- Indian residents shall not apply for a patent in a foreign country without the prior written and approved permission of the Controller. Applications for grant of patent shall be applied to foreign countries only if,
- an Indian Patent Application is filed at least 6 weeks before filing the foreign application.
- no direction of secrecy is implied by the Central Government or if the same is revoked after application
- inventions related to the defence of the country or atomic energy shall not be granted permission by the Controller without the consent of the Central Government
- Non Resident Indians are not bound to this section.