Owning a patent is bad, but a Trademark is good?
Why not, as the Constitution already provides, protect all property?
After all, if an inventor doesn't own the product from his mind, there will be no reason to afford Trademark protections.
Your argument, and Kokesh's, is Left-Anarchist, and not An-Cap.
The People own ideas... that is your claim.
Not very Free Market, IMO.
The people owned all of the ideas in the former Soviet Union. Worked out well for them, didn't it?