Case T-276/18: Judgment of the General Court of 28 March 2019 — Julius-K9 v EUIPO — El Corte Inglés (EU trade mark — Opposition proceedings — Application for EU figurative mark K9 UNIT — Earlier EU figurative mark unit — Relative ground for refusal — Likelihood of confusion — Article 8(1)(b) of Regulation (EU) 2017/1001)