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Topic: copyright for sudokus ?
Replies: 15   Last Post: Sep 16, 2005 2:41 PM

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Posts: 4,825
Registered: 8/14/05
Re: copyright for sudokus ?
Posted: Sep 14, 2005 4:23 PM
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guenter wrote:
> I'm curious whether you can successfully claim copyright
> for a particular set of sudokus, like those which appear
> in books or newspapers or webpages, where the authors
> sometimes claim copyright for them.

Check out how crossword puzzles are handled. They, too, can be
generated by computer, so whatever applies to them SHOULD apply to
Sudoku. (I say "should" because I'm not a lawyer.)

--- Christopher Heckman, Member, Anti-Bar Association

> I mean, they can be generated by public domain computer
> programs, hundredth per second, so this hardly qualifies
> as "creative work" which is required to claim copyright
> Sudokus are also just combinatorical entities like QWH-instances
> (quasigroup with holes, sudokus without the blocks-constraint),
> which I think can't be copyright. Or can they ?
> Can you successfully claim copyright for latin squares,
> permutations, numbers then ?
> What's the smallest known copyrighted number ?
> Is there a list, which numbers are copyrighted ?
> Is there a list, which sudokus are copyrighted ?
> When I grab sudokus from the web or from books and put them into
> a public database, can that be illegal in some countries ?
> -Guenter.

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