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MBCook12/10/20254 repliesview on HN

It wouldn’t be HDMI 2.1 because it couldn’t be certified. And if you claimed it was 2.1 I imagine they would sue you.

Could it actually be made? I kind of wonder that. Like if one of the things you have to do is claim to the other device that you’re 2.1 would that get you in trouble? Or if you just advertise all the features and they each work is that good enough?


Replies

tedivm12/10/2025

They could just say "we believe we're compliant with HDMI 2.1 but are not officially certified". No lies, no claims they can't make, and nothing I can see that would introduce legal risk to folks unless there's some patent encumbered garbage in the spec.

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bluGill12/10/2025

generally if something is needed for interoperability the courts only accept patents as a way to protected it (patents have a limited lifespan). However the law gets really complex and you need a lawyer for legal advice.

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hidroto12/10/2025

> Like if one of the things you have to do is claim to the other device that you’re 2.1 would that get you in trouble?

nintendo tried that with the gameboy. games had to have a copy of the nintendo logo in them. i dont think it was ever tested in court though.