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)

We use cookies

We use cookies on our website to support technical features that enhance your user experience.

We also use analytics. Access full information on cookies that we use and how to manage them

Third-party observations

Direct access

Access the third-party observations form

Getting started

Quick Navigation

A step-by-step guide to the grant procedure

Start of new system expected in 2022

Continually updated information for customers, external partners and potential visitors to the EPO.

Search for events and training by topic, date, location or target audience

Patent Index 2021

We use cookies

Contact

Training

Third-party observations

Direct access

Access the third-party observations form

Getting started

Quick Navigation

A step-by-step guide to the grant procedure

Start of new system expected in 2022

Continually updated information for customers, external partners and potential visitors to the EPO.

Search for events and training by topic, date, location or target audience

Patent Index 2021

We use cookies