| Date of Enforcement | 26-Dec-86 | 23-Jan-94 | January 1, 2002 (Taiwan joined WTO) | 26-Oct-01 | 1-Jul-04 |
| Invention | 15 years starting from publication date but not exceeding 18 years from application date | 20 years starting from application date | 20 years starting from application date | 20 years starting from application date | 20 years starting from application date |
| Utility Model | 10 years starting from publication date but not exceeding 12 years from application date | 12 years starting from application date | 12 years starting from application date | 12 years starting from application date | 10 years starting from application date |
| Design | 5 years starting from publication date but not exceeding 6 years from application date | 10 years starting from application date | 12 years starting from application date | 12 years starting from application date | 12 years starting from application date |
