

Hanna Sianko
Associate Partner
Hanna Sianko is an Associate Partner who combines human rights law with hands-on extradition defence. She holds a Master’s degree from the London School of Economics, where she focused on human rights violations, and has practical experience at a Community Legal Advice Centre in London. Hanna challenges extradition requests by demonstrating violations of fundamental rights — an approach that has proved effective before the ECHR and in domestic courts across multiple jurisdictions.
Key Areas of Expertise
- Resisting extradition on human rights grounds (Article 3, Article 6 ECHR)
- Applying to the ECHR for interim measures to suspend extradition
- Challenging dual criminality and specialty rule compliance in extradition proceedings
- Analysing extradition treaty gaps to identify viable non-extradition routes
- Advising on asylum and refugee status as a bar to extradition
Why Clients Choose This Lawyer
- Rare combination of ECHR human rights expertise and criminal extradition practice
- Experience across UK, US, and continental European legal systems
- Track record of blocking extradition using procedural and rights-based arguments
- Methodical case analysis that uncovers overlooked grounds for resistance



