Which of the following correctly describes 'Compulsory Licencing', often seen in the news?
1
Mandatory licensing requirements before performing clinical trials.
2
Set of mandatory permissions for a pharmaceutical company to extract drugs from the endangered species of plants.
3
Special approval by the government to allow someone else to produce a patented product without the consent of the patent owner.
4
Set of approvals required by a country for the use of defence establishments of a foreign country.