Conflicts of Jurisdiction in Criminal Proceedings – Preconditions and Possible Solutions

The article examines issues, related to the conflicts of jurisdiction in criminal proceedings within the European area, where several countries simultaneously have the competence to conduct a criminal prosecution of the same facts. There have been studied several international legal instruments, postulating the compliance with the Ne bis in idem principle, respectively the prohibition of a second judgment towards the same person and for the same act. Discussed are various preconditions for conflicts of jurisdiction in criminal matters and possible solutions, according to the existing legal mechanisms in this field.