Case T-588/19: Judgment of the General Court of 24 March 2021 — Novomatic v EUIPO — adp Gauselmann (Power Stars) (EU trade mark — Revocation proceedings — EU figurative mark Power Stars — Partial revocation declaration — Partial lack of genuine use — Proof of genuine use — Article 51(1)(a) and (2) of Regulation (EC) No 207/2009 (now Article 58(1)(a) and (2) of Regulation (EU) 2017/1001) — Obligation to state reasons — Article 75(1), first sentence, of Regulation No 207/2009 (now Article 94(1), first sentence, of Regulation 2017/1001) — Right to be heard — Article 75(1), second sentence, of Regulation No 207/2009 (now Article 94(1), second sentence, of Regulation 2017/1001)