Case C-301/18: Judgment of the Court (Sixth Chamber) of 4 June 2020 (request for a preliminary ruling from the Landgericht Bonn — Germany) — Thomas Leonhard v DSL-Bank — a branch of DB Privat- und Firmenkundenbank AG (Reference for a preliminary ruling — Consumer protection — Directive 2002/65/EC — Distance loan agreement — Right of withdrawal — Consequences — Article 7(4) — Return of the services received — Payment of compensation for benefit of use — Supplier’s obligation — Precluded)