Case C-237/19: Judgment of the Court (Fifth Chamber) of 23 April 2020 (request for a preliminary ruling from the Kúria — Hungary) — Gömböc Kutató, Szolgáltató és Kereskedelmi Kft. v Szellemi Tulajdon Nemzeti Hivatala (Reference for a preliminary ruling — Trade marks — Directive 2008/95/EC — Refusal or invalidation of registration — Three-dimensional mark — Article 3(1)(e)(ii) and (iii) — Sign consisting exclusively of the shape of goods which is necessary to obtain a technical result — Sign consisting of the shape which gives substantial value to the goods — Consideration of the perception of the relevant public)