| Typicality: | 0.522 |
| Saliency: | 0.359 |
| from the date of filing | 9 | temporal |
| from the date | 7 | temporal |
| on condition | 3 | other |
| patent → last → up to 20 years | 14 |
| patent → have → a term of 20 years | 6 |
| patent → have → a duration of 20 years | 4 |
| patent → last for → up to 20 years | 3 |
| patent → have → a lifetime of 20 years | 3 |
| patent → last for → a period of 20 years | 3 |
| patent → have → a life of 20 years | 3 |
| negative | neutral | positive |
| 0.051 | 0.784 | 0.165 |
| Raw frequency | 36 |
| Normalized frequency | 0.359 |
| Modifier score | 0.867 |
| Perplexity | 50.253 |