4.1. Eurojust tools and support for judicial cooperation instruments in 2025

Eurojust has a well-developed practical set of tools to support cross-border investigations. Coordination meetings, coordination centres and support for JITs are offered to practitioners in investigations that require the higher-level cooperation they provide.

Eurojust has also gained and continues to build significant expertise in the use of European and international judicial cooperation instruments.

From the European Arrest Warrant, established in law in 2002 – the same year as Eurojust – to the new European e-evidence legislation entering into application in 2026, the Agency provides expertise to support national prosecutors and other investigators.

This includes support for:

• European Investigation Orders (in 48.1% of Eurojust cases open in 2025),
• mutual legal assistance requests (29.7%),
• European Arrest Warrant (7.4%) and further issues of extradition,
• freezing and confiscation orders (5.2%),
• issues of conflicts of jurisdiction, ne bis in idem and transfers of proceedings (at least 4.3%),
• and a growing number of transfers of sentenced persons.

Eurojust, based on its casework, retains and shares knowledge of recurring issues that complicate the use of judicial instruments, as well as best practices to address them. The Agency also monitors the case-law of the European Court of Justice and the European Court of Human Rights to advise national prosecutors.

The expertise built this way can ensure smooth execution of judicial cooperation instruments, prevent conflicts of jurisdiction or ensure that evidence is collected in a manner admissible in court. This work of Eurojust is unique: there is no other European body or agency with such expertise in EU law on judicial cooperation in criminal matters that can offer this kind of practical support to getting justice done in cross-border cases.