Thus,proceedings commenced before the Controller of Patents in the year 2000 when the appellant herein sought a patent of their device which was opposed by respondent no.3 in the year 2000.By then,the Patents (Amendment) Act,1999 had amended the Patents Act,1970 w.e.f.26.3.99.S.25 of the Patents Act,1970 as amended by Patents (Amendment) Act,1999 dealt with opposition to a patent vides S.25.At that time appeals against decisions made by the Controller pertaining to "pre-grant oppositions" under S.25 were maintainable before the High Court u/s.116(2) of the Indian Patents Act,1970