Judgment of the General Court (Single Judge) of 30 June 2021.#Wolf Oil Corp. v European Union Intellectual Property Office.#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.#Case T-531/20.