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
2.Unity in the context of different types of claims
3.Assessing lack of unity of invention
4.Criteria for determining lack of unity
5.The single general inventive concept
6.Plurality of inventions – further search fees