10 years
2-4 years
A 6-month novelty grace period is available if the disclosure is caused by a third party in bad faith.
10 years
no
The PPO only conducts formality examination of utility model patent applications, only examines novelty and industrial applicability, and does not examine inventive step.
If disclosed by the author or his successor, the novelty grace period shall be enjoyed within 12 months after the first disclosure.
4-5 years
The PPO only conducts formality examination of the design, and does not examine novelty and uniqueness.
yes
Reinstatement of priority is accepted on grounds of "due care."