The Plant Patent Act of 1930 was a tremendous step forward in the development of new cultivars for ornamental horticulture and for the benefit of the American public. The `Peace' rose, PP 591, was the single breakthrough that had maximum impact. Prom the Plant Patent Act, other forms of breeders' rights were spawned worldwide, including our own Plant Variety Protection Act (PVPA). Proof of the success has been the increasing use and acceptance of plant patents and the lack of challenges to the act and plant patent litigation.
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