Random triples
| Subject | Object |
|---|---|
| gptkb:US_patent_system | 20 years from filing date (utility and plant patents) |
| gptkb:United_States_patent_system | 20 years from filing date (utility and plant) |
| gptkb:U.S._patent_system | 15 years for design patents |
| gptkb:United_States_patent_system | 15 years from grant date (design) |
| gptkb:U.S._patent_system | 20 years for utility and plant patents |
| gptkb:Patent_Act_of_1790 | up to 14 years |
| gptkb:US_patent_system | 15 years from grant date (design patents) |