Joined Cases C-529/18 P and C-531/18 P: Judgment of the Court (Third Chamber) of 24 March 2022 — PJ v European Union Intellectual Property Office (EUIPO), Erdmann & Rossi GmbH (C-529/18 P), PC v PJ, European Union Intellectual Property Office (EUIPO), Erdmann & Rossi GmbH (C-531/18 P) (Appeal — Principles of EU law — Article 19 of the Statute of the Court of Justice of the European Union — Representation of parties in direct actions before the Courts of the European Union — Lawyer representing the applicant as a third party — Requirement of independence — Lawyer working as an associate in a law firm — Article 47 of the Charter of Fundamental Rights of the European Union)