Case T-369/20: Judgment of the General Court of 21 December 2021 –EFFAS v EUIPO — CFA Institute (CEFA Certified European Financial Analyst) (EU trade mark — Opposition proceedings — Application for the EU word mark CEFA Certified European Financial Analyst — Earlier EU word mark CFA — Relative ground for refusal — Article 8(1)(b) of Regulation (EC) No 207/2009 (now Article 8(1)(b) of Regulation (EU) 2017/1001))