Access our patent databases and search tools.
Go to overview
Learn about the Unitary Patent in patent knowledge products and services
Practical information on filing and grant procedures.
European patent law, the Official Journal and other legal texts.
Our latest news, podcasts and events, including the European Inventor Award.
Listen to our podcast
The e-Academy – the point of access to your learning
Boost your IP knowledge with (e-)training from the European Patent Academy
Find out more about our work, values, history and vision
Patent Index 2022
The "prior art" for the purposes of considering inventive step is as defined in Art. 33(3).
In determining what is to be considered prior art, the principles laid down in GL/PCT‑EPO G‑IV apply.