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Challenging expert evidence

Speaker: Antony Bartholomeusz
Chambers: Great James Street Chambers

Perennial star of Law Friends conferences, Antony Bartholomeusz returns with a dive into challenging expert advice, offering useful guidance and tips, in particular looking at:

• Expert evidence
• Admissibility
• Assistance
• Relevant expertise
• Independence and impartiality
• Evidentiary reliability
• Disclosure; weight and sufficiency

Relevant law

Criminal Justice Act 1988, s 30
Police and Criminal Evidence Act 1984, s 81 / Criminal Procedure and Investigations Act, s 20
Criminal Procedure Rules, Part 19
Criminal Practice Direction 19
Forensic Science Regulator Act 2021
Reed [2009] EWCA Crim 2698 [113]
Puaca [2005] EWCA Crim 3001 at [31]-[32]
Stubbs [2006] EWCA Crim 2312
R v Dlugosz and ors [2013] EWCA Crim 2 at [11]
Kennedy v Cordia Services (LLP) [2016] UKSC 6
TUI v Griffiths [2021] EWCA Civ 1442

Antony’s practice focuses mainly on criminal and public law. He frequently appears in the Crown Court and in magistrates’ and youth courts. As well as acting as junior alone, Antony is led in complex trials and appeals.

When not in court, Antony advises on public law matters and civil disputes involving public authorities. In addition to the CPS and defence solicitors, Antony has been instructed by public bodies such as local authorities, TfL and police forces. Antony is also public access qualified and accepts instructions directly from members of the public in appropriate cases.

Before practising at the bar Antony lectured in law. Antony has convened and examined modules in public international law and EU law, in addition to teaching public law at the University of Surrey. He also taught public law at the University of Winchester where students voted him ‘lecturer of the year’. Working with an NGO, Antony provided pro bono legal advice and assistance to small-island and developing states and NGOs in relation to several rounds of UNFCCC climate change negotiations. As a consultant, Antony has experience of international and comparative legal research, ranging from illegal, unreported and unregulated fishing in Asia to the implementation of the Basel III Accords in the EU, US and UK.