[Lazarus] software licence question - deceased author

[Flávio Etrusco]

On Thu, Feb 24, 2011 at 7:48 AM, Felipe Monteiro de Carvalho
<felipemonteiro.carvalho at gmail.com> wrote:
> On Thu, Feb 24, 2011 at 11:46 AM, Joost van der Sluis <joost at cnoc.nl> wrote:
>> So if the author released under the MPL, it will stay MPL. At least for
>> 50 years... (Then it will become public domain, or the rules that in
>> your country)
>
> But you can make an agreement with heirs to change the license. If the
> author had no heirs you are doomed.
>
> --
> Felipe Monteiro de Carvalho
>
> --

IIRC (at least) on US law only the copyright holder can file an
infrigent lawsuit, so if there's no heirs the 'work' essentially falls
on public domain?

-Flávio