Judgment of the Court of First Instance of 23 October 2002 in Case T-388/00: Institut für Lernsysteme GmbH v Office for Harmonisation in the Internal Market (Trade Marks and Designs) (OHIM) (Community trade mark — Opposition procedure — Earlier figurative mark containing the acronym ILS — Application for Community word mark ELS — Proof of use of earlier mark — Article 43(2) and (3) of Regulation (EC) No 40/94 and Rule 22 of Regulation (EC) No 2868/95 — Relative ground for refusal — Article 8(1)(b) of Regulation (EC) No 40/94 — Statement of reasons)