Case T-169/20: Judgment of the General Court of 22 September 2021 — Marina Yachting Brand Management v EUIPO — Industries Sportswear (MARINA YACHTING) (EU trade mark — Proceedings for the revocation of decisions or for the cancellation of entries — Cancellation of an entry in the register which contains an obvious error attributable to EUIPO — Trade mark involved in insolvency proceedings — Registration of the transfer of the mark — Effects vis-à-vis third parties of bankruptcy or similar proceedings — Competence of EUIPO — Duty of diligence — Articles 20, 24, 27 and 103 of Regulation (EU) 2017/1001 — Articles 3, 7 and 19 of Regulation (EU) 2015/848)