Case T-856/19: Judgment of the General Court of 2 June 2021 — Franz Schröder v EUIPO — RDS Design (MONTANA) (EU trade mark — Invalidity proceedings — International registration designating the European Union — Word mark MONTANA — Absolute ground for refusal — Descriptiveness — Article 7(1)(c) of Regulation (EC) No 40/94 (now Article 7(1)(c) of Regulation (EU) 2017/1001) — Right to be heard — Article 94(1) of Regulation 2017/1001 — Examination of the facts by EUIPO of its own motion — Admission of evidence submitted for the first time before the Board of Appeal — Article 95(1) and (2) of Regulation 2017/1001)