https://www.epo.org/en/node/general-information-about-2

How long is the term of protection of Indian patents?

The term of protection of an Indian patent is 20 years from the date of filing of the application, subject to the payment of annual fees. The 20-year term was introduced by the Patents (Amendment) Act 2002. It also applies to all granted patents whose term had not expired on 20 May 2003. Under the previous law the term was 14 years from the date of filing.

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