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Doughty Street Chambers

Work 020 7404 1313
Fax 020 7404 2283
Bristol, London, Manchester

Piers Marquis

Work 020 7404 1313
Doughty Street Chambers (Doughty Street Chambers)

Work Department

Crime, inquests, courts martial.


A specialist and committed defender with an exclusively defence criminal practice. He has extensive experience of serious and complex crime. Recent briefs have included allegations of murder, rape, armed robbery, drugs importation and large scale fraud. He is regularly instructed in cases involving Trident investigations of gang related murders and firearms related violence as well as multi-handed cash in transit robberies. Piers also specialises in criminal work with a civil liberties dimension; with a particular emphasis on freedom of expression and the right to protest. He regularly defends animal rights activists, hunt saboteurs/monitors, environmental and anti-arms trade protestors and was instructed in a large number of the Fathers4Justice cases. He was leading counsel in the successful defence of one of the ‘Sequani Six’ defendants, in what has been said to be the longest running animal rights trial in British legal history and the first effective trial under s145 of the Serious Organised Crime and Police Act 2005. He was also recently instructed to defend allegations of terrorism offences and soliciting murder in relation to a Terrorist Squad prosecution of ‘domestic terrorism’.


Called to the bar in 2001 having previously worked for many years in the criminal department of a Midlands based solicitors’ firm.


University of Warwick (BA Hons, philosophy and literature); University of Nottingham (PGDL); ICSL (BVC).

London Bar

Crime (general crime)

Within: Crime (general crime) – Leading juniors

Piers Marquis - Doughty Street ChambersA born defender, his instincts and loyalties lie firmly with the individual.

Within: Crime (general crime)

Doughty Street Chambers handles a range of work for individuals, with particular strengths in terror-related work and criminal appeals. Tim Moloney QC handles a number of cases involving terror offences, including defending a woman who was convicted of forming a terror plot after striking up a relationship with a man on dating website. Piers Marquis defended a prisoner, who was acquitted of murder on charges regarding the stabbing to death of an inmate; the defendant’s case was that due to a state of anarchy in the prison he had to protect himself by arming himself with a knife.

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