Simple solution: change fees on a sliding scale based on number of applications per year. The little guys who might file for one patent in their lifetime won't

Simple solution: change fees on a sliding scale based on number of applications per year. The little guys who might file for one patent in their lifetime won't be affected. The IBMs won't be affected, because they expect an actual return on those patents. The shotgun-approach patent trolls will be affected, especially if frivolous patents are rejected.