Whether expression “any application for grant of a patent for an invention” in S. 39 (1) applies to a patent of addition? Madras HC answers
“The application for grant of a patent of addition cannot be filed earlier than the date of filing of the application for grant of patent for the main invention; it cannot be granted before grant of the patent for the main invention; the term of the patent of addition shall not exceed that of the main invention, even if granted later than the main invention”