20 years
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- Is a design application in India eligible for DAS?
- How long is the protection period of Indian invention patent application
- Can Indian invention patent application priority be restored?
- Novelty Grace Period for Industrial Design Applications in India
- Can India's industrial design priority be restored?
- How long does it take to authorize an industrial design in India?
- Novelty Grace Period for Invention Patent Application in India
- Instructions for Authorization of Industrial Designs and Annual Fees in India
- Indian invention patent application authorization and annual fee instructions