights Law Review 160 – 175.
    • Co-author (with James C. Hathaway), “Queer cases make bad law” (2012) 44(2) New York University Journal of International Law and Politics 315-389 [published as lead article in symposium, with responses from Sir Richard Buxton, Ryan Goodman, John Tobin, David Frank, Jenni Millbank, Deborah Anker, Sabi Ardalan and Guglielmo Verdirame].
    • Co-author (with Michelle Foster), “A failed case of legal exceptionalism? Refugee status determination in Australia's 'excised' territories” (2011) 23(4) International Journal of Refugee Law 583 – 631.
    • “Treating like alike: The principle of non-discrimination as a tool to mandate the equal protection of refugees and beneficiaries of complementary protection” (2010) 34(1) Melbourne University Law Review 181 – 229. 
    • Co-author (with Kate Purcell), “Refugee processing freeze: Unlawful and practically unsound” (2010) 35(2) Alternative Law Journal 60 – 61.
    • “Keeping the cat out of the bag: The interaction between litigation privilege and the service of witness statements” (2010) 29 Civil Justice Quarterly 48 – 72.
    • “The service of witness statements and litigation privilege: ACCC v Cadbury” (2009) 13 The International Journal of Evidence and Proof 335 – 341.
    • "Medically mediated reproduction: Posthumous conception and the best interests of the child" (2007) 15 Journal of Law and Medicine 450 – 468. 

    Research & Teaching

    Jason has undertaken postgraduate study at the University of Melbourne, University of Oxford, University of Cambridge and New York University. He received his doctorate from the University of Cambridge for his thesis, “The Child In International Refugee Law”. His research has focused principally on public international law, public law and human rights, and international refugee law, and he has taught in these areas at the University of Cambridge, the University of Oxford, the University of London and New York University. 

    In 2010 Jason founded the Cambridge Pro Bono Project, which has, since its establishment, facilitated the involvement of hundreds of postgraduate students in various pro bono projects.

    In 2011 Jason was a Visiting Fellow at New York University working under the supervision of Professor Philip Alston, where he was also involved in supervising students undertaking the International Human Rights Fellowship. In 2010 Jason was a Research Associate at Makerere University in Kampala, where he undertook research on unaccompanied refugee children, predominately from the Democratic Republic of the Congo.

    Jason is presently a Research Associate at the Refugee Studies Centre at the University of Oxford.

    Jason is regularly invited to speak and present at conferences and workshops both domestically and overseas, particularly on issues relating to human rights and international refugee law. He has recently delivered lectures in London, Oxford, Cambridge, Lund, Stockholm, Geneva and Boston. He has acted as a consultant to the Centre of Migration, Policy and Society at the University of Oxford, and the Diana, Princess of Wales Memorial Fund. 

    Jason is a trustee of the AIRE Centre.

    Memberships

    • Administrative Law Bar Association
    • Human Rights Lawyers Association
    • Bar European Group
    • Immigration Law Practitioners Association
    • Commercial Bar Association 
    • Employment Lawyers Association
    • Employment Law Bar Association
    • British Institute of International and Comparative Law
    • International Law Association
    • European Society of International Law
    • American Society of International Law

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