Questions about patents and open source licences
forums at david-woolley.me.uk
Wed Apr 2 09:12:02 UTC 2008
Matthew Flaschen wrote:
> GPLv2 has this provision:
> If the distribution and/or use of the Program is restricted in certain
Note the *is*. I believe the intent of this is to permit distribution,
not to restrict distribution. It's intended for those cases where the
normal GPL terms would void the GPL's permission to distribute because
of a patent conflict. It isn't intended to be a pre-emptive measure
against unknown patents.
> countries either by patents or by copyrighted interfaces, the original
> copyright holder who places the Program under this License may add an
> explicit geographical distribution limitation excluding those countries,
> so that distribution is permitted only in or among countries not thus
> excluded. In such case, this License incorporates the limitation as if
> written in the body of this License.
> However, I would not recommend using it.
In particular, I'm not sure that the GPL plus a geographic restrictions
is an OSI approved licence.
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