Tetris clones

Jonathan Underwood jonathan.underwood at gmail.com
Tue May 1 14:07:04 UTC 2007

On 01/05/07, Alan Cox <alan at redhat.com> wrote:
> On Tue, May 01, 2007 at 08:28:17AM -0500, Tom spot Callaway wrote:
> > > should be removed, not just the name 'tetris'.  What is the legal status
> > > of tetris (and other game) clones?  Can we get some "official" word from
> > > a legal department on what is and isn't allowed?
> >
> > As long as the game doesn't use the "Tetris" trademark to describe
> > itself, the game is fine.
> Tetris is one to be very careful about as the Tetris company have a reputation
> for causing legal trouble.

A long discussion on precisely this issue can be found (without any
real resolution) here:


[I just checked the emacs-devel mailing list archives, and as far as I
can tell, noone has brought the whole matter to the attention of


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