> > > 'Grayzone' ?
> >
> > Mr. Dorian Gray's zone? Or a foggy grey zone?
> > (SCNR!)
> >
> > Hmm, "foggy" sounds nice :)
> > Or Foggy Bottom :)
> >
> Better than "tainted" :D

I like from tainted as that term is already somehow known,

Another alternative that came to my mind would be "challenge" as patents
could be challenged...

Or maybe "soap" or "slippery" to explain the uncertainty of
possible patents included packages.

Mika