Validation EU Patents - Translation Requirements after Grant
| Country | Contracting State to the London Agreement on the application of Art. 65 EPC? | Translation requirements |
Period for filing translation | Extension possible? |
| Albania | yes no official language in common with one of the official languages of the EPO |
claims into Albanian, specification in English or translated into English |
3 months(1) | yes (1 month) |
| Austria | no | specification into German | 3 months(1) | no |
| Belgium | yes official language in common with one of the official languages of the EPO |
no translation | n.a. | n.a. |
| Bosnia Herzegovina (extension of EPC from 1.12.04) | n.a. | claims into either Bosnian, Croatian or Serbian | 3 months(1) | no |
| Bulgaria | no | specification into Bulgarian | 3 months(1) | no |
| Cambodia (validation of EPC from 1.3.18) | n.a. | claims into Khmer | 3 months(1) | n.a. |
| Croatia | yes no official language in common with one of the official languages of the EPO |
claims into Croatian, if the European patent has been granted in French or German, a translation into English |
3 months(1) | no |
| Cyprus | no | specification into Greek | 3 months(1) | no |
| Czech Republic | no | specification into Czech | 3 months(1) | yes (3 months) |
| Denmark | yes no official language in common with one of the official languages of the EPO |
claims into Danish, if the European patent has been granted in French or German, a translation of the other parts of the European patent into English or Danish |
3 months(1) | no |
| Estonia | no | specification into Estonian | 3 months(1) | yes (2 months) |
| Finland | yes no official language in common with one of the official languages of the EPO |
claims into Finnish - if the European patent has been granted in French or German, a translation into English or Finnish - if the patentee's own language is Swedish, the translation may be filed in Swedish |
3 months(1) | no |
| France | yes official language in common with one of the official languages of the EPO |
no translation | n.a. | n.a. |
| Germany | yes official language in common with one of the official languages of the EPO |
no translation | n.a. | n.a. |
| Greece | no | specification into Greek | 3 months(1) | no |
| Hungary | yes no official language in common with one of the official languages of the EPO |
claims into Hungarian, if the European patent has been granted in French or German, a full translation into English or Hungarian |
3 months(1) | yes (3 months) |
| Iceland | yes no official language in common with one of the official languages of the EPO |
claims into Icelandic, other parts of the European patent must be supplied in Icelandic or English |
4 months(1) | no |
| Ireland | yes official language in common with one of the official languages of the EPO |
no translation | n.a. | n.a. |
| Italy | no | specification into Italian | 3 months(1) | yes (2 months) |
| Latvia | yes no official language in common with one of the official languages of the EPO |
claims into Latvian | 3 months(1) | no |
| Liechtenstein |
see Switzerland
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| Lithuania | yes no official language in common with one of the official languages of the EPO |
claims into Lithuanian | 3 months(1) | no |
| Luxembourg | yes official language in common with one of the official languages of the EPO |
no translation | n.a. | n.a. |
| Malta | no | specification into English | 3 months(1) | no |
| Moldova (validation of EPC from 1.11.15) | n.a. | specification into Romanian | 3 months(1) | yes (3 months) |
| Monaco | yes official language in common with one of the official languages of the EPO |
no translation | n.a. | n.a. |
| Montenegro |
no | claims into Montenegrin | 3 months(1) | no |
| Morocco | n.a. | claims into Arabic or French | 3 months(1) | no |
| Netherlands | yes no official language in common with one of the official languages of the EPO |
claims into Dutch, if the European patent has been granted in French or German, a translation into English or Dutch |
3 months(1) | no |
| North Macedonia | yes no official language in common with one of the official languages of the EPO |
claims into Macedonian | 3 months(1) | no |
| Norway | yes no official language in common with one of the official languages of the EPO |
claims into Norwegian, if the European patent was granted in French or German, a translation of the description (including any drawings) and title into either English or Norwegian |
3 months(1) | no |
| Poland | no | specification into Polish | 3 months(1) | no |
| Portugal | no | specification into Portuguese | 3 months(1) | yes (1 month) |
| Romania | no | specification into Romanian | 3 months(1) | yes (3 months) |
| San Marino | no | patent description and claims into Italian | 6 months(1) | no |
| Serbia | no | specification into Serbian | 3 months(1) | no |
| Slovak Republic | no | specification into Slovak | 3 months(1) | yes (3 months) |
| Slovenia | yes no official language in common with one of the official languages of the EPO |
claims into Slovene | 3 months(1) | no |
| Spain | no | specification into Spanish | 3 months(1) | yes (2 months) |
| Sweden | yes no official language in common with one of the official languages of the EPO |
claims into Swedish, if the European patent has been granted in French or German, a translation into English or Swedish |
3 months(1) | no |
| Switzerland | yes official language in common with one of the official languages of the EPO |
no translation | n.a. | n.a. |
| Tunisia (validation of EPC from 1.12.17) | n.a. | claims into Arabic or French | 3 months(1) | no |
| Türkiye | no | specification into Turkish | 3 months(1) | yes (3 months) |
| United Kingdom | yes official language in common with one of the official languages of the EPO |
no translation | n.a. | n.a. |