Jonathan Swain

Practice Areas

Jonathan is a specialist extradition barrister. He regularly appears at Westminster Magistrates’ Court and on appeal at the High Court, where he represents requested persons and issuing authorities. He is a regular contributor to CrimeLine’s Extradition Hub and has written extensively about the changes to extradition following Brexit. He has complementary experience in Mutual Legal Assistance, including sentence transfers.

He also undertakes work for the GLD as part of the Attorney General’s civil panel, including advising on unlawful detention cases and matters arising out of Covid19 regulations.

Reported cases include:

• Szentak v Poland [2023] EWHC 1596 (Admin)

• Bobirnac v Romania [2023] EWHC 479 (Admin)

• Stefanov v Italy [2023] EWHC 463 (Admin)

• Delik v Poland [2022] EWHC 785 (Admin)

• Feraru v Swedish Judicial Authority [2022] EWHC 400 (Admin)

• Antochi v Germany [2020] EWHC 3092 (Admin)

• Dziel v Poland [2019] EWHC 351 (Admin)

• De Zorzi [2019] EWHC 2062 (Admin)

• Konency v Poland [2019] UKSC 8

Publications on CrimeLine’s Extradition Hub:

• ‘Lies, damn lies, and statistics: what do the extradition numbers really tell us?’

• ‘Anonymity in extradition proceedings’

• ‘Extradition to the EU-27 under the UK/EU Trade & Cooperation Agreement: similarities and ten key differences’

• 'Looking beyond the transition period: will there be surrender?'

• 'All Change, Please: Post-Brexit extradition and beyond '

Professional Memberships

• DELF

• Criminal Bar Association

• CPS Extradition Panel grade 3

• CPS General Crime Panel Grade 2

• Attorney General’s Civil Panel (C)