Compute terms for invention patents, utility models, designs and trademarks.
| Item | Legal Basis | Key Point |
|---|---|---|
| Patent term | Patent Law of the PRC (2021 rev.), Art. 42 | Invention 20 yrs; utility model 10; design 15, from filing date |
| Trademark rights | Trademark Law of the PRC, Art. 39 / 40 | Valid 10 years; renewable every 10 years |
| Copyright term | Copyright Law of the PRC, Art. 23 | Natural author: life + 50 yrs; corporate works: 50 yrs from publication |