Case C-456/19: Judgment of the Court (Tenth Chamber) of 8 October 2020 (request for a preliminary ruling from the Svea hovrätt, Patent- och marknadsöverdomstolen — Sweden) — Aktiebolaget Östgötatrafiken v Patent- och registreringsverket (Reference for a preliminary ruling — Trade marks — Directive 2008/95/EC — Article 3(1)(b) — Signs of which a trade mark may consist — Distinctive character — Application for registration as a trade mark of a sign in respect of a service, consisting of motifs of colour and intended to be affixed to goods used to provide that service — Assessment of the distinctive character of that sign — Criteria)