[License-discuss] Is the IPA Font License truly open source?

Josh Berkus josh at berkus.org
Sun Sep 7 22:30:36 UTC 2025


On 9/4/25 09:55, tdaskk at riseup.net wrote:
> In March 2024, an incident occurred where the operator of a web service 
> converting IPA fonts licensed under the IPA Font License to WOFF format 
> received a warning from the IPA to discontinue the service.
> In response, questions have arisen within the Japanese-speaking open- 
> source community about whether the IPA Font License fundamentally meets 
> the definition of open source.

The IPA Font License pretty explicitly allows changes of format and 
redistribution.  Am I not understanding the case here?  What is IPA's 
objection?

-- 
Josh Berkus


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