2012.09.07 00:10:19 (243833535201439744) from Daniel J. Bernstein, replying to "Tony Finch (@fanf)" (243690169608310785):
@fanf Reexamination lets the patent holder look at newer work and retroactively draft "clarifying" claims with the _original_ priority date.
2012.09.06 13:19:29 (243669747982548992) from Daniel J. Bernstein:
Rational behavior for patent trolls: have shills ask USPTO for "reexamination"; exploit "reexamination" procedure to add claims to patents.
2012.09.06 14:40:38 (243690169608310785) from "Tony Finch (@fanf)":
@hashbreaker Isn't it more normal to put the additional claims in a new patent to extend the lifetime of the monopoly?