no
1-2 years
no
no
The novelty grace period is 6 months before the filing date/priority date.
no
20 years
no
yes. A utility model can be converted into an invention at any time before granted/rejection, and the converted patent application has the same filing date as the original application, and can only be converted once and a conversion fee is required.
- Grant fee: The applicant shall pay the granted announcement fee within 2 months from the date of issuance of the granted decision notice.
- Annuity: Pay year by year starting from the fifth year, the payment date of the fifth year annual fee is the public day or international public day of the fourth year, and so on. Fees can be paid within 3 months before the due date of payment. If the patentee fails to pay the annual fee on time, the non-payment notice will be published on the official announcement, and the fee can be paid within a grace period of 6 months after the expiration, but a penalty must be paid at the same time.
no