[License-discuss] Mixed 5yr non-open then fully open license

Chris DiBona cdibona at gmail.com
Mon Jul 30 23:28:35 UTC 2018

Also, naming a license in leet speak after MRSA (multi-antibiotic resistant
staph infection) seems weird though stragely appropriate (in that I'd avoid
software under this license like the plague...) Nothing personal meant, of


On Mon, Jul 30, 2018, 16:18 Thorsten Glaser <tg at mirbsd.de> wrote:

> John Dupuy dixit:
> >The license states explicitly that any code added during the 5 years
> >does not change the expiration deadline. So any new code or changed
> >code is commercial for LESS than 5 years.
> With this and a fixed expiration date, your idea is quite interesting.
> However, such a licence cannot ever be Open Source. The licenced work
> can, on the other hand, be called Open Source after the five years have
> expired, if the “B” part of your licence says that licence X applies
> and X is OSI-approved. (It could also work if your B part says licence
> X, Y or Z. Or even “any OSI-approved licence”, i.e. if the recipient
> can choose.)
> I’d not write a new licence for this. Rather, I’d do this over the
> licence _grant_. The grant could just say: commercial licence A applies,
> and on 2023-07-30, open source licence X (or X, Y or Z; or any OSI-
> approved licence; whatever you chose above) is also granted on the work.
> You’d likely need a CLA from contributors or their agreement to this
> grant scheme.
> That way you can say it’s not open source now, but on that fixed date
> it will be.
> bye,
> //mirabilos
> --
> I believe no one can invent an algorithm. One just happens to hit upon it
> when God enlightens him. Or only God invents algorithms, we merely copy
> them.
> If you don't believe in God, just consider God as Nature if you won't deny
> existence.              -- Coywolf Qi Hunt
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