Case C-53/11 P: Judgment of the Court (Second Chamber) of 19 January 2012 — Office for Harmonisation in the Internal Market (Trade Marks and Designs) (OHIM) v Nike International Ltd, Aurelio Muñoz Molina (Appeal — Community trade mark — Regulation (EC) No 40/94 — Article 58 — Regulation (EC) No 2868/95 — Rules 49 and 50 — Word mark R10 — Opposition — Assignment — Admissibility of an appeal — Concept of ‘person entitled to appeal’ — Applicability of the OHIM Guidelines)