A representative pursuant to Article 48(1) of the Agreement shall lodge at the Registry a certificate that he is a lawyer authorised to practise before a court of a Member State of the European Union. A lawyer within the meaning of Article 48(1) of the Agreement is a person who is authorised to pursue professional activities under a title referred to in Article 1 of Directive 98/5/EC and by way of exception a person with equivalent legal professional qualifications who, owing to national rules, is permitted to practice in patent infringement and invalidity litigation but not under such title. In subsequent actions the representative may refer to the certificate previously lodged.

A representative pursuant to Article 48(2) of the Agreement shall lodge at the Registry the European Patent Litigation Certificate as defined by the Administrative Committee or otherwise justify that he has appropriate qualifications to represent a party before the Court. In subsequent actions such representative may refer to the certificate or other evidence of appropriate qualification previously lodged.