How long does it take to change the patent in India?

It takes about 6 months to 1 year to change the patent in India. The processing time of Indian patent change depends on the content of the change request and the complexity of the change application. Generally speaking, it takes about 6 months to 1 year for Indian patent change requests to be approved, and sometimes it may take longer, depending on the complexity of the change request and the workload of the examination and approval department.