The US was the first country to offer exclusive rights for new plant varieties. Amendments to the Patent Act passed in 1930 incorporated "plant patents" for the first time, protecting intellectual property rights for development of new plant varieties through asexual reproduction.
美國是第一個賦予植物品種權的國家，其在 1930 年修訂《專利法》時，首度增列了「植物專利」，保障無性繁殖植物新品種的研發智慧財產。