[zeromq-dev] iMatix copyrights in ZeroMQ code base

Pieter Hintjens ph at imatix.com
Sat Apr 23 10:38:39 CEST 2016

Thanks for the advice, Ewen. See here:


If you see things to fix, I'll make them before the patch is merged.

On Sat, Apr 23, 2016 at 3:39 AM, Ewen McNeill
<zeromq at ewen.mcneill.gen.nz> wrote:
> Hi Pieter,
> [On list;
> On 23/04/16 4:31, Pieter Hintjens wrote:
>> iMatix Corporation sprl, with address at 13-15 rue des Ateliers, 1080
>> Brussels Belgium, hereby grants an irrevocable, global, and fully
>> paid-up license on all its copyrights that exist in the libzmq code
>> base, and any other projects under the ZeroMQ organization on GitHub,
>> under the Mozilla Public License version 2.
> With my "time traveller from the future" hat on:
> - please commit this statement into at least one of the ZeroMQ git archives
> (eg, https://github.com/zeromq/libzmq)
> - ZeroMQ was originally developed by FastMQ, which iMatix acquired
> (http://lists.zeromq.org/pipermail/zeromq-dev/2009-November/001353.html;
> http://imatix.wikidot.com/press:fastmq-acquisition)
> - can you say something about whether that acquisition included transfer of
> all FastMQ copyrights to iMatix, and thus whether the FastMQ originated
> code/copyright is covered by this MPLv2 license grant; or whether FastMQ
> remained a separate subsidiary of iMatix and the copyrights remained
> separate[0]; and
> - can you say something about your understanding of what proportion of the
> copyright FastMQ owned, at the time of the acquisition by iMatix
> (2009-11-01), versus what proportion of the copyright was owned individually
> by developers who might have been working for/with FastMQ.
> Thanks,
> Ewen
> [0] The press release says FastMQ became "a division of iMatix Corporation"
> which implies separate, but the copyright strings in the files got updated
> about 2 months later:
> https://github.com/zeromq/libzmq/commit/4f6baf4dde627656b63cc4e2acdb78a8577ba640
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