According to Section 2(t) of the Indian Patent Act, person interested includes a person engaged in, or in promoting, research in the same field as that to which the invention relates. The definition of person interested is inclusive and thus it was observed in Lord Watson in Dilworth v....

The opposition procedure in patent law is an important part of the system that enables parties to challenge the grant of a patent. As of now, patent applications are opposed prior to and subsequent to grant and procedure for the same is known as pre grant opposition and post grant opposition...