Case T-284/12: Judgment of the General Court of 16 September 2013 — Oro Clean Chemie v OHIM (PROSEPT) (Community trade mark — Opposition proceedings — Application for Community word mark PROSEPT — Earlier national word mark Pursept — Relative ground for refusal — Likelihood of confusion — Similarity of the signs — Article 8(1)(b) of Regulation (EC) No 207/2009 — Rights of defence — Article 75 of Regulation No 207/2009)