Caroline Stone and Ben Amunwa celebrate appointments to the Attorney General’s London Panel
1st September 2026
3PB Barristers (3 Paper Buildings) is delighted to announce Caroline Stone and Ben Amunwa have been appointed to the Attorney General’s London Panel for a period of five years from today. Caroline has been promoted to the London A Panel, having previously been on the B and C Panels, while Ben has been appointed to the London B Panel.
Caroline Stone has a broad public law practice, encompassing judicial review and statutory appeals, hearings before quasi-judicial bodies (e.g. security vetting appeals), public inquiries and civil matters with a public law element. Caroline has a particular expertise in national security litigation and is the founding/Assistant Editor of and contributor to the leading practitioner’s textbook National Security: Law, Practice and Procedure (Oxford University Press, now in its second edition).
As an experienced member of the Attorney General’s Panel of Junior Counsel to the Crown, Caroline is alive to the unique challenges of litigating both for and against public authorities, in particular the need for timely advice which takes into account both wider policy implications and the unknown variables often associated with such cases.
Her current instructions include representing senior military witnesses before the Independent Inquiry Relating to Afghanistan; a judicial review relating to the powers of the Chair of a statutory public inquiry to exclude Core Participants from hearings (involving the first ever hybrid closed material procedure under the Haralambous and the Justice and Security Act 2013 jurisdictions) and advisory work relating to the scope of future legislation. She is regularly instructed by a variety of central government departments and agencies, including the FCDO, Home Office, Ministry of Defence and Ofsted.
Ben Amunwa has an outstanding public law, equalities and human rights practice. He takes instructions in strategic, multi-party cases that often raise local and national policy issues, technical points of law and systemic or public interest considerations.
Unphased by fast-moving and complex litigation, Ben has acquired expertise in over a decade of public law advocacy for his clients. He regularly handles cases concerning education, information law, social welfare, immigration and asylum, international relocation and closed material proceedings. He has acted in some of the leading authorities on equalities monitoring of government contracts (R (DMA) v SSHD [2020] EWHC 3416 (Admin); [2021] 1 WLR 2374), fundamental rights (ASY v Home Office [2024] EWCA Civ 373; [2025] K.B. 87), and the use of large site accommodation by the Home Office (R (TG) v SSHD [2025] EWHC 596 (Admin)).
Ben provides pragmatic and user-friendly advice on the framing of lawful and innovative policies, including transportation duties to vulnerable groups and socially progressive changes to school admission criteria.
Ben maintains a vibrant practice in public interest matters in statutory Tribunals, ranging from FOIA 2000 appeals to disability discrimination claims. In addition, he acts pro bono in urgent cases with national impact, such as representing an intervener in a case concerning the human rights compatibility of new police powers affecting the Gypsy, Roma and Traveller community.
The Attorney General’s Panels are a selection of junior counsel who undertake civil and EU work across the range of central government departments. The panel system comprises London, Regional and Public International Law panels. 3PB currently has nine barristers on the Attorney General’s Civil Law panels:
London A Panel: William Hansen, Richard Wheeler, Mark Green, Caroline Stone
London B Panel: Thomas O’Donohoe, Ben Amunwa
London C Panel: Gemma Ralph
Regional B Panel: Simon Tibbitts
Regional C Panel: David Kemeny
Ben, who is Head of 3PB’s Public and Administrative Law team, said on the appointments: “3PB has an established position as a leading public law chambers and we are fortunate to provide counsel of all levels of seniority to government bodies. It is a pleasure to be appointed to the Panel, and I am pleased to celebrate this news alongside Caroline and the team.”
If you wish to contact or instruct Caroline or Ben, please email Gemma Faulkner, or telephone 0330 441 7571.
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