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

  • 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
  • Notice from 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 

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