Re: golang-github-hashicorp-lru-arc-2 IBM patent issue

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Arthur:

On Sat, Jan 20, 2024 at 12:32 PM Arthur Bols <arthur@xxxxxxxx> wrote:
> On 20/01/2024 10:51, Philippe Ombredanne wrote:
>> On Fri, Jan 19, 2024 at 10:41 PM Arthur Bols <arthur@xxxxxxxx> 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?

That's my understanding, but these patent documents are all going
through a round of obfuscation, two rounds of encryption, and three
rounds of compression to make them hard to decipher for the law school
dropouts without a decoder ring! ;)

On another note, it could be that this patent is part of some patent
non-assert promise of IBM or some patent pool, possibly making the
patent issue moot.
IBM or RedHat lawyers would know best.
-- 
Cordially
Philippe Ombredanne

+1 650 799 0949 | pombredanne@xxxxxxxx
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