In the IETF meta-discussions on the idea of discussing IPR are more liable to 
become ratholes than the IPR discussion itself.
Even worse is the meta-meta discussion on whether to restrict ourselves to 
using ASCII in the meta-discussion :)

IPR SHOULD be discussed by the WG, and this discussion is especially 
appropriate during the LC period of a standards track draft 
( we asked for a 2nd LC on this draft ) in order to understand any possible 
issues before passing on to the IESG.

In some WGs (e.g. codec) IPR issues are more important than others as their 
mission is to create technology
which is as IPR-free as possible. In codec's case they have even appointed 
someone specifically to check into IPR
(from a technical point of view - to make sure that disclosures have been made 
- not to "rule" on IPR). 

In PWE there have been a plethora of patents from the start, but everything has 
always been disclosed and discussed.
It would be unfortunate for things to become confused due to technical errors 
of disclosing with respect to the wrong drafts.

Y(J)S

-----Original Message-----
From: Donald Eastlake [mailto:[email protected]] 
Sent: Thursday, April 15, 2010 21:57
To: Trowbridge, Stephen J (Steve)
Cc: Yaakov Stein; [email protected]; [email protected]; [email protected]; 
Aissaoui, Mustapha (Mustapha); [email protected]; Busschbach, Peter B 
(Peter); Secretariat; [email protected]; [email protected]; 
[email protected]; [email protected]; [email protected]
Subject: Re: [PWE3] Posting of IPR Disclosure related to Cisco's Statement of 
IPR relating to draft-ietf-pwe3-oam-msg-map-12

There is no such rule in the IETF, although perhaps patent discussions
need some moderation to avoid becoming ratholes. To quote some pieces
of text from RFC 3669 (which I recommend you read in full):

"It's all right, and sometimes beneficial, to discuss IPR claims
      and gather information about possible prior art on the [working]
group list.
      The results of such discussion can be considered when deciding
      whether to develop a technology (but remember that neither the
      IETF nor any working group takes a stand on such claims as a body,
      and the group is not the best place to get legal advice)."

and

"Working group participants can evaluate IPR claims not only for
      their possible validity, but also for the risk of misjudging that
      validity."

Donald
=============================
 Donald E. Eastlake 3rd
 155 Beaver Street
 Milford, MA 01757 USA

On Wed, Apr 14, 2010 at 8:47 AM, Trowbridge, Stephen J (Steve)
<[email protected]> wrote:
> Hi all,
> In IEEE we are admonished to never discuss the essentiality or validity of 
> patent claims. I cannot believe this is considered an appropriate discussion 
> in IETF.
> Regards,
> Steve
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of 
> Yaakov Stein
> Sent: Wednesday, April 14, 2010 1:44 AM
> To: [email protected]; [email protected]; [email protected]; Aissaoui, 
> Mustapha (Mustapha); [email protected]; Busschbach, Peter B (Peter)
> Cc: [email protected]; Secretariat; [email protected]; 
> [email protected]; [email protected]; [email protected]
> Subject: Re: [PWE3] Posting of IPR Disclosure related to Cisco's Statement of 
> IPR relating to draft-ietf-pwe3-oam-msg-map-12
>
>
> This disclosure (1311) quotes application US20080089227A1: Protecting 
> multi-segment pseudowires which may impact draft-ietf-pwe3-redundancy, and 
> perhaps ICCP, MS-PW architecture, and MS-PW setup.
> There is no apparent connection with oam-msg-map - in fact the claims stress 
> that the triggers are failures of PSN elements (e.g. S-PEs) and are NOT from 
> the ACs, making any connection untenable.
>
> A previous disclosure by the same company (863) refers to
>    20080285466 : Interworking between MPLS/IP and Ethernet OAM mechanisms 
> which may impact mpls-eth-oam-iwk, but not oam-msg-map, unless one interprets 
> the first claim and its dependents much more broadly than supported by the 
> background and description.
>
> Can someone from the company claiming this IPR fix the information in these 
> disclosures ?
> At very least that company is required to disclose IPR is holds with respect 
> to the appropriate drafts (unless it is willing to risk forfeiting its rights 
> with respect to these ...).
>
> However, with respect to oam-msg-map I would like to request that it consider 
> removing inappropriate disclosures.
> Of course, if after consideration it believes that these disclosures ARE 
> appropriate, I would love to hear the reasoning.
>
> Y(J)S
>
>
> -----Original Message-----
> From: IETF Secretariat [mailto:[email protected]]
> Sent: Tuesday, April 13, 2010 18:46
> To: [email protected]; Yaakov Stein; [email protected]; [email protected]; 
> [email protected]; [email protected]; 
> [email protected]
> Cc: [email protected]; [email protected]; [email protected]; 
> [email protected]; [email protected]; 
> [email protected]
> Subject: Posting of IPR Disclosure related to Cisco's Statement of IPR 
> relating to draft-ietf-pwe3-oam-msg-map-12
>
> Dear Monique Morrow, Yaakov Stein, Luca Martini, Thomas Nadeau, Mustapha 
> Aissaoui, David Allan, Peter Busschbach:
>
> An IPR disclosure that pertains to your Internet-Draft entitled "Pseudowire 
> (PW) OAM Message Mapping" (draft-ietf-pwe3-oam-msg-map) was submitted to the 
> IETF Secretariat on 2010-04-07 and has been posted on the "IETF Page of 
> Intellectual Property Rights Disclosures" 
> (https://datatracker.ietf.org/ipr/1311/). The title of the IPR disclosure is 
> "Cisco's Statement of IPR relating to draft-ietf-pwe3-oam-msg-map-12."
>
> The IETF Secretariat
>
>
> _______________________________________________
> pwe3 mailing list
> [email protected]
> https://www.ietf.org/mailman/listinfo/pwe3
> _______________________________________________
> Ietf mailing list
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>
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