Opinion of Advocate General Pitruzzella delivered on 6 March 2019.#Patent-och registreringsverket v Mats Hansson.#Request for a preliminary ruling from the Svea hovrätt, Patent- och marknadsöverdomstolen.#Reference for a preliminary ruling — Trade marks — Directive 2008/95/EC — Article 4(1)(b) — Likelihood of confusion — Overall impression — Earlier trade mark registered with a disclaimer — Effects of such a disclaimer on the extent of protection of the earlier trade mark.#Case C-705/17.