Re: [codec] Skype IPR disclosure
Rob Glidden <rob.glidden@sbcglobal.net> Thu, 25 March 2010 16:34 UTC
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Date: Thu, 25 Mar 2010 09:35:07 -0700
From: Rob Glidden <rob.glidden@sbcglobal.net>
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To: Koen Vos <koen.vos@skype.net>
References: <C7D0114C.206FF%stewe@stewe.org> <20100325001711.69574fh2l0zvaad3@mail.skype.net>
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Cc: codec@ietf.org
Subject: Re: [codec] Skype IPR disclosure
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Koen: Thanks for the offer, but wouldn't Skype be capable to describe proposed contribution directly to the working group? Rob Koen Vos wrote: > Stephan: I couldn't agree more - please let's keep this list free of > patent discussions. > > Rob: Skype's legal counsel is more than happy to address any questions > you may have about our patents. You'll find their phone number and > email address in our IPR disclosure. > > best, > koen. > > > > Quoting Stephan Wenger <stewe@stewe.org>: > >> Hi Rob, >> >> Wearing my ³technical advisor to the IESG on IPR matters² hat: >> >> I¹m commenting in this email only on the ³third party disclosure² >> subject. >> I may comment on the other subject later, as, admittedly, they are more >> murky. Phrasing a reply certainly requires more undistracted time than I >> have now (sitting in the IETF77 plenary). >> >> I note that you have provided information of two patent applications >> that >> have not been recited in Skype¹s declaration. Specifically, neither >> the GB >> application, nor the PCT application, have been disclosed by Skype. >> Nowhere >> in BCP 79 or in the IETF¹s current practice I find language or common >> conduct indicating that, by disclosing one or more patent family >> members, >> one has to infer that all patent family members are disclosed. If you >> are >> aware of such language, I would appreciate a pointer. >> >> In this light, I continue to believe that you were not within the >> language, >> nor the spirit, of BCP 79 when you cited these patent numbers. >> >> Advisor hat off, private statement: >> >> Rob, you are a lawyer, and are listed in the IP law section of the CA >> bar >> association. You are a professional in this field. Most of the >> subscribers >> of this *technical* working group list are not. They may not know >> what harm >> could befall them, and their employers, if they start reading someone >> else¹s >> patents, and perhaps start commenting in public on it. >> >> It is my understanding that one motivation for moving the IPR >> disclosures to >> an isolated area of the IETF¹s web page has been to ensure that >> accidental >> reading and commenting on someone else¹s patents is not facilitated. By >> providing patent numbers and handy hyperlinks to those patents, you have >> very efficiently interrupted this isolation. >> >> I don¹t think this is a fair tactic, and I don¹t think it can do us any >> good‹not even those parts of the community with business interests >> that are >> apparently aligned with yours. In the worst case, legal departments of >> careful companies may require their employees to unsubscribe from the >> codec >> WG, and stop attending meetings. No contributions from these people >> to the >> IETF, no disclosures, no other IPR data points to consider. Fog over the >> minefield. This cannot be your intention. I hope. >> >> Individuals with sufficient knowledge and interest to assist you in >> reading >> patents and interpreting patent subject matter almost certainly have the >> knowledge to find a patent or application once they have a number. Those >> who don¹t probably could ask you in private. Or they can ask google. >> As we >> all know, google has answers for everything :-) >> >> Trying to be constructive, I wonder whether you, or someone else, >> would be >> willing to run a mailing list outside of the IETF¹s organized >> setting, in >> which you and other interested participants can discuss patent claims to >> your hearts content, without contaminating the IETF list with patent >> numbers, claim language, and other legal stuff that raises red flags >> in so >> many IETF companies. >> >> Regards, >> Stephan >> >> >> On 3.24.2010 17:50 , "Rob Glidden" <rob.glidden@sbcglobal.net> wrote: >> >>> Stephan: >>> >>> (apologies for long email) >>> >>> Thanks for the reminder. I've re-read 3979 and 4879 (on third party >>> disclosures), and you are wise to encourage care. >>> >>> However, in this case the IPR has already been responsibly disclosed >>> by the >>> owner. So this thread is not disclosing any IPR of a third party, >>> for which >>> as you indicate sections 6.1.2 and 3 (on IPR of others) would be >>> appropriate >>> -- by form or email. >>> >>> Rather, 3979 clearly expects working groups to use the disclosures, >>> once made, >>> in their evaluations and deliberations. >>> >>> 6.5 Since IPR disclosures will be used by IETF working groups during >>> their evaluation of alternative technical solutions, it is helpful if >>> an IPR disclosure includes information about licensing of the IPR in >>> case Implementing Technologies require a license. >>> This includes the licensing information in the disclosures: >>> >>> The inclusion of licensing information in IPR disclosures is not >>> mandatory but it is encouraged so that the working groups will have >>> as much information as they can during their deliberations. >>> And in weighing alternatives: >>> >>> 8. IETF working groups have the discretion >>> to adopt technology with a commitment of fair and non-discriminatory >>> terms, or even with no licensing commitment, if they feel that this >>> technology is superior enough to alternatives with fewer IPR claims >>> or free licensing to outweigh the potential cost of the licenses. >>> and even in developing broader IETF consensus: >>> >>> An IETF consensus >>> has developed that no mandatory-to-implement security technology can >>> be specified in an IETF specification unless it has no known IPR >>> claims against it or a royalty-free license is available to >>> implementers of the specification unless there is a very good reason >>> to do so. >>> >>> And you are also wise in reminding that the IETF will not make >>> determinations >>> for many excellent reasons, but >>> Although the IETF can >>> make no actual determination of validity, enforceability or >>> applicability of any particular IPR claim, it is reasonable that a >>> working group will take into account on their own opinions of the >>> validity, enforceability or applicability of Intellectual Property >>> Rights in their evaluation of alternative technologies. >>> So I'd suggest this dialog is both in scope and constructive, fully >>> in spirit >>> and letter of BCP 79, seeking to clarify the nature of a licensing >>> disclosure >>> and the specific value of a particular technique of noise level >>> estimation and >>> application of opposite non-linear functions. >>> >>> Rob >>> >>> Stephan Wenger wrote: >>>> Re: [codec] Skype IPR disclosure Hi Rob, all, >>>> >>>> Wearing my ³technical advisor on IPR matters hat²: >>>> >>>> Please let me remind you that the IETF takes no position on scope and >>>> validity of patent claims. I don¹t believe that the use of an IETF >>>> mailing >>>> list to collaboratively create such a position‹even it it were not >>>> marked as >>>> an IETF position‹is appropriate. Please refrain from using this >>>> list for >>>> such discussions. >>>> >>>> Further, I¹m also not sure that everyone here‹even a >>>> majority‹appreciates >>>> being advised of patents through means other than the IETF¹s IPR >>>> tracking >>>> system. It is certainly against language and spirit of BCP 79. If >>>> you want >>>> to advise people of third party IPR henceforth, please use the >>>> tracker. Feel >>>> free to contact me in private it you need logistic help with that. >>>> >>>> Thanks, >>>> Stephan >>>> >>>> >>>> >>>> On 3.24.2010 15:13 , "Rob Glidden" <rob.glidden@sbcglobal.net> wrote: >>>> >>>> >>>>> I would agree that the wording seems to go beyond a narrow >>>>> non-assert into >>>>> business strategy, and this is furthered by potentially ambiguous >>>>> phrasings >>>>> such as "royalty free, reasonable and non discriminatory terms". >>>>> "RF" and >>>>> "RAND" might overlap in some definitions, but they are not the same. >>>>> >>>>> Also I would note the two statements (1297 and 1164) appear to be >>>>> (only?) a >>>>> single patent application for a method of estimating noise levels >>>>> with 3 >>>>> independent claims. As further progress is made, it might be >>>>> helpful to >>>>> understand scope and prior art, and relationship to an entire >>>>> contribution, >>>>> and the specific quantified value of the novelty identified in the >>>>> international search opinion of applying opposite non-linear >>>>> functions. >>>>> >>>>> Though not reflected in the disclosure, the US application claims >>>>> priority >>>>> to a Great Britain Application No. 0703275.8, filed Feb. 20, 2007. >>>>> >>>>> >>>>> http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2F >>>>> >>>>> netahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PG01&s1=12%2F006057 >>>>> >>>>> &OS=12/006057&RS=12/006057 >>>>> >>>>> The PCT is at: >>>>> >>>>> http://www.wipo.int/pctdb/en/wo.jsp?WO=2008102207 >>>>> >>>>> Perhaps someone familiar with this application would correct any >>>>> mis-impressions above? >>>>> >>>>> Rob >>>>> >>>>> >>>>> Benjamin M. Schwartz wrote: >>>>> >>>>>> >>>>>> stephen botzko wrote: >>>>>> >>>>>> >>>>>> >>>>>>> >>>>>>> I think it is unreasonable to require IPR holders to >>>>>>> unconditionally >>>>>>> promise >>>>>>> to not assert their patents under any and all circumstances. >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> I am not asking for such an unconditional promise. I am just >>>>>> noting some >>>>>> restrictions that seem especially onerous to me. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>> >>>>>>> In practice the first clause does not immunize Skype from >>>>>>> lawsuits. Many >>>>>>> companies have similar "defensive suspension" clauses, and they >>>>>>> still get >>>>>>> sued fairly regularly. >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> There are different kinds of defensive suspension. For example, >>>>>> the W3C >>>>>> allows defensive suspension, but only for lawsuits on patent >>>>>> infringement: >>>>>> """ >>>>>> a W3C Royalty-Free license ... may be suspended with respect to any >>>>>> licensee when licensor is sued by licensee for infringement of >>>>>> claims >>>>>> essential to implement any W3C Recommendation ... [but] may not >>>>>> impose any >>>>>> further conditions or restrictions >>>>>> """ >>>>>> (http://www.w3.org/Consortium/Patent-Policy-20030520#sec-Requirements) >>>>>> >>>>>> >>>>>> That seems like a reasonable case for defensive suspension. Skype's >>>>>> wording, by contrast, is totally unreasonable, as it extends the >>>>>> defensive >>>>>> suspension to _all_ lawsuits, no matter their object. I expect most >>>>>> companies to use the IWAC, and maybe even most humans eventually. >>>>>> The >>>>>> retroactive revocation means that these people can be deterred >>>>>> from suing >>>>>> Skype/Ebay even after the patents have all expired. >>>>>> >>>>>> It's absurd, not to mention legally questionable. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>> >>>>>>> The second clause ensures that someone outside the IETF cannot >>>>>>> take the >>>>>>> Skype technology, improve it, and offer a competitive >>>>>>> proprietrary codec >>>>>>> that uses Skype IPR. If you modify the codec, you should be >>>>>>> doing it in >>>>>>> the >>>>>>> context of the IETF standard. >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> And once the standard is made? Skype could effectively block the >>>>>> IETF >>>>>> from creating an improved version of its own codec, or any optional >>>>>> extensions (they're not "necessary"). I don't think that's >>>>>> reasonable at >>>>>> all. >>>>>> >>>>>> --Ben >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> codec mailing list >>>>>> codec@ietf.org >>>>>> https://www.ietf.org/mailman/listinfo/codec >>>>>> >>>>>> >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> codec mailing list >>>>> codec@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/codec >>>>> >>> >>> >> >> > > _______________________________________________ > codec mailing list > codec@ietf.org > https://www.ietf.org/mailman/listinfo/codec >
- Re: [codec] Skype IPR disclosure Marc Petit-Huguenin
- Re: [codec] Skype IPR disclosure Stephan Wenger
- [codec] Skype IPR disclosure Stephan Wenger
- Re: [codec] Skype IPR disclosure Kevin P. Fleming
- Re: [codec] Skype IPR disclosure Michael Ramalho (mramalho)
- Re: [codec] Skype IPR disclosure Kevin P. Fleming
- Re: [codec] Skype IPR disclosure Benjamin M. Schwartz
- Re: [codec] Skype IPR disclosure Koen Vos
- Re: [codec] Skype IPR disclosure stephen botzko
- Re: [codec] Skype IPR disclosure Benjamin M. Schwartz
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure Stephan Wenger
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure stephen botzko
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure Stephan Wenger
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure stephen botzko
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure Marc Petit-Huguenin
- Re: [codec] Skype IPR disclosure Stephan Wenger
- Re: [codec] Skype IPR disclosure Stephan Wenger
- Re: [codec] Skype IPR disclosure Stephan Wenger
- Re: [codec] Skype IPR disclosure stephen botzko
- Re: [codec] Skype IPR disclosure stephen botzko
- Re: [codec] Skype IPR disclosure Stephan Wenger
- Re: [codec] Skype IPR disclosure Marc Petit-Huguenin
- Re: [codec] Skype IPR disclosure Stephan Wenger
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure stephen botzko
- Re: [codec] Skype IPR disclosure Rob Glidden
- Re: [codec] Skype IPR disclosure stephen botzko
- Re: [codec] Skype IPR disclosure Rob Glidden