A bridge troll finds a bridge and then starts extracting toll from everyone crossing it without providing any benefit.
A landlord is pretty close but not quite the same.
But landlordship leads to most humans being born on this Earth already indebted into serfdom to the ones “owning” the land.
What consists of "not used" or "fairly licensed"? Who decides this, and how do those definitions evolve over time? Like most legal frameworks they would likely lag behind the reality of the times they are applied to...
I'm all for trying to prevent abuses and patent trolls and the like, but it's not as easy to solve as it might seem.
What if the production cycle is longer than 5 years?
> the patent holder has listed a process and conditions under which the patent can be licensed, there exists a mediation process in case an applicant deems the fees/conditions to be excessive, and there are no complaints filed at the regulatory agency about unfair treatment
This sounds like something that everyone would dispute, and there would be a years-long waiting list for mediation.
I agree with you in principle, but I just think it wouldn't work.
You've just moved the greed from one place to another.
... by patent trolling