Case C-421/15 P: Judgment of the Court (Fifth Chamber) of 11 May 2017 — Yoshida Metal Industry Co. Ltd v European Union Intellectual Property Office (EUIPO), Pi-Design AG, Bodum France SAS, Bodum Logistics A/S (Appeal — EU trade mark — Registration of signs consisting of a surface with black dots — Declaration of invalidity — Regulation (EC) No 40/94 — Article 7(1)(e)(ii) — Article 51(3))