The inherent tendency of patented seeds to self-replicate has led to fears that farmers might face liability for inadvertent patent infringement. To address the perceived problem, some have proposed severely limiting the availability of effective patent protection for self-replicating technologies. Typical examples include denying patent rights to “second generation” selfreplicating products, and even broadly declaring such technologies ineligible for patent protection. The fact is, lawsuits against inadvertently infringing farmers remain of largely hypothetical concern. However, changes in the market could soon render such lawsuits a reality. In addressing the resulting policy concerns, Congress and the courts have at their disposal a vari...