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Justin Johnson criminal barrister london

Justin Johnson

Junior Counsel

CALLED

2020

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Justin has a broad criminal practice and is regularly instructed on cases involving violence, theft, and fraud. 

Prior to joining the Bar, Justin worked in the youth justice field, both in the Civil Service and the charity sector, on issues covering child sexual and child criminal exploitation, homelessness, and resettlement. Justin also gained experience in immigration law where he assisted with a range of applications and appeals for asylum.

Notable Cases

Driving

R v MR, 2023

Defended allegation of being drunk in charge of a vehicle.

R v H, 2023

Defended allegation of dangerous driving involving footage obtained from YouTube of supercar racing on public highways.

Driving
Drugs

R v P, 2025

Defended at sentence in a case of being concerned in the supply of Class A drugs. Client received a suspended sentence order.

R v C, 2024

Defended an appeal against sentence involving a CBO imposed in a case of possession with intent to supply Class A. CBO quashed.

R v SB, 2024

Defended at sentence in a case involving possession and distribution of IIOC committed while the client was a child. SHPO application refused.

R v D, 2023

Defended allegation of cannabis cultivation (estimated value £50,000), raising a section 45 Modern Slavery Act 2015 defence.

Drugs
Extradition

Germany v M, 2025

Acted for the requested person in a case involving Article 8 ECHR.

Romania v G, 2025

Acted for the requested person in an appeal concerning the adequacy of assurances amid evidence of overcrowding and the absence of a statutory complaints mechanism.

Poland v P, 2024

Acted for the requested person in a case engaging Articles 3 and 8 ECHR.

Poland v M, 2024

Acted for the requested person in a case concerning section 20 Extradition Act 2003 and Article 8 ECHR.

Poland v K, 2024

Acted for the requested person in a case involving Article 8 ECHR.

Extradition
General Crime

R v S, 2025

Defended stalking and intimate image allegations. Case involved bad character and disclosure issues.

R v G, 2025

Defended multiple assault allegations involving four complainants arising from a dispute on board an aircraft.

R v A, 2025

Defended allegations of theft and handling stolen goods arising from a care worker–patient relationship.

R v C, 2024

Defended multiple burglary allegations. Case involved a 45 Modern Slavery Act 2015 defence and the use of an intermediary.

R v J, 2024

Defended multiple domestic burglary allegations (value exceeding £35,000), raising a section 45 MSA 2015 defence. Client was a vulnerable unaccompanied minor who had been trafficked to the UK.

R v N, 2023

Defended allegations of criminal damage and threats to kill which arose in the context of an intimate relationship.

R v A, 2023

Defended at sentence in a case involving possession of indecent images of children and breach of a SHPO. Despite similar antecedents, the court accepted submissions that a community penalty was appropriate due to the absence of prior targeted intervention.

Crime
Violence

R v TF, 2025

Prosecuted at sentence in a case involving multiple assaults and GBH in the context of a domestic relationship.

R v U, 2025

Defended multiple allegations of assaulting emergency workers which arose in the context of an unlawful arrest.

R v F, 2025

Defended allegation of GBH arising from a stabbing in multi-occupancy accommodation. Client was mentally vulnerable.

R v H, 2025

Defended allegation of GBH (s.20). Case involved multiple hearsay issues.

R v L, 2024

Defended multiple allegations of child neglect and physical abuse amounting to ABH. Case involved the cross-examination of two child witnesses.

R v N, 2024

Defended multiple allegations of assaulting emergency workers that arose from a disorder involving two groups.

Violence
Youths

R v T, 2024

Defended allegation of possession with intent to supply Class A drugs, raising a 45 Modern Slavery Act 2015 defence.

R v E, 2021

Defended in a multi-handed robbery case. Acquitted following a half-time submission.

Youths

Achievements

Memberships
  • The Honourable Society of the Middle Temple
  • Criminal Bar Association
  • Defence Extradition Lawyers Forum
  • Youth Practitioners Association
  • Young Fraud Lawyers Association
Appointments
  • AG’s ‘Junior Junior’ scheme
  • CPS Panel (Grade 1)
Education
  • Bar Professional Training Course, The City Law School
  • Graduate Diploma in Law, The University of Law
  • Analytical Sciences, The Kingston University