Case C-246/09: Judgment of the Court (Second Chamber) of 8 July 2010 (reference for a preliminary ruling from the Landesarbeitsgericht Hamburg (Germany)) — Susanne Bulicke v Deutsche Büro Service GmbH (Directive 2000/78/EC — Articles 8 and 9 — National procedure for the enforcement of obligations under the Directive — Period within which a claim must be lodged — Principles of equivalence and effectiveness — Principle of non-reduction of an earlier level of protection)