Case C-519/19: Judgment of the Court (First Chamber) of 18 November 2020 (Request for a preliminary ruling from the Sąd Okręgowy w Warszawie — Poland) — Ryanair DAC v DelayFix, formerly Passenger Rights (Reference for a preliminary ruling — Judicial cooperation in civil and commercial matters — Regulation (EU) No 1215/2012 — Contract of transport by air — Jurisdiction clause agreed to by the passenger as a consumer — Claim made by the passenger against the airline — Assignment of that claim to a collection agency — Enforceability of the jurisdiction clause by the airline against the assignee company of that passenger’s claim — Directive 93/13/EEC)