Have exponential increase in renewal fees. Most things would drop out of copyright after 10 years, but you could pay $1k a year to renew for year 10, $2k for ye

Have exponential increase in renewal fees. Most things would drop out of copyright after 10 years, but you could pay $1k a year to renew for year 10, $2k for year 11, $1m for year 20, $1b for year 30, etc. Same with patents.