Question juridique clé
Whether the appeal met the special-importance requirement under Art. 84 LTF
Solution extraite
The case did not present a special importance; the appeal could not be heard on the merits.
Motifs extraits
The requested transfer concerned secret-domain information, but the nature of the transmission and the foreign proceedings did not raise a question of principle or any grave defect. The appellants failed to show admissibility grounds under Art. 84 LTF.