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Subject: Re: About filed patent
To: legal-discuss@apache.org
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From: Mark Thomas <markt@apache.org>
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On 12/10/2015 10:12, Luke Han wrote:
> Hi Mark,
>      Kylin was developed in eBay and then contributed to Apache
> incubator project on Nov 2014,
> here's blog [1] and vote thread in general list [2]
>      The code include implementation of this filed patent.
>      For the "we" term, I mean Kylin PPMC, who is preparing for the
> graduation.

Thanks for the additional information.

Still with the IANAL and "I'm not representing the position of the ASF"
caveats...

I do no believe that there is any issue for eBay to continue to own this
patent. The patent license granted as a result of eBay's contribution is
sufficient. The patent does not need to be transferred to the ASF or
anything.

Neither does the existence of this patent cause any problems for the
Kylin project.

The terms of the ALv2 (specifically section 3) mean that this patent
does not represent any risk to the users of Kylin or anyone taking the
Kylin source and creating their own product from it. (Unless they decide
to instigate patent litigation over Kylin in which case the patent
license termination part of ALv2 section 3 kicks in.)

You might want to add a PATENTS.txt file alongside NOTICE.txt and
LICENSE.txt to let people know that this patent exists and to draw their
attention to the associated patent license as per ALv2 section 3.
Something like:

Kylin includes implementations of the following patents which are
licensed to you under the terms set out in the Apache License v2,
section 3 (see LICENSE.txt):
- <Insert suitable reference to patent here>

HTH,

Mark

> 
>      Thanks.
> 
> Luke
> 
> 
> [1] http://www.ebaytechblog.com/2014/10/20/announcing-kylin-extreme-olap-engine-for-big-data/
> [2] http://mail-archives.apache.org/mod_mbox/incubator-general/201411.mbox/%3CCAKmQrOaYncmrtmY2jm3CynXHZQv-EX_c-vQEy%2BRE%2BuDmYTXpTg%40mail.gmail.com%3E
> 
> 
> 
> 
> 
> 
> Best Regards!
> ---------------------
> 
> Luke Han
> 
> On Mon, Oct 12, 2015 at 4:07 PM, Mark Thomas <markt@apache.org
> <mailto:markt@apache.org>> wrote:
> 
>     On 12/10/2015 06:10, Luke Han wrote:
>     > Hi there,
>     >      Apache Kylin is going to graduate to TLP, this discussion [1] in
>     > general list now.
>     >
>     >      When we are preparing all the paper work, according Apache License
>     > and Patent [2], I would like to inquire about following:
>     >      Before open source Kylin, eBay has filed one patent with Kylin's
>     > idea: Hadoop OLAP Engine. And we have been told this should not an issue
>     > for eBay to continue to own this patent but just need some disclosure or
>     > something else.
>     >      Would you please help to kindly guide us if there's any process for
>     > this, should we involve our legal team for the detail and follow up?
>     >      Thanks.
> 
>     Putting to one side the whole "you can't / should not be able to patent
>     software" argument for now...
> 
>     With the usual IANAL and "I'm not representing the position of the ASF"
>     caveats...
> 
>     We need a little more background here.
> 
>     What is the relationship between eBay and Kylin? Did eBay contribute
>     part of the Kylin codebase? Did that contribution include an
>     implementation of the subject matter of the patent?
> 
>     You use "we" several times and it is not clear who "we" is. Is it the
>     Kylin PPMC, the ASF, eBay, someone else?
> 
>     Kind regards,
> 
>     Mark
> 
>     >
>     >
>     > [1] http://s.apache.org/KylinGradauteDiscussGeneral
>     > [2] http://www.apache.org/licenses/LICENSE-2.0#patent
>     >
>     >
>     > Best Regards!
>     > ---------------------
>     >
>     > Luke Han
> 
> 
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