Duration of Copyright

Copyright generally lasts 70 years after the death of the creator or after the first year of publication, depending on the type of material and/or when it was first published:

Where there are multiple authors or creators, copyright last for 70 years after the death of the last remaining author or creator.

Copyright cannot be renewed and once it has expired the work is considered to be in the public domain and can be used without the copyright owner's permission.