CELEX:62021CA0628: Case C-628/21, Castorama Polska and Knor: Judgment of the Court (Fifth Chamber) of 27 April 2023 (request for a preliminary ruling from the Sąd Okręgowy w Warszawie — Poland) — TB (Reference for a preliminary ruling — Intellectual property — Directive 2004/48/EC — Measures, procedures and remedies necessary to ensure the enforcement of intellectual property rights — Right of information — Locus standi — Need to establish the existence of an intellectual property right in advance)