Case T-830/16: Judgment of the General Court of 13 December 2018 — Monolith Frost v EUIPO — Dovgan (PLOMBIR) (EU trade mark — Invalidity proceedings — EU word mark PLOMBIR — Absolute ground for refusal — Descriptive character — Article 7(1)(c) of Regulation (EC) No 207/2009 (now Article 7(1)(c) of Regulation (EU) 2017/1001) — Examination of the facts — Article 76(1) of Regulation No 207/2009 (now Article 95(1) of Regulation 2017/1001) — Evidence submitted for the first time before the General Court)