# \#legal

**URL:** https://discourse.julialang.org/tag/legal/190.md

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## [What happens when a contributor does not own the copyright of the code?](https://discourse.julialang.org/t/what-happens-when-a-contributor-does-not-own-the-copyright-of-the-code/129208)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 5\
**Last updated:** [May 21, 2025, 1:39pm UTC](https://discourse.julialang.org/t/what-happens-when-a-contributor-does-not-own-the-copyright-of-the-code/129208 "2025-05-21T13:39:47Z")

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I recently got a PR with a minor contribution to one of my (MIT-licensed) Julia packages. The author honestly disclosed that it was made using an AI tool. I checked the licensing of said tool (Claude) and it actually sa…

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## [Julia's business model](https://discourse.julialang.org/t/julias-business-model/70328)

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**Author:** [@leon](https://discourse.julialang.org/u/leon)\
**Replies:** 102\
**Last updated:** [November 10, 2021, 8:11pm UTC](https://discourse.julialang.org/t/julias-business-model/70328 "2021-11-10T20:11:48Z")

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I recently switched from Matlab to Julia. It is my first time to use an open-source programming language. So far I have been loving it very much. I am very grateful for all the help from this very friendly Julia communit…

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## [Copyright issues for code excerpts](https://discourse.julialang.org/t/copyright-issues-for-code-excerpts/17868)

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**Author:** [@Tero\_Frondelius](https://discourse.julialang.org/u/Tero_Frondelius)\
**Replies:** 14\
**Last updated:** [November 22, 2018, 8:55pm UTC](https://discourse.julialang.org/t/copyright-issues-for-code-excerpts/17868 "2018-11-22T20:55:30Z")

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In my understanding code excerpts are not a problem, if they would you couldn’t use Stackoverflow or answers from this forum.

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## [GPL and virality](https://discourse.julialang.org/t/gpl-and-virality/7715)

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**Author:** [@StefanKarpinski](https://discourse.julialang.org/u/StefanKarpinski)\
**Replies:** 39\
**Last updated:** [December 20, 2017, 10:13pm UTC](https://discourse.julialang.org/t/gpl-and-virality/7715 "2017-12-20T22:13:06Z")

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It’s often stated that the GPL is “viral” – i.e. that using GPL code “infects” other code. There is a viral effect for code that is not licensed under a GPL-compatible license, but not for code that is licensed under a G…