Third-party observations

Third-party observations may be submitted using an online form which has been designed to help you formulate your observations in a structured and concise manner.

The form is also accessible via the European Patent Register.

Direct access

Access the third-party observations form

Printable notes for users of the third-party observations form

Getting started

Notice from the European Patent Office dated 5 July 2017 concerning the filing and processing of third-party observations under Article 115 EPC (OJ EPO 2017, A86)
Decision of the President of the European Patent Office dated 10 May 2011 concerning the filing of third-party observations under Article 115 EPC by means of an online form (PDF, 35 KB)