| for lack of written description | 16 | cause |
| in light of the prior art | 10 | other |
| on any ground | 8 | location |
| claim → be → invalid | 159 |
| claim → be held → invalid | 12 |
| claim → be → invalidated | 8 |
| claim → be declared → invalid | 3 |
| negative | neutral | positive |
| 0.443 | 0.528 | 0.030 |
| Raw frequency | 182 |
| Normalized frequency | 0.751 |
| Modifier score | 0.825 |
| Perplexity | 144.368 |