Those patents and licenses cover specific areas of AmigaOS, such
things as the font engine and ARexx. Also the right mouse click
patent. But these can be removed from the sourceocde before giving to
AROS or any other agent. I'd note, they had to be removed before
giving it to Hyperion too. (Or at least I hope they had, or else
Hyperion is in deep doo-doo)
The font engine is a great example. The original font engine was
licensed, therefore it could not be used in any next-generation Amiga
design, as the license was to Commodore itself. Both AROS and
Hyperion have a replacement font engine as a result.
Similar things would occur, and be to the benefit of all.