Case T-3/21: Judgment of the General Court of 6 October 2021 — Power Horse Energy Drinks v EUIPO — Robot Energy Europe (UNSTOPPABLE) (EU trade mark — Invalidity proceedings — EU word mark UNSTOPPABLE — Absolute grounds for refusal — Distinctive character — Article 7(1)(b) of Regulation (EC) No 207/2009 (now Article 7(1)(b) of Regulation (EU) 2017/1001) — Lack of descriptive character — Article 7(1)(c) of Regulation No 207/2009 (now Article 7(1)(c) of Regulation 2017/1001))