| protect invention | 0.73 |
| average 2.7 inventors p… | 0.68 |
| disclose utilitarian ad… | 0.51 |
| protect machine | 0.45 |
| protect composition of … | 0.43 |
| provide protection | 0.43 |
| expire after 20 years | 0.40 |
| protect functionality | 0.38 |
| cover machine | 0.34 |
| cover invention | 0.34 |
| More » |
| a term of 20 years | 0.69 |
| number | 0.25 |
| valid | 0.67 |
| the most common | 0.45 |
| patent | 0.41 |
| strong evidence | 0.38 |
| granted | 0.77 |
| issued | 0.65 |
| subject to the payment … | 0.54 |
| granted for machine | 0.51 |
| issued for plant | 0.30 |
| obtained for manufacture | 0.25 |
| obtained for compositio… | 0.25 |