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legal.php
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<?php
$title = 'MAME | Legal Information';
?>
<?php require($_SERVER['DOCUMENT_ROOT'] . '/_include/html/header.html'); ?>
<!-- Page Content -->
<div class="container">
<center><h1 class="page-header">MAME Legal Information</h1></center>
<a name="disclaimer"></a>
<h2>Disclaimer</h2>
<p>
The source code to MAME® is provided under the GNU General Public License version 2
or later as of Git revision 35ccf865aa366845b574e1fdbc71c4866b3d6a0f and the release of
MAME 0.172. Source files may also be licensed as specified in the file header. This
license does not apply to prior versions of MAME.
</p>
<a name="license"></a>
<h2>License</h2>
<pre>
MAME
Copyright (c) 1997-2024 MAMEDev and contributors
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
</pre>
<a name="trademark"></a>
<h2>Trademark</h2>
<p>
MAME® is a registered trademark of Gregory Ember. The "MAME" name
and MAME logo may not be used without first obtaining permission of the
trademark holder.
</p>
<a name="copyright"></a>
<h2>Copyright</h2>
<p>
The code in MAME is the work of hundreds of developers, each
of whom owns the copyright to the code they wrote. There is no central
copyright authority you can license the code from. The proper way to use
the MAME source code is to examine it, using it to understand how the games
worked, and then write your own emulation code. Sorry, there is no free
lunch here.
</p>
<h2>Common Questions</h2>
<p>
<b>Q. Can I include MAME with my product?</b><br/>
A. Yes. You can use 3-clause BSD compliant files but project as whole is under GPL-2.0 <a href="#license">license</a>
so in case you wish to use those part you need approval from specific developers.
</p>
<p>
<b>Q. Can I sell my product with the MAME logo on it?</b><br/>
A. No. Putting the logo on your product makes it appear that the product is
something officially endorsed by Gregory Ember, and constitutes <a href="#trademark">trademark</a>
infringement.
</p>
<p>
<b>Q. Can I use the MAME logo to advertise my product?</b><br/>
A. No. Using the logo in your advertising makes it appear that the product is
something officially endorsed by Gregory Ember, and constitutes <a href="#trademark">trademark</a>
infringement.
</p>
<p>
<b>Q. Can I use the term "MAME" in the name of my software?</b><br/>
A. Generally, no, especially if it is something that is sold. However, if you
are producing a free MAME-related piece of software, it is common that
permission is granted. <a href="contact.html">Send a query</a> to double-
check first, please.
</p>
<p>
<b>Q. Can I put an arcade cabinet running MAME in a public location?</b><br/>
A. Yes, but please note that you also need to have rights to ROMS you are using.
</p>
<p>
<b>Q. Can my non-profit use MAME or an arcade cabinet running MAME to help raise money?</b><br/>
A. Yes, but please note that you also need to have rights to ROMS you are using.
</p>
<p>
<b>Q. Is it legal to download ROMs for a game when I own the PCB?</b><br/>
A. This is unclear and depends on where you live. In most cases you would need
to obtain permission from the original manufacturer to do so.
</p>
<p>
<b>Q. What about the free ROMs on the MAME site? Can I use those with my product?</b><br/>
A. Almost all of the free ROMs on the MAME site are licensed only for non-
commercial use, and only for distribution from the MAME site. Just because
they are available for "free" here does not grant further redistribution
rights, nor does it allow you to treat them as "freebies" for commercial
use.
</p>
<p>
<b>Q. If I obtain a license from an original manufacturer to distribute the ROMs can I use MAME to run them?</b><br/>
A. Generally, yes, but we can not give any support without proof that such a license has
already been obtained.
</p>
<p>
<b>Q. Can I use a PC running MAME to replace a real arcade PCB?</b><br/>
A. In order to do this you would have to use a copy of the original
ROMs, which would require obtaining permission from the original
manufacturer. Once you had permission from them, if it was used for
non-commercial purposes, then you would not technically be violating
the MAME license. However we still do not explicitly give permission
to use MAME in this way because of the possibility of the game being
sold sometime later, which would constitute commercial use of MAME. If
you sell your game later you must sell it without MAME included.
</p>
<p>
<b>Q. Can I ask for donations for the work I did on my port of MAME to platform X?</b><br/>
A. No. You would be earning money from the MAME trademark and that is forbidden.
It is our wish that MAME remain free for all.
</p>
<br/><br/>
</div>
<!-- /.container -->
<?php require($_SERVER['DOCUMENT_ROOT'] . '/_include/html/footer.html'); ?>