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I made a library with which I distribute an opensource-licences-readme.txt file disclosing which open-source projects I have leveraged and including their copyright notices and other required info.

I was asked by a company that wants to use my library today if they also need to include this .txt file in their product (theirs is a compiled commercial product for sale). I'm unsure if it's just me that needs to do so, or if they are obliged to copy and redistribute the same license information that I provide, so I haven't been able to advise them.

MadHatter
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Nande
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    Which licence(s) are involved? – MadHatter May 03 '23 at 10:14
  • Apache 2.0, MIT, BSD 2-clause, BSD 3-clause – Nande May 03 '23 at 10:29
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    All three licences are pretty clear about what you're expected to include in a derivative work. Is there any aspect of any of them that you're unclear about? Or is your only question whether the commercial project is a derivative of the upstream works as well as yours? – MadHatter May 03 '23 at 11:59
  • @MadHatter Yes, that. I have no problem with including the notices myself, but I don't know if the people who use my library should do so. Whether it just chains endlessly or they can use my work themselves without needing to credit the people I credited. – Nande May 03 '23 at 15:05
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    @Nande I believe "whether it just chains endlessly" question is answered by the duplicate I've linked. Could you explain what, if anything, needs further clarification? – Philip Kendall May 03 '23 at 15:59
  • Then you should definitely read the answer Philip links to above, which addresses this point, and let us know if it does for you. – MadHatter May 03 '23 at 16:01
  • note: if this is your free open source project you have no obligation to answer the company's question. It's their obligation to understand what they are using. – user253751 May 05 '23 at 19:34

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