Case C-702/19 P: Judgment of the Court (Ninth Chamber) of 22 October 2020 — Silver Plastics GmbH & Co. KG, Johannes Reifenhäuser Holding GmbH & Co. KG v European Commission (Appeal — Competition — Agreements, decisions and concerted practices — Retail food packaging market — Decision finding an infringement of Article 101 TFEU — Regulation (EC) No 1/2003 — Article 23 — Article 6 of the European Convention on Human Rights — Fundamental right to a fair trial — Principle of equality of arms — Right ‘to an examination in person’ — Hearing of witnesses — Statement of reasons — Single and continuous infringement — Upper limit of fine)