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Chapter 1 · Inventions (Patents)

Article 34

The term of validity of the patent certificate, subject to compliance with Article (65) of this Act, is twenty years from the date of filing of the application.

Frequently asked

Article 34 · in plain terms

How long does a patent last in Iran?

Twenty years from the filing date of the application, subject to payment of the renewal fees under Article 65.

Does the 20-year patent term run from filing or from grant?

From filing. The term runs for twenty years from the date the application was filed, not from the date the patent was granted.