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From Doug Cutting <cutt...@apache.org>
Subject Re: Patents and contributions in Contributor License Agreement
Date Mon, 02 May 2011 16:03:51 GMT
On 04/30/2011 09:57 PM, Henri Yandell wrote:
>> What is the difference between contributions and combinations of contributions?
> 
> From the text:
> 
> "where such license applies only to those patent claims
>    licensable by You that are necessarily infringed by Your
>    Contribution(s) alone or by combination of Your Contribution(s)
>    with the Work to which such Contribution(s) was submitted"
> 
> So this means that if you grant a patent license for your
> contributions and for your contributions plus the existing work. ie)
> If you add the last tiny commit such that a piece of work is now
> considered by someone to fulfill your patent, you license said patent
> to the CLA'd entity even if your commit was only the last in a long
> line of contributions.

Some also interpret this clause to state that, if a work already
implements your patent, then when you contribute to that work, even in a
manner unrelated to your patent, you grant a license to your patent.

Doug

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