4-12 months
1-3 years
yes. The applicant can request to change the patent type from utility model to invention before the patent is granted.
Reinstatement of priority on grounds of "due care" accepted.
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 will be deemed withdrawn.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.
no
no
- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 31 months from earliest priority date.
 
12-18 months
ROSPATENT conducts formality examination and substantive examination of utility models, and only one independent claim is allowed to be submitted, and utility model patent applications must have novelty and industrial applicability.
4-12 months