20 years
5-6 years
20 years
no
The novelty grace period is 6 months before the filing date/priority date.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
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.
no
The novelty grace period is 6 months before the filing date/priority date.
Philippine Intellectual Property Office
English: Intellectual Property Office of the Philippines, Abbreviation: IPOPHIL
Website: IPOPHL | Rising. Shining. Beckoning. (ipophil.gov.ph)
Philippine Invention Patent Search: WIPO Publish (ipophil.gov.ph)
The novelty grace period is 12 months before the filing date/priority date.