Implications for switching licenses mid-stream

Ben Tilly btilly at
Tue Apr 22 20:35:20 UTC 2008

On Tue, Apr 22, 2008 at 1:26 PM, Arnoud Engelfriet
<arnoud at> wrote:
> Wilson, Andrew wrote:
>  > Of course, as Ben Tilly pointed out, you don't need to seek such
>  > permissions at all if you are relicensing from BSD or other permissive
>  > licenses, or if you are moving from "GPLv2 or any later" to GPLv3.
>  This is probably legal nitpicking, but I don't see sublicensing or
>  relicensing rights in the BSD license, so I'm not sure that I can
>  simply apply a new license to a BSD codebase as such. For derivative
>  works, sure. But for the unmodified codebase?

If I reissue the work with nothing changed by the copyright statement,
the work has been modified so isn't it now a derivative work?


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