| with three weights | 2 | other |
| patent → be related to → design | 8 |
| patent → describe → design | 4 |
| patent → include → product design | 3 |
| patent → deal with → product design | 3 |
| patent → relate to → the design | 3 |
| negative | neutral | positive |
| 0.200 | 0.558 | 0.241 |
| Raw frequency | 21 |
| Normalized frequency | 0.282 |
| Modifier score | 0.500 |
| Perplexity | 140.645 |