| for to obtain an issued patent | 8 | purpose |
| sufficiently | 5 | degree |
| in the united states | 5 | location |
| invention → be → useful | 101 |
| invention → be → valuable | 19 |
| invention → be considered → useful | 4 |
| invention → be → useful process | 3 |
| negative | neutral | positive |
| 0.089 | 0.530 | 0.381 |
| Raw frequency | 127 |
| Normalized frequency | 0.933 |
| Modifier score | 0.900 |
| Perplexity | 368.941 |