''invalid patents''
''infringement''
'''Unspecified / Extended Use - (UnEx):'''
Patents issued for reason/utility unknown. Also applies to patents issued for discreet, inventive steps that do not have stand-alone commercial value.
'''Look for:'''
''Kiley''
''ever-greening''
''Jacob''
''submarine patents''
''viagra''
''expected returns''
''commercialization opportunities''
''spurious patents''
''gaming the patent system''
''patent portfolios''
''stand-along commercial value''