Thank you Philippe.

On 20/01/2024 10:51, Philippe Ombredanne wrote:
Hi Arthur:

On Fri, Jan 19, 2024 at 10:41 PM Arthur Bols <arthur@bols.dev> wrote:
I'm packaging golang-github-hashicorp-lru-arc-2 [0] as a dependency of
symfony-cli [1]. The code is licensed under the MPL-2.0, but the
documentation of the library mentions the IBM patent of ARC [2].
[...]
[0]: https://github.com/hashicorp/golang-lru/tree/v2.0.7/arc
[1]: https://github.com/symfony-cli/symfony-cli
[2]: https://en.wikipedia.org/wiki/Adaptive_replacement_cache
FWIW, per the Google page [3] for the patent [4] this IBM patent is
set to expire on 2024-02-02 ... so in just a few days! ;)
...
[3] https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6996676
[4] https://patents.google.com/patent/US6996676B2/en
What a coincidence, that's great to hear! I assume that from February 3 the package can be included in Fedora?

With this said, I wonder what is the interplay between the
patent-related terms of the MPL in Hashicorp's code and the patent
from IBM who is not Hashicorp. And what is the impact on the MPL
licensing?
A well known example is FFmpeg with L/GPL-licensed but patented media
codecs. [5]
...
[5] https://ffmpeg.org/legal.html
--
Cordially
Philippe Ombredanne
Could indeed be interesting, but I'd rather be safe than sorry! ;)

Arthur