Question juridique clé
Whether the appeal was filed within the statutory time limit.
Solution extraite
The appeal was filed late because it was lodged more than 30 days after service of the cantonal decision.
Motifs extraits
Under Art. 100(1) BGG, appeals must be filed within 30 days. The contested decision was served on 13 January 2010, while the appeal was posted on 13 February 2010, so the deadline had expired.