You misrepresent the case Monsanto vs. Schmeiser. It very specifically was not about accidentally re-planting seeds that "blew" onto their land; the farmer was

You misrepresent the case Monsanto vs. Schmeiser. It very specifically was not about accidentally re-planting seeds that "blew" onto their land; the farmer was intentionally using Monsanto's breed of seeds commercially. Monsanto or not, every seed breed developer has right to protect their IPR.