| Typicality: | 0.448 |
| Saliency: | 0.288 |
| in april | 4 | temporal |
| from the date on the application | 3 | other |
| usually | 3 | temporal |
| patent → have → expiration dates | 9 |
| patent → have → an expiration date | 4 |
| patent → have → expiry | 3 |
| patent → expire after → the date | 3 |
| patent → have → an expiry date | 3 |
| negative | neutral | positive |
| 0.126 | 0.819 | 0.055 |
| Raw frequency | 22 |
| Normalized frequency | 0.288 |
| Modifier score | 0.733 |
| Perplexity | 80.947 |