Fork me on GitHub

MAME Legal Information

License

MAME is distributed with files under these licenses
BSD-3-Clause
LGPL-2.1+
GPL-2.0+

As whole project due to all licenses involved and usage of external libraries all under
specific licenses, MAME is distributed under GPL-2.0+

Trademark

MAME® is a registered trademark of Nicola Salmoria. The "MAME" name and MAME logo may not be used without first obtaining permission of the trademark holder.

Copyright

The code in MAME is the work of hundreds of developers, each of whom owns the copyright to the code they wrote. Depending of license marked in header of file you are able to use it under given license rules.

Common Questions

Q. Can I include MAME with my product?
A. Yes, but MAME is useless without ROMs, note that you would need to be a legal license owner in order to do so.

Q. Can I sell my product with the MAME logo on it?
A. No. Putting the logo on your product makes it appear that the product is something officially endorsed by Nicola Salmoria, and constitutes trademark infringement.

Q. Can I use the MAME logo to advertise my product?
A. No. Using the logo in your advertising makes it appear that the product is something officially endorsed by Nicola Salmoria, and constitutes trademark infringement.

Q. Can I use the term "MAME" in the name of my software?
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. Send a query to double- check first, please.

Q. Can I put an arcade cabinet running MAME in a public location?
A. Yes, but only in case you are legal owner of license rights for ROMs that are used

Q. Can my non-profit use MAME or an arcade cabinet running MAME to help raise money?
A. Yes, but only in case you are legal owner of license rights for ROMs that are used. For example in museum in which you have those computers or arcades, but only if local country copyright laws allows that.

Q. Is it legal to download ROMs for a game when I own the PCB?
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.

Q. What about the free ROMs on the MAME site? Can I use those with my product?
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.

Q. If I obtain a license from an original manufacturer to distribute the ROMs can I use MAME to run them?
A. Yes, and we are willing to help legal right owner to help them distribute their software using MAME as platform.