Judgment of the Court (Tenth Chamber) of 8 October 2020.#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.#Case C-456/19.