Case T-226/17: Judgment of the General Court of 11 April 2019 — Adapta Color v EUIPO — Coatings Foreign IP (Rustproof System ADAPTA) (EU trade mark — Invalidity proceedings — European Union word mark Rustproof system ADAPTA — Partial declaration of invalidity by the Board of Appeal — Absolute grounds for refusal — Descriptive character — Article 7(1)(c) of Regulation (EC) No 207/2009 (now Article 7(1)(c) of Regulation (EU) 2007/1001) — No distinctive character acquired by use — Article 7(3) of Regulation No 207/2009 (now Article 7(3) of Regulation 2017/1001) — Infringement of the right to be heard — Obligation to state reasons — Article 75 of Regulation No 207/2009 (now Article 94 of Regulation 2017/1001) — Evidence submitted for the first time before the Court)