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Re: Assertion of an issue with previously undisclosed IPR involving YANG and maybe draft-ietf-core-problem-details (NOT)

"Bradner, Scott" <sob@harvard.edu> Sat, 25 June 2022 22:55 UTC

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From: "Bradner, Scott" <sob@harvard.edu>
To: "ipr-wg@ietf.org" <ipr-wg@ietf.org>
Subject: Re: Assertion of an issue with previously undisclosed IPR involving YANG and maybe draft-ietf-core-problem-details (NOT)
Thread-Topic: Assertion of an issue with previously undisclosed IPR involving YANG and maybe draft-ietf-core-problem-details (NOT)
Thread-Index: AQHYiOBjk+3l14GmcUaNsIJVQzuNbq1gu6MA
Date: Sat, 25 Jun 2022 22:55:43 +0000
Message-ID: <8D5B8638-46DD-42D3-8340-44A4B13B6179@harvard.edu>
References: <47287450E84A302CE73DE36D@PSB> <811da515-7304-5305-bcd6-ba407b238785@gmail.com> <470AC7F3-D2D0-40D0-B442-7CEC58DFE242@tzi.org>
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as someone rather deeply involved in the IETF's IPR discussions it is my opinion that the IETF has no realistic 
tools to prevent gaming the system, for example, by delaying an IPR disclosure - in spite of what RFC 6701 says

that said, the courts do

if the IPR holder were to sue someone for implementing the technology described in the RFC  for patent infringement
one of the defenses that the defendant could use is to point out that the IPR holder did not follow the IETF disclosure 
rules - this has been a successful defense in a few cases - in one case the IPR holder was blocked by the court from asserting 
the IPR against anyone implementing the standard effectively rendering the patent useless in relation to the standard

Scott

> On Jun 25, 2022, at 6:10 PM, Carsten Bormann <cabo@tzi.org> wrote:
> 
> On 2022-06-25, at 06:26, Brian E Carpenter <brian.e.carpenter@gmail.com> wrote:
>> 
>> That said, further disclosures after the document is fully approved seem very strange, to say the least. It may be worth somebody involved glancing at RFC6701.
> 
> I don’t have an opinion about sanctions, but it should be possible to yank the document out of the RFC editor queue if information that is material to the approval was culpably withheld by the authors.
> 
> But I’m really responding because “draft-ietf-core-problem-details” is mentioned in the subject of the mail I’m responding to.
> 
> The only relation to the I2NSF draft is that both drafts happen to use BCP 47 language tags and both seem to be relatively advanced specimens of such usage in their respective FDT (formal description technique) domains (YANG for the I2NSF draft, CDDL for core-problem-details).  
> The way the drafts use these FDTs is completely different.
> (And it is unlikely that merely using language-tags is the subject of a patent claim in any case.)
> 
> So I don’t think this episode has any bearing on draft-ietf-core-problem-details.
> 
> Grüße, Carsten
> 
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