| Typicality: | 0.530 |
| Saliency: | 0.385 |
| from the date | 7 | temporal |
| usually | 5 | temporal |
| unlike a copyright | 2 | other |
| patent → expire after → 20 years | 26 |
| patent → expire in → 20 years | 9 |
| patent → end → 20 years | 5 |
| patent → expire after → twenty years | 3 |
| negative | neutral | positive |
| 0.215 | 0.668 | 0.117 |
| Raw frequency | 43 |
| Normalized frequency | 0.385 |
| Modifier score | 0.857 |
| Perplexity | 20.913 |