no
yes. Please consult IPONIGERIA for applicable standards and charges.
6 months before the filing date/priority date.
IPONIGERIA only conducts formality examination and unity of invention examination for invention patent applications.
no
about 6 months
via Paris Convention : 6 months from earliest priority date.
The initial protection is 5 years, which can be renewed twice, each time for 5 years, and the maximum protection can be 15 years.
no
no
no