In general, the runtime and its class libraries are licensed under the
terms of the MIT license, and some third party code is licensed under
-the 3-clause BSD license.
-
-
+the 3-clause BSD license. See the file "PATENTS.TXT" for Microsoft's
+patent grant on the Mono codebase.
The Mono distribution does include a handful of pieces of code that
are used during the build system and are covered under different