> That would mean only large companies would own patents. Wrong. If you applied a tax to IP that increases relatively fast over time (say doubles each year), y

> That would mean only large companies would own patents. Wrong. If you applied a tax to IP that increases relatively fast over time (say doubles each year), you could "easily" select the parameters so, that it makes cheap to hold your patent for a while after the invention ( assuming you have some revenue at least on sight), while making it too expensive to hoard patents for nothing, and make keeping the patents closed unnecessarily long for even the largest corporations.