Interesting point, that lead me to finding this article about the French translations. [1] Ironically, until 2016, the German government also used copyright to prevent republications of his book. [2]

[1]: https://theconversation.com/amp/the-curious-history-of-mein-...

[2]: https://france24.com/en/20160108-germany-mein-kampf-bookstor...