| based on several prior art references | 3 | other |
| from the defendant’s letter | 3 | other |
| claim → be → obvious | 10 |
| claim → be → evident | 4 |
| negative | neutral | positive |
| 0.287 | 0.655 | 0.058 |
| Raw frequency | 14 |
| Normalized frequency | 0.262 |
| Modifier score | 0.000 |
| Perplexity | 477.093 |