| Typicality: | 0.335 |
| Saliency: | 0.201 |
| to an existing invention | 4 | other |
| patent → be obtained for → new and useful improvement | 9 |
| patent → cover → new and useful improvement | 3 |
| negative | neutral | positive |
| 0.027 | 0.634 | 0.339 |
| Raw frequency | 12 |
| Normalized frequency | 0.201 |
| Modifier score | 0.500 |
| Perplexity | 22.172 |