• Alternative to exclusive monopolies.

• Breeder entitlement operates as a liability rule and not as an exclusive property right.

• Registered plant varieties may be utilized freely, but all second-comers must pay compensation to right-holder.

• Proposed alternative IP system for computer software (similar 'copying' risk as seeds).

• Enforcement critical

• Follow-on innovation compensation terms essential.

• Currently only theory--not implemented in plant IPRs.