Judgment of the Court (Fourth Chamber) of 27 March 2019.#Proceedings brought by Oy Hartwall Ab.#Request for a preliminary ruling from the Korkein hallinto-oikeus.#Reference for a preliminary ruling — Approximation of laws — Trade marks — Directive 2008/95/EC — Articles 2 and 3(1)(b) — Refusal to register or invalidity — Assessment of distinctive character by reference to the actual situation — Classification of a trade mark — Effect — Colour mark or figurative mark — Graphic representation of a mark submitted as a figurative mark — Conditions for registration — Insufficiently clear and precise graphic representation.#Case C-578/17.