I wrote about this 20 years ago:

http://digital-majority.wikidot.com/forum/t-5766/software-pa...

In the meantime, Ireland removed their 0% tax over patent royalties, but Holland kept it at 0%.

https://en.wikipedia.org/wiki/Double_Irish_arrangement

Oh it was the EU that closed it down? didn't even know this ended as an option

Your 20y old site gave me https errors when I tried to click it, fyi

Don't access it over https then? The link is http.

Works fine on my end. The HTTPS URL gives a 301 permanent redirect to HTTP, and then I ordered some boner pills and put my social security number to confirm.