patent dbWorldwidefree
EPO Espacenet
- Purpose
- The EPO's free worldwide patent search — the first stop for most prior-art searches.
- Coverage
- 150+ million documents from 100+ countries; bibliographic data, abstracts, images, patent families, legal status (INPADOC), classification search (CPC).
- Access conditions
- Free
- Region
- Worldwide
- Link
- https://worldwide.espacenet.com/
- Review date
- 29 Oct 2026
- Link check
- Reachable when checked on 28 Oct 2026
- Tags
- patents, families, cpc