Case T-640/13: Judgment of the General Court of 28 January 2016 — Sto v OHIM Fixit Trockenmörtel Holding (CRETEO) (Community trade mark — Opposition proceedings — Application for Community word mark CRETEO — Earlier national word marks StoCretec and STOCRETE — Relative ground for refusal — Distinctive character acquired through use — Likelihood of confusion — Article 8(1)(b) of Regulation (EC) No 207/2009)