20 years
25 years
- via Paris Convention : 6 months from earliest priority date.
 - Hague Agreement route: 6 months from earliest priority date.
 
IMPI conducts formal and substantive examinations of utility model patent applications. However, the requirements for substantive examination are relatively loose, only novelty and industrial applicability are required, but innovation is not required.
- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 30 months from the earliest priority date.
 
A 12-month novelty grace period applies if the inventor or his successor has communicated in any form, put the design into practice or made it public at national and international exhibitions.
yes
1-2 years
Novelty grace period of 12 months for inventors, their successors and third parties who have received information about the invention from the inventor/successors, through any form of communication or at national and international exhibitions .
15 years
yes