Jollyon Robertson is an experienced Leading Junior, appearing on a regular basis in serious criminal cases, including multi-handed cases.
Background and Expertise
Jollyon both Prosecutes and Defends. He has substantial experience at the criminal bar, with over 30 years’ experience in trials in Crown courts across the country, both as a Leading Junior (for 20 years) and as Junior alone.
His cases have included murder, large-scale importation of drugs, kidnapping, false imprisonment, blackmail, recent and historic rape, fraud, money laundering, corruption and armed robbery.
He is highly regarded for his thorough preparation, for his tactical appreciation of case, and for his advocacy skills in court. He is experienced in handling cases which involve vulnerable and young defendants and witnesses.
Jollyon is a Grade 3 prosecutor and on the CPS rape list. He is also a Registered Pupil Supervisor.
In addition to regularly appearing in the Crown Court he has appeared in the Court of Appeal on many occasions. He regularly defends in the Court Martial in the UK (and abroad).
Successful prosecution of four defendants in a 'Crash for Cash' case, In which the defendants had organised an accident on a motorway, involving an unsuspecting 'victim'. The defendants then made a number of high value claims on insurance. - Inner London Crown Court
Successful defence of a historic rape allegation. - Luton Crown Court
Successful prosecution of a number of separate cases involving the street supply of class 'A Drugs' in Central London. All cases arising out of an ongoing Police operation (Including the deployment of undercover officers)
Successful prosecution of historic rape allegations. 22 counts of rape allegations against stepfather ages from 6 to 12 years old.
Successful prosecution of historic rape allegations from older brother (Defendant is now ages 24 - events happened approx. 8 years ago.)
Successful defence of 40 year old allegation by the female defendant on her younger sister. - St Albans Crown Court
Successful defence of an allegation of Attempted Murder. The allegation involved a knife attack in the hours of darkness on the streets. Defendant acquitted. Woolwich Crown Court.
Successful defence of an allegation of Attempted Murder. Truro Crown Court.
Successful prosecution in relation to an extreme offence of Dangerous Driving and Possessing Drugs with Intent to Supply. St Albans Crown Court.
Successful prosecution of Conspiracy to Defraud a bank, and Securing Unauthorised Access to Computer Material with Intent. Inner London Crown Court.
Successful prosecution of two young persons who were involved in a serious attack on an older victim and who sustained life changing injuries. Two week trial. The defendants in the case were said to have videoed the attack, and to have streamed it live to a friend. Inner London Crown Court.
Successful prosecution of the Kidnapping and False Imprisonment of a 14 year old school boy. Croydon Crown Court.
Successful defence of a soldier accused of indecent behaviour towards a 12 year old boy. Young and vulnerable witnesses involved. Court Martial.
Successful prosecution, after four-week trial, of Chief Financial Officer of public company charged with theft of £1m over two years, in breach of trust. Harrow Crown Court.
Read more Notable cases
Homicide and violence cases
Three week case involving 3 defendants and an allegation of a machete attack in which the victim’s arm was all but completely severed. The arrest was for attempted murder, in the end the indictment alleged section 18 wounding with intent. Luton Crown Court.
At a Court Martial trial in Bulford it was alleged that a soldier had made serious threats to other soldiers. It was said that he had threatened to shoot them with a rifle. He was also said to have threatened them with a meat cleaver. The soldier was acquitted of any offence and he was able to return to his unit.
Successful prosecution of an Armed Robbery. The evidence involved comprehensive telephone and cell site schedules. Woolwich Crown Court.
Successful prosecution of Controlling or Coercive Behaviour and Assault. Canterbury Crown Court.
Prosecuting. Defendant determined by psychiatrists unfit to plead or stand trial, over charges of malicious communications (“revenge porn”), stalking, threats to kill and racially aggravated harassment. Difficult “trial of issue” took 10 days and involved substantial issues of fact and law, as well as mental health issues. Harrow Crown Court.
Read more Homicide and violence cases
Sexual offences cases
Represented defendant charged with making threats to kill, assault by penetration and controlling and coercive behaviour. Kingston Crown Court.
Represented defendant. Allegation of sexual assault by a stranger on the victim during the early hours of darkness and on the streets. Portsmouth Crown Court.
Successful defence in a case involving an allegation of Sexual Assault against a soldier who was alleged to have sexually assaulted another soldier’s wife. Court Martial.
Read more Sexual offences cases
Financial crime cases
Confiscation proceedings initially in the sum of half a million pounds, but the total was successfully negotiated down to considerably less than half. Manchester Crown Court.
Counsel for the prosecution in a multi-handed conspiracy to steal high value motorcars. The case involved expert evidence in relation to the electronic ‘relay’ systems used in such thefts, as well as cell site and other telephone evidence. The defendants were convicted.
Counsel for the prosecution in relation to theft of a large sum of money from an ex-police officer. Both defendants were convicted, since when further similar thefts have been investigated which the main defendant has accepted.
Counsel for the prosecution in relation to a bank robbery by 3 males. Two were not arrested. The third was convicted after a 7 day trial. The evidence involved comprehensive events/telephone schedules which were used to demonstrate the movements of each of the robbers before during and after the robbery.
Read more Financial crime cases
Leading Junior for defence in confiscation proceedings where there are said to be substantial hidden assets abroad in a 7 figure sum – arising out of the supply of drugs and controlling prostitution for gain. Harrow Crown Court.
Successful prosecution of a number of cases involving Supply of Class A drugs in the West End of London.
Successfully defended a man in his early 50s on allegations of conspiracy to import Class ‘A’ drugs from the West Indies. The prosecution sought to introduce bad character evidence from the USA. They also adduced comprehensive telephone schedule evidence all of which was undermined in cross-examination at trial.
Leading junior in trial of importation of heroin by low-flying light aircraft under cover of fog. Large bags airdropped in remote location. Advised on experts for defendant in fields of ballistics, aeronautics, radar and satellite/telephones. Canterbury Crown Court.
Read more Drugs cases
Other Activities and Interests
- Ocean racing
- Member of the Honourable Artillery Company
PROFILE: Jollyon Robertson
Confiscation / POCA
Fraud, Bribery & Corruption
Regulatory / Disciplinary
020 7489 2727
BA (Hons) Law, 1979
Criminal Bar Association
CPS Panel (Grade 3)
CPS RASSO Panel
European Human Rights Conference facilitator