| for indefiniteness | 56 | cause |
| for obviousness | 44 | cause |
| under 35 u.s.c. ยง | 43 | other |
| patent → be → invalid | 2781 |
| patent → be held → invalid | 161 |
| patent → be deemed → invalid | 39 |
| patent → be considered → invalid | 13 |
| patent → be deemed to be → invalid | 5 |
| patent → be invalid to → begin | 5 |
| patent → be determined to be → invalid | 4 |
| patent → be believed to be → invalid | 3 |
| patent → be held to be → invalid | 3 |
| negative | neutral | positive |
| 0.420 | 0.540 | 0.040 |
| Raw frequency | 3014 |
| Normalized frequency | 1.000 |
| Modifier score | 0.815 |
| Perplexity | 151.601 |