Patent term calculator for India
Enter your patent filing date to see when the 20-year patent term from filing typically ends in India. Extensions and specific case circumstances are not modeled — confirm with your agent.
Last updated: July 2026 · Fees per schedule published 2026-05-04
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Required when application type is PCT national phase.
Patent term in India
For most inventions, the term of a patent in India is twenty years from the date of filing. The term is distinct from individual renewal payment dates — you must pay renewals during the term to keep the patent enforceable.
Common questions
- How long does a patent last in India?
- A patent term is generally 20 years from the date of filing of the application, subject to payment of renewal fees and applicable law.
IPR Manager is a software platform only. AI tools speed up drafting, but every section, claim, and form stays a draft until you review and confirm it. We do not provide legal advice, patentability opinions, filing services, government-fee collection, or representation before the Indian Patent Office. Verify official fees and dates on ipindia.gov.in before filing.