Case C-124/18 P: Judgment of the Court (Tenth Chamber) of 29 July 2019 — Red Bull GmbH v European Union Intellectual Property Office (EUIPO), Marques, Optimum Mark sp. z o.o. (Appeal — EU trade mark — Regulation (EC) No 207/2009 — Article 4 and Article 7(1)(a) — Absolute ground for refusal — Invalidity proceedings — Combination of two colours per se — No systematic arrangement associating the colours in a predetermined and uniform way)