yes. The patent type can be converted from invention to utility model at any time before the patent application is granted/rejected. 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.
20 years
The initial protection period is 5 years, the renewal period is once every 5 years, and the maximum protection period can reach 15 years.
1-2 years
no
no
no
no
The novelty grace period is 6 months before the filing date/priority date.
- Grant fee: The applicant shall pay the granted announcement fee within 2 months from the date of issuance of the granted decision notice.
- Annuity: It will be paid year by year starting from the date of patent announcement for 4 years, and the renewal fee can be paid within 12 months before the expiration of the protection period. If you fail to pay after the due date, you can make up the payment within a grace period of 6 months, but you need to pay a penalty at the same time.
The novelty grace period is 6 months before the filing date/priority date.