In Switzerland
The entirety of the law on the royalty Swiss is available here.
When work enter does the public domain?
The software created by only one author is protected up to 50 years post-mortem.
Other works mono-author are protected up to 70 years post-mortem.
The software created by several authors is protected up to 50 post-mortem after the death from the last surviving joint author.
Other works multi-authors are protected up to 70 years post-mortem after the death from the last surviving joint author.
For an anonymous work, the protection of work ends 70 years after publication or, if it were it by deliveries, 70 years after the last delivery.
The time of protection starts to run on December 31st of the year in which occurred the determining event.
When interpretation enter does the public domain?
Protection starts with the execution of the service with the artist interprets, with the clothes industry of the sound records or the videograms or with the diffusion of the emission; it ends after 50 years.
The time of protection starts to run on December 31st of the year in which occurred the determining event.