Q541
A any time after the expiration of . . . . . . . . from the date of the grant of a patent, any . . . . . . . . person may make an application to the controller for grant of compulsory licence on patent under the Patents Act, 1970.
A.
Two Years and Interested
B.
Three Years and Interested
AnswerC.
Four Years and Interested
D.
None of these
Answer: Option B
Solution
Answer: Option B
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