20 years
- Is a design application in Nigeria convertible?
- How long is the PCT period for Nigerian invention patent application
- Characteristics of Nigerian invention patent application process
- Novelty Grace Period for Industrial Design Applications in Nigeria
- How many years is the protection period of Nigerian invention patent application
- Can Nigerian invention patent application priority be restored?
- What are the requirements for the Nigerian invention patent application documents
- Description of Nigerian invention patent application authorization and annual fee
- Is it possible to apply for a combined appearance in a Nigerian industrial design application?
- Is a Nigerian invention patent application eligible for DAS?