[cc-licenses] input requested: BY-SA/GPL compatibility - license scope

Sarah Pearson sarah at creativecommons.org
Tue Feb 24 10:36:31 EST 2015


On Mon, Feb 23, 2015 at 3:00 PM, Andrew Rens <andrewrens at gmail.com> wrote:

> 1.The mandatory patent grant in the GPL helps to prevent strategic
> behaviour. Without that requirement a software vendor could licence code
> under the GPL and wait until it has been incorporated in many other
> programs and then demand patent licence fees. The requirement for a patent
> licence prevents that kind of behaviour.
> A person licensing non-software under CC By SA cannot make someone else
> re-license under the GPL and so cannot engage in a strategy of licensing
> under CC By SA in order to extract patent revenue from users of software or
> combined works. The incompatibility does not encourage strategic behaviour
> to the detriment of licensees of the GPLed work.
>

This is a good point. I think any patent issues created through 1-way
compatibility would be created unintentionally rather than strategically.
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