I couldn&#x27;t find any references to copyright assignment in the HN Guidelines or FAQ, so I&#x27;m assuming that users of HN retain the copyrights to their own comments, and except for cases that fall under &quot;fair use&quot;[1] (e.g., criticism, educational use, etc.), they can&#x27;t be reproduced without the author&#x27;s permission.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Fair_use" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Fair_use</a>