Case C-367/17: Judgment of the Court (First Chamber) of 19 December 2018 (request for a preliminary ruling from the Bundespatentgericht — Germany) — S v EA, EB, EC (Reference for a preliminary ruling — Agriculture — Regulation (EC) No 510/2006 — Article 4(2)(e) — Regulation (EU) No 1151/2012 — Article 7(1)(e) — Protection of geographical indications and designations of origin — Application to amend the product specification — Ham originating from the Black Forest, Germany (‘Schwarzwälder Schinken’) — Requirements to package in the area of production — Applicability of Regulation (EC) No 510/2006 or of Regulation (EU) No 1151/2012)