Question juridique clé
Whether the appeal was admissible despite the missing signature on the filing.
Solution extraite
The appeal could not be considered because the defect was not cured within the time limit set under Art. 42(5) BGG.
Motifs extraits
Swiss procedural rules require a signature. After the appellant was ordered to remedy the omission by 22 June 2012 and warned of non-consideration, he failed to comply; therefore non-entry followed under Art. 108 BGG.