Case T-531/20: Judgment of the General Court of 30 June 2021 — Wolf Oil v EUIPO — Rolf Lubricants (ROLF) (EU trade mark — Opposition proceedings — International registration designating the European Union — Figurative mark ROLF — Earlier international mark Wolf — Relative ground for refusal — Likelihood of confusion — Article 8(1)(b) of Regulation (EC) No 207/2009 (now Article 8(1)(b) of Regulation (EU) 2017/1001) — Obligation to state reasons — Right to be heard)