Must the copyright owner release GPLv3 derivative works?

[Matthew Flaschen]

Walter van Holst wrote:
> Also, if all derivative works based upon the GPLv3 offering must remain
>> licensed under the GPLv3, can derivative works based upon the commercial
>> license offering remain private?
> 
> 
> Exactly.

Well, maybe.  "Commercial license" is not very descriptive, as it
actually runs the gamut from a Microsoft EULA to GPLv3.  However, the
basic point is clear: A copyright holder can license a work under GPLv3
as well as a proprietary, commercial license that allows derivative
works with private source code.  Those with the proprietary license are
not subject to the conditions of GPLv3.

Matt Flaschen