Kirsten Mercer

Year of call:



2005 - Newcastle University, LLB

2006 - Nottingham Law School, BVC ('very competent')


2009 - Pupil at Park Court Chambers, Leeds

2010 - Tenant at Park Court Chambers

Tenant at Park Square Barristers


2012 - Government Legal Department panel counsel B list

2019 - List B of the Panel of Specialist Regulatory Advocates


North Eastern Circuit

Kirsten Mercer is an experienced criminal practitioner.  She is frequently instructed to prosecute and defend in serious of cases. Her work encompasses the spectrum of criminal offending including homicide, serious violence and multi-handed conspiracies. She is dedicated to ensuring that each case is thoroughly prepared and that all relevant material is obtained and before the jury to ensure the very best representation for each client.

She has significant experience of dealing with cases involving young and vulnerable witnesses and defendants.  She also has a thorough understanding of Proceeds of Crime matters, in particular the complexities which arise in cases where there are multiple defendants and shared assets. She deals with cases where the prosecution seek to re-visit POCA orders some years after the original confiscation orders were made.

Kirsten has particular experience of cases where there are difficult disclosure issues. She is regularly instructed by the Crown Prosecution Service in cases where there are known to be complexities in disclosure including multi-handed homicide cases and multi-agency prosecutions where there are issues of disclosure spanning multiple public bodies.

Kirsten is a grade 3 prosecutor and was appointed to the B panel of specialist regulatory prosecution advocates in 2019. Kirsten has acted as independent counsel for the National Crime Agency.

Notable cases

  • R v AR and others – prosecuting a serious s.18 offence where the driver of a vehicle inflicted injuries to a man using his car following a minor collision between two vehicles in a car park. The passengers in the vehicle were also convicted of causing serious injury by dangerous driving for their actions in the vehicle.
  • R v CS and others – representing the third defendant in a conspiracy to supply class A drugs.
  • R v CW and JB – representing the second defendant in a case arising out of the design and manufacture of a cot, in which a baby died.
  • Youth Court matter – prosecuting a defendant charged with sexual offences on very young complainants, aged just 5 and 7.
  • R v RF – representing the defendant in a burglary matter where the witnesses were all children aged 9, who had to be cross-examined with varying degrees of assistance from an intermediary.

Contact Kirsten’s clerks

Andrew Thornton on 0113 213 5202

Gina Hawkins on 0113 213 5205

Rebecca Wilson on 0113 213 5203

Hannah Dempsey on 0113 213 5211

Elaine Foster-Morgan on 0113 213 5217

Robyn Nichol on 0113 213 5253