Case C-443/07 P: Judgment of the Court (Second Chamber) of 22 December 2008 — Isabel Clara Centeno Mediavilla, Delphine Fumey, Eva Gerhards, Iona M. S. Hamilton, Raymond Hill, Jean Huby, Patrick Klein, Domenico Lombardi, Thomas Millar, Miltiadis Moraitis, Ansa Norman Palmer, Nicola Robinson, François-Xavier Rouxel, Marta Silva Mendes, Peter van den Hul, Fritz Von Nordheim Nielsen, Michaël Zouridakis v Commission of the European Communities, Council of the European Union (Appeal — Staff Regulations of officials — Plea of illegality of Article 12(3) of Annex XIII on the classification of officials recruited after 1 May 2004 — Consulting of the Staff Regulations Committee — No infringement of acquired rights or of the principle of equal treatment)