Re: [Evolution] "Mark all as Read" - Query.

(sorry Anthony, I meant to reply here)

On Fri, 2002-04-19 at 13:36, Anthony E. Greene wrote:

In the U.S., there is a patent that can be used to allow anyone to use
the idea. I seem to remember that it is something like registering a 
prior art with the Patent Office so that no one can try to get a
restrictive patent on the idea -- the USPTO version of copyleft. 

Isn't the prior art business just the thing about having *not* to do
anything until a patent is filed on some idea? *Then* you can cause the
patent to be void if you can prove that you've been using the idea for

Or is 'filing prior art' used to get that prove for a certainty for
ideas where it's perhaps difficult to prove that you had the idea first?

-- vbi

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