Case T-261/19: Judgment of the General Court of 20 January 2021 — Stada Arzneimittel v EUIPO — Optima Naturals (OptiMar) (EU trade mark — Opposition proceedings — Application for the EU figurative mark OptiMar — Earlier national word mark Mar — Relative ground for refusal — No likelihood of confusion — Article 8(1)(b) of Regulation (EC) No 207/2009 (now Article 8(1)(b) of Regulation (EU) 2017/1001))