20 years, inventions of pharmaceuticals, agrochemicals and pesticides can enjoy a maximum patent term extension of 5 years.
ROSPATENT conducts formal and substantive examinations of invention patent applications. After ROSPATENT conducts formality examination for about 2 months, the applicant/anyone should submit a request for substantive examination within 3 years from the date of application, and this period can be extended for 2 months upon request. will be deemed withdrawn. However, the applicant may file a request for reinstatement within 12 months, subject to the payment of a late fee and proof of special circumstances. Third parties are allowed to provide comparative documents that have a negative impact on patentability assessment. Active revision requests can only be made once.
1-3 years
no
yes. The applicant may request that the patent application be changed from an invention to a utility model before the publication of the patent application but no later than the grant decision.
12-18 months
The novelty grace period is 6 months before the filing date/priority date.
Reinstatement of priority on grounds of "due care" accepted.
13 years
4-12 months
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.