Third-party observations
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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)