It would be possible to, say, make it royalty free until either you tried to use it in litigation or, say, five years had passed.
If you can’t make the thing event slightly useful in five years, society doesn’t gain much for you having an exclusive monopoly on the thing. So long as the tax is low percentage wise, the yearly cost to keep it as your own would be well worth it.
If you can’t make the thing event slightly useful in five years, society doesn’t gain much for you having an exclusive monopoly on the thing. So long as the tax is low percentage wise, the yearly cost to keep it as your own would be well worth it.