20 years
4-7 months or so
via Paris Convention : 6 months from earliest priority date.
no
no
IPONIGERIA conducts only formality examination of designs.
about 6 months
no
The initial protection is 5 years, which can be renewed twice, each time for 5 years, and the maximum protection can be 15 years.
6 months before the filing date/priority date.
yes. Please consult IPONIGERIA for applicable standards and charges.