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Tim joined Matrix in October 2019. He practices primarily in criminal law and extradition, public law and human rights, and media and information law.

Criminal Law and Extradition

Tim has experience across a range of criminal law matters.

  • R v Extinction Rebellion: Instructed on behalf of a number of protesters charged with offences arising from the Extinction Rebellion climate change protests (including public order offences, obstruct PC, and obstruction of the highway).
  • R v B: Successfully defended a client charged with assault by beating and criminal damage arising from a ‘road range’ incident, where the defendant alleged that he had been the victim of a racially aggravated assault by the complainant.
  • R v M: Defending a client charged with gang-related drugs offences.
  • A Prosecution Authority v A Public Official: Assisted in pre-charge advices for a prosecution authority concerning potential charges of misconduct in public office against two public officials (with Clare Montgomery QC).
  • Serious Fraud Office v X: Advised a company under investigation by the SFO for allegations of conspiracy to defraud and false accounting (led by Clare Montgomery QC).
  • B v Trinidad: Advising three clients in death penalty appeals to the Privy Council (led by Alex Bailin QC, and with Jessica Jones).
  • In re X LLC: Assisted in resisting the registration of an overseas restraint order pursuant to the Protocol No 36 Regulations (with Aaron Watkins).

Tim has assisted in both prosecuting and defending extradition matters under Part 1 and Part 2 of the Extradition Act 2003. This has included assisting in advising clients in the early stages of extradition proceedings, as well as providing assistance at a number of extradition hearings. The subject matter of these proceedings was varied, including allegations of commercial fraud, the illegal trade of antiquities, sexual offences and murder. By way of example:

  • Russian Federation v X, Y, Z: Assisted in advising a number of clients facing criminal charges in the Russian Federation for fraud arising from their commercial activities (with Aaron Watkins).
  • United States of America v I: Assisted in prosecuting an extradition case on behalf of the Government of the United States of America involving child sex offences (with Aaron Watkins).
  • France v A: Acting for the requested person in extradition proceedings raising issues concerning French prison conditions.

Public Law and Human Rights

Tim has experience in a range of public law and human rights matters. He has worked across all stages of judicial review proceedings, from advising clients at the pre-action stage, to assisting in preparation for an appeal. Tim has a particular interest in public law cases which involve a significant criminal justice focus, including actions against the police.

  • Archer v Commissioner of Police of the Metropolis: Instructed for the claimant in civil proceedings alleging that the power for police to detain a juvenile “in his own interests” under the Police and Criminal Evidence Act 1984 is incompatible with Article 5, ECHR (led by Richard Hermer QC).
  • Commissioner of Police of the Metropolis v J: Acted for the respondent to a ‘Gang Injunction’ made pursuant to Part 4 of the Policing and Crime Act 2009.
  • Rights Watch (UK) v Secretary of State for the Home Department: Instructed by the successful Claimants in the challenge to the appointment of Lord Carlile as the Independent Reviewer of the Prevent Programme (led by Dan Squires QC).
  • Bilal Abdul Kareem v Gina Haspel: Instructed on behalf of a number of victims and the families of victims of state-sponsored violence in Northern Ireland as amicus curiae in United States proceedings concerning the United States government ‘kill list’ (led by Hugh Southey QC).
  • Advised a political party, and a think-tank, on issues concerning electoral expenditure (including issues raising potential criminal liability) in the course of the 2019 General Election.
  • Instructed on behalf of a serving prisoner seeking to judicially review the retrospective amendment to release on licence arrangements made by the Terrorist Offenders (Restriction of Early Release) Act 2020 (led by Dan Squires QC).
  • Y v Ministry of Justice: Advising a prisoner subject to an allegedly unlawful strip search in prison regarding a potential civil claim.

Media and Information Law

Tim has a wide-ranging interest in media, privacy, and data protection law. By way of illustration:

  • Various Claimants v News Group Newspapers Limited: Drafting defences in the Mobile Telephone Voicemail interception Litigation.
  • Advised the distributors of a high-profile contemporary art project regarding potential criminal liability for obscenity and the publication of indecent material, and civil liability for misuse of private information.
  • Acting for a respondent in family proceedings in respect of a counter-claim alleging misuse of private information and breach of confidence (led by Tim Owen QC).
  • Advised a claimant pre-action in a libel matter arising from the reporting of an investigative journalist (led by Hugh Tomlinson QC).

Inquests and Inquiries

Tim accepts instructions in inquests and inquiries matters. Prior to joining Chambers, Tim was a Legal Officer at the Australian Royal Commission into Institutional Responses to Child Sexual Abuse. In that time, he contributed to public hearings investigating the sexual abuse of children in children’s homes operated by The Salvation Army,  a range of disability service providers, health care institutions and the Catholic Archdiocese of Melbourne, among others.

In the course of traineeship, Tim assisted in a number of inquests and inquiries matters, including:

  • MA and BB v Secretary of State for the Home Department [2019] EWHC 1523 (Admin): Assisted in the preparation of the case for the intervener in this case concerning an inquiry into abuse at Brook House IRC (with Dan Squires QC).
  • Inquest into a death at HMP Woodhill: Assisted in the conduct of an inquest into a self-inflicted prison death on behalf of the family of the deceased (with Nick Armstrong).

Education and Background

Tim holds a Bachelor of Arts (Honours) and a Bachelor of Laws (Honours) from the University of Sydney, and a Master of Law (First Class) from the University of Cambridge.

Prior to commencing his traineeship at Matrix, Tim taught criminal law, evidence and torts at the University of Sydney and the University of New South Wales. Tim has also completed an internship at the Office of the Prosecutor of the Special Tribunal for Lebanon in The Hague, contributing to the Office’s conduct of prosecutions in relation to the terrorist assassination of former Prime Minister of Lebanon, Rafik Hariri. He has been published the Law Quarterly Review, Criminal Law Journal and the University of New South Wales Law Journal, and has written for AUSPUBLAW, The Conversation, the UKSC Blog and Inforrm.

Tim is admitted as a lawyer of the Supreme Court of New South Wales.

Privacy Notice

Tim is committed to protecting and respecting your privacy. In order to provide legal services to his clients, including advice and representation services, Tim needs to collect and hold personal data. This includes his client’s personal data and the personal data of others who feature in the matter upon which he is instructed. To read Tim’s privacy notice in full, please see here.


Tim is regulated by the Bar Standards Board and accepts instructions under Standard Contractual Terms. To find out more information on this and the way we work at Matrix, including our fee transparency statement, please see our see our service standards.