Case T-36/09: Judgment of the General Court of 9 September 2011 — dm-drogerie markt v OHIM — Distribuciones Mylar (dm) (Community trade mark — Opposition proceedings — Application for the Community word mark dm — Earlier national figurative mark dm — Administrative procedure — Decisions of the Opposition Divisions — Revocation — Correction of clerical errors — Legally non-existent measure — Admissibility of appeals before the Board of Appeal — Time-limit for filing an appeal — Legitimate expectations — Articles 59, 60a, 63 and 77a of Regulation (EC) No 40/94 (now Articles 60, 62, 65 and 80 of Regulation (EC) No 207/2009) — Rule 53 of Regulation (EC) No 2868/95)