| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | patento | patentoj |
| Accusative | patenton | patentojn |
| Czech | patent |
|---|---|
| Danish | patent |
| Dutch | octrooi; patent |
| English | patent |
| German | Patent |
| Saterland Frisian | Patent |
| Spanish | patente |
| Swedish | oktroj; patent |
| Turkish | berat |
| West Frisian | oktroai; patint |