[Commons-l] Fwd: [WikiEN-l] Cool tool that lets you check forcopyright renewals on books

[Gregory Maxwell]

On 4/3/07, peter green <plugwash at p10link.net> wrote:
> but how do you know that those books don't contain extracts from other copyright works that *have* been renewed?

This is the problem with the "PD" movies you sometimes see circulating
on the net.. The movie   lost its copyright (through lack of
registration, lack of renewal, etc) but it contains music,
photographs, and an underlying story which were all renewed and are
still enforceable and enforced.