Catherine Duffy

Year of call 2003


Practice Summary

Catherine is a determined, dedicated and hardworking advocate who will always strive to achieve the best possible outcome for her lay and professional clients. Her approach to evidence is both thorough and meticulous and she is known for being an approachable advocate who will take time with her clients and will give clear, considered and concise advice.

Catherine excels in serious crime work. She is a very experienced advocate who is regularly led by both Silk and Junior Counsel. Catherine has conduct of cases involving conspiracy to supply drugs offences and large scale public disorder matters. She has advised on numerous appeal cases and successfully appeared at the Court of Appeal on a number of occasions. 

Catherine has extensive experience of cases involving defendants suffering with serious mental health difficulties and vulnerable witnesses. She is meticulous in her approach to evidence and is skilled at handling voluminous cases and cases involving electronic evidence. Catherine is experienced in dealing with public interest immunity applications and cases requiring Preston briefings where the use of intercept product must be considered.

Catherine ensures that she is always up to date with the most recent case law and legal developments and regularly writes articles and legal blog posts. Outside of work Catherine enjoys running, travel and food.

Areas of Expertise

·         Murder;

·         Serious violence;

·         Sexual offences;

·         Drug offences;

·         Fraud and dishonesty offences;

·         Cruelty to children;

·         Public order offences;

·         Confiscation proceedings (Proceeds of Crime Act);

·         Criminal Injuries Compensation Authority claims.

Notable Cases

Murder/Serious Violence Offences

R v Dormer - Murder - Prosecution junior counsel - successfully prosecuted a female charged with the murder of her male partner.

R v Kalka – Causing Grievous Bodily Harm with intent

R v Castree - Junior prosecution counsel in case concerning the murder of an 11 year old child in 1975, following the wrongful conviction and successful appeal of Stefan Kiszko (V.H.C.C). A high profile case with national media coverage.

R v Majid – Defence Junior in a multi handed violent disorder. Successful submission of no case to answer.

Serious Sexual Offences

R v E - Section 28 case - prosecuting a 16 year old boy charged with sexual assault of a 9 year old girl.

R v Mumford - Defendant charged with historic sexual offences

R v Marr - Rape - 2 complainants, who both gave evidence via the video link. Oral evidence given by the forensic scientist and medical expert.

Conspiracy and Drugs Offences

Operation Railbird - Conspiracy to supply class A drugs - Prosecution junior counsel, prosecuting 11 defendants. The case involved over 90,000 pages of written evidence, undercover surveillance and telephone evidence.

Operation Yesler - Led Prosecution Junior in multi handed conspiracy to defraud Western Union of funds totalling just under £300,000 over a 3 month period.

R v Tempski - Defence counsel in conspiracy to import over 10 million cigarettes into the UK and evade VAT to the tune of £2 million.

R v Ali and Ishaq – Successfully prosecuted 2 men charged with possessing class A drugs with intent to supply. A confiscation order was made with a benefit figure in the sum of approximately £900,000.

R v Farooq - Prosecuting a case of supplying drugs; possession with intent to supply; and being concerned in the supply of drugs where the key prosecution evidence came from Test Purchase Officers. Issues of public interest immunity; disclosure and witness anonymity orders had to be considered.

Fraud and Theft Offences

R v Henderson - Defending a multi-handed conspiracy to defraud.

R v Windass - Defending a multi-handed theft from employer.

Other Crime

R v Nutter and others – Defending a young man charged with aggravated burglary, the prosecution agreed to offer no evidence at trial.

R v Nightingale - Possession of a firearm (loaded sworn off shotgun). Minimum term sentence provisions applied. 

R v Bainbridge - Prosecuting a female charged with perverting the course of justice after making a false allegation of serious sexual assault against a police officer.

R v Pepper - Defending a father charged with 2 counts of child cruelty relating to his own children.

R v McGhie - Prosecuting a female charged with assaulting her 3 year old son and thereby occasioning him actual bodily harm.

Catherine Duffy


By Catherine Duffy

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