| Espacenet service | Language of the interface & link |
|---|---|
| EPO Espacenet | English |
| German | |
| French | |
| European Commission Espacenet | English |
| German | |
| French | |
| EPO member states | |
| Austria | German |
| English |
|
| Belgium | English |
| French | |
| Dutch | |
| German | |
| Bulgaria | English |
| Bulgarian | |
| Croatia | Croatian |
| Cyprus | English |
| Greek | |
| Czech Republic | Czech |
| Denmark | Danish |
| Estonia | Estonian |
| Finland | Finnish |
| Swedish | |
| France | French |
| Germany | German The DPMA have decided to substitute Espacenet with their own patent information system, DEPATIS. |
| Hellenic Republic | Greek |
| English | |
| Hungary | Hungarian |
| Iceland | Icelandic |
| Ireland | English |
| Italy | Italian |
| Lithuania | Lithuanian |
| Luxembourg | French |
| *Latvia | Latvian |
| Monaco | French |
| Netherlands | Dutch |
| Poland | Polish |
| Portugal | Portuguese |
| Romania | Romanian |
| English | |
| Slovakia | Slovakian |
| Slovenia | Slovenian |
| Spain | Spanish |
| Sweden | Swedish |
| English | |
| Switzerland |
The Swiss data are hosted in the worldwide database. French |
| German | |
| French | |
| Turkey | Turkish |
| United Kingdom | English |
| Other databases | |
| Eurasian Patent Office (EAPO) | Russian |
| Latin American countries | Spanish |
| Portuguese | |
| English | |
| Rospatent | Russian |