:rolleyes:
The irony is neither do you... As an actual University Professor that teaches copyright and patent law allow me to educate you.
You should educate yourself first.
1. All the Amiga patents have expired by now.
2. AROS contains no AmigaOS source code. This should be obvious just by inspecting the code.
3. Writing code that does the exact same thing as copyrighted code is not illegal.