 |
| Protection: 571 phrases in 47 subjects |
| Agriculture | 17 |
| Agronomy | 1 |
| Art | 2 |
| Automated equipment | 1 |
| Chemistry | 5 |
| Commerce | 2 |
| Communications | 5 |
| Construction | 95 |
| Cultural studies | 6 |
| Data processing | 1 |
| Economy | 27 |
| Education | 1 |
| Electronics | 1 |
| Entomology | 1 |
| Environment | 87 |
| Finances | 15 |
| Fish farming pisciculture | 1 |
| Forestry | 21 |
| General | 38 |
| Health care | 11 |
| Horticulture | 1 |
| Human rights activism | 47 |
| Immigration and citizenship | 25 |
| Information technology | 6 |
| Law | 32 |
| Life sciences | 4 |
| Marketing | 1 |
| Medical | 1 |
| Microsoft | 17 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |
| Nuclear physics | 4 |
| Obsolete / dated | 13 |
| Patents | 4 |
| Phytophathology | 1 |
| Politics | 23 |
| Procedural law | 9 |
| Research and development | 3 |
| Road works | 1 |
| Security systems | 1 |
| Social science | 5 |
| Sociology | 4 |
| Statistics | 1 |
| Trade unions | 1 |
| Transport | 22 |
| United Nations | 4 |
| Ventilation | 1 |