I think it should make pursuit of the suit at this late stage rather
difficult if the alleged infringement has been going on in full public
view for ten years without so much as a cease-and-desist letter to the
supposedly infringing parties.
An undefended trademark is no trademark at all -- does a similar
obligation exist to actively defend a patent? Or does the system actually
encourage trolls to file suits for long-term infringement just before the
Any armcahir lawyers care to comment?