Case C-402/11 P: Judgment of the Court (Second Chamber) of 18 October 2012 — Jager & Polacek GmbH v Office for Harmonisation in the Internal Market (Trade Marks and Designs) (Appeal — Community trade mark — Opposition — Regulation (EC) No 2868/95 — Rule 18(1) — Legal nature of a communication from OHIM informing a party that an opposition has been found to be admissible — Right to an effective legal remedy)