no
no
4-7 months or so
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.
via Paris Convention : 6 months from earliest priority date.
no
20 years
no
IPONIGERIA only conducts formality examination and unity of invention examination for invention patent applications.
Trademarks, Patents and Designs Commercial Law Section, Nigerian Ministry of Trade and Investment
English: Patents and Designs Registry Commercial Law Department Federal Ministry of Industry, Trade and Investment, abbreviation: IPONIGERIA