Case C-310/14: Judgment of the Court (Sixth Chamber) of 15 October 2015 (request for a preliminary ruling from the Helsingin hovioikeus — Finland) — Nike European Operations Netherlands BV v Sportland Oy, in liquidation (Reference for a preliminary ruling — Regulation (EC) No 1346/2000 — Articles 4 and 13 — Insolvency proceedings — Detrimental legal acts — Action for restitution of payments made before the date on which insolvency proceedings were opened — Law of the Member State in which insolvency proceedings were opened — Law of the Member State governing the legal act at issue — Law not allowing ‘any means of challenging that act in the relevant case’ — Burden of proof)