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Subject: Re: Not quite so off topic (compressing table bases)

Author: Ratko V Tomic

Date: 20:54:40 01/03/06

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>congratulations for an exceptional and very important result! I think there may
>soon be news in some data compression programs so I have a question: is this
>algorithm patent free?

As with anything these days, from "single click order" of Amazon and up, there
is a patent application (still in pending state) on the novelty aspects of the
algorithm, as well as the copyright on the source code. That's how it has to be
done these days for ones own protection.

The non-commercial use of either is free (see license.txt). I would imagine if
Kodak wanted to put the algorithm into its digital camera some day, they would
need a commercial license (assuming patent is granted by then and their variant
uses the patented aspects). The educational & research use, even with a
commercial aspect (e.g. a college charging for a CS course and using the code or
preprints for teaching), is also free. I am not an attorney and haven't dwelt on
this topic beyond the absolute minimum I couldn't avoid, so that's roughly my
understanding of the IP status and the licensing.



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