James Cox has a broad practice centring on public law, extradition, criminal defence, and international law. He has a particular expertise in matters engaging a human rights dimension and is currently serving as Secretary of the Human Rights Lawyers’ Association.
A core part of James’s practice is criminal defence. He regularly appears in the Crown Court, and he has been praised for his ‘considerable court presence’, ‘admirable’ cross-examination, and ‘understated and gently persuasive’ manner. Recent instructions include acting as sole counsel in a high-profile trial representing an asylum seeker facing multiple counts of arson with intent to endanger life at controversial ‘migrant hotels’ (see here); advancing a modern slavery defence on behalf of a defendant charged with industrial-scale cannabis farming (see here); and acting as junior counsel to a silk in a high-profile bribery trial.
James has particular expertise in criminal cases involving a human rights element, and he has worked on numerous cases engaging ECHR arguments, including protest cases.
Alongside his domestic criminal practice, James has a substantial practice in extradition. He regularly appears as sole counsel at first instance and in the High Court, and has experience representing both Requested Persons and Judicial Authorities. At present, James is seconded to the CPS Extradition Unit, where he is gaining experience as a reviewing lawyer in Part 1 cases, providing him with an in-depth knowledge of the substantive and procedural issues raised in extradition cases. He has written widely on extradition and international law, and he has particular expertise in proceedings engaging ECHR rights.
James also has a growing practice in the field of public and administrative law. Recent and current work includes being instructed as a junior junior on a judicial review of a government department’s failure to hold a statutory inquiry, and assisting and advising in relation to a JR of a first-instance court’s approach to its findings of fact. James is appointed to the Attorney General’s Civil ‘Junior Junior’ Scheme.
Outside of court, James was recently appointed Secretary of the Human Rights Lawyers’ Association for 2026-27 (see here), and he has written articles on legal and human rights topics for a variety of publications, for which he has won awards.
James has extensive experience in the criminal courts, both as sole and junior counsel, and has been praised for his ‘considerable court presence’, ‘admirable’ cross-examination, and ‘understated and gently persuasive’ manner.
R v RA [2026], Chelmsford Crown Court
Represented an Iraqi asylum seeker charged with arson with intent to endanger life at two controversial ‘asylum hotels’ in Essex, including the high-profile Bell Hotel. James’s client was unanimously acquitted of arson with intent to endanger life in relation to both hotels. The case received significant media coverage (see here).
R v QN [2025], Ipswich Crown Court
Represented a Vietnamese asylum seeker charged with production of industrial quantities of cannabis advancing a modern slavery defence under s.45 Modern Slavery Act 2015 (see here).
R v A [2025], Southampton Crown Court
Represented a young man charged with fraud. Following extensive written submissions and a strong defence statement, the prosecution offered no evidence on the day of trial.
R v L & Ors [2025], Southwark Crown Court
Acted as junior counsel to a silk in a high-profile, multi-handed bribery trial relating to alleged bribery in a major construction company.
James has a growing public and administrative law practice. Recent and present work includes being instructed as a junior junior on a judicial review of a government department’s failure to hold a statutory inquiry, and assisting and advising in relation to a JR of a first instance court’s approach to its findings of fact.
James is appointed to the Attorney General’s Civil ‘Junior Junior’ Scheme.
James has increasing experience in extradition matters, and regularly appears before both Westminster Magistrates’ Court and the Administrative Court.
James is currently seconded to the CPS Extradition Unit, where, alongside regularly appearing in court, he acts as a reviewing lawyer in relation to Part 1 extradition cases. Consequently, he has a close familiarity with the issues frequently raised in an extradition context, including ECHR rights, proportionality, and forum.
Alongside his extradition work, James is seeking to develop a wider international practice. He has experience in domestic criminal proceedings engaging cross-border issues, and is a member of Chambers’ export controls team developing expertise in regulations governing the export of goods and technology across borders to protect national security and prevent the proliferation of weapons.
James Cox has been appointed Secretary of the Human Rights Lawyers Association for 2026–27, following…
James Cox represented an Iraqi asylum seeker charged with arson with intent to endanger life…
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