Tags: 'PGO: filing within 6 months of publication date or any time before patent grant/ whichever is later',
'no appeal against controller's decision',
'delay in grant reduces 'effective' patent term',
'China/ Brazil/ Taiwan & Korea: provide for only 'post-grant' opposition',
'innovator viewed as convict',
Patent (Amendment) Rules',
'delete PGO from Act',
'time lines for various stages',
'publication of application',
'examination & submission of report',
putting application in order for patent grant',
'patent grant hamstrung due to pre-grant opposition (PGO)'