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Subject: Are dice types copyrighted? rss

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john m
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Can you make a game with any dice type, like d20? Other "sided" dice types?
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Richard Morris
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johnnyLikesGames wrote:
Can you make a game with any dice type, like d20? Other "sided" dice types?


Yes. You will not be able to copy graphics on 'special' dice, but if all you want are generic D20s, etc., then there will be no problems.
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Tim Stellmach
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You might want to bone up on what copyright even is. Copyright covers the manner of expression of ideas, not the design of useful objects (which would be a matter for patents).
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Bwian, just
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IIRC, there is a patent on some varieties of "pencil" dice: the ones that look like cylinders with facets to the midway point from each end. Unfortunately I don't remember the companies involved, and a quick Google search didn't turn anything up. (Well, a 5-sided die patent also exists, but I didn't find the reference I was looking for.)

If you're just using the standard platonic solids, I think you're on pretty solid ground. If nothing else, those have been in production for over 25 years, and any patents should have expired.
 
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Bwian wrote:
I don't remember the companies involved


Sounds like Crystal Caste v. Hasbro. A version of Monopoly used the elongated rolling logs.

IANAL, but I think patents are the question, not copyright.
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John "Omega" Williams
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The various die date back to ancient times. d4s, D6s, d20s, d10s I've seen in museums. Probably d8s and eventually d12s once you got out from under the Pythagorean secrecy over these shapes.

These are all open to anyone.

Its when you start using weird shapes like the elongated crystal dice, or special engraved dice, or custom sided die like Dragon Dice that you cant copy these patterns used on the dice.

I believe the crystal dice and that odd d100 in a sphere are patented. But not positive on that.
 
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Damian
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You may find this page on dicecollector.com useful in determining if the dice shape you want is patented.
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