(t)"person interested" includes a person engaged in, or in promoting, research in the same field as that to which the invention relates;(ta)"pharmaceutical substance" means any new entity involving one or more inventive steps;(A)in relation to proceedings before a High Court, prescribed by rules made by the High Court;(B)in relation to proceedings before the Appellate Board, prescribed by rules made by the Appellate Board; and(C)in other cases, prescribed by rules made under this Act;(v)"prescribed manner" includes the payment of the prescribed fee;(u)"prescribed" means,—