Case T-259/18: Judgment of the General Court of 28 March 2019 — Zakłady Chemiczne ‘Siarkopol’ Tarnobrzeg v EUIPO — EuroChem Agro (Unifoska) (EU trade mark — Opposition proceedings — Application for the EU word mark Unifoska — Earlier EU word mark NITROFOSKA — Relative ground for refusal — Likelihood of confusion — Article 8(1)(b) of Regulation (EU) 2017/1001)