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Subject: Re: [boost] Conflict with patent
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2010-07-20 14:11:03

Le 20/07/2010 16:09, Francisco José Tapia wrote:
> I am writing you because today, looking for other think I discovered a US
> patent “Positional access using a B-tree” ( US patent Number 7,120,637B2
> Oct, 10, 2006), and I don't know if this patent prevent the publication of
> the code in your library, because you can consider the red-black trees an
> simplification of B-trees If prevent, and you don't have an idea about the
> utility of the code, I will stop the develop, and I will spend my time with
> new ideas
> The idea about the counter trees you can find in “The art of computer
> Programming “ Donald Knuth, and I have a previous version of this code wrote
> 10 years ago and presented in my exposition in the Oposiciones a Catedrático
> de Informática ( Madrid 2001)

Patents become invalid if you can demonstrate prior art.
I wouldn't worry too much about it in this case.

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