no
6 months from the earliest priority date.
yes
5-6 years
no
20 years
no
7 years
The novelty grace period is 12 months before the filing date/priority date.
IPOPHIL conducts formality examination and substantive examination for invention patent applications. After completing the formality examination and prior art search, the applicant needs to enter the public procedure within 18 months from the filing date/priority date, and enter the substantive examination procedure if there is no objection. The applicant shall submit a request for substantive examination within 6 months from the date of publication of the application or within 6 months from the date of entering the national phase at the latest. If the requirements are met, the patent application will be authorized.
1-2 years