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Plant Variety Protection Act of 1970
The Plant Variety Protection Act of 1970 (PVPA), 7 U.S.C. §§ 2321-2582, is an intellectual property statute in the United States. The PVPA gives breeders up to 25 years of exclusive control over new, distinct, uniform, and stable sexually reproduced or tuber propagated plant varieties. A major expression of plant breeders' rights in the United States, the PVPA grants protection similar to that available through patents, but these legal schemes differ in critical respects. The PVPA should not be confused with plant patents, which are limited to asexually reproduced plants (not including tuber propagated plants).
==Basic provisions==
The PVPA confers a limited period of legal control to breeders of sexually reproduced or tuber propagated plant varieties. In order to be eligible for a certificate under the PVPA, a plant variety must satisfy four requirements. First, it must be ''new'', in the sense that propagating or harvested material has not been sold or otherwise disposed of for purposes of exploitation for more than one year in the United States, or more than four years in any foreign jurisdiction (or six years in the case of a tree or vine). Second, the variety must be ''distinct''—that is, clearly distinguishable from any other publicly known variety. Distinctness may be based on one or more identifiable morphological, physiological, or other characteristics, including commercially valuable characteristics affecting activities such as milling and baking (in the case of wheat). Third, the variety must be ''uniform'', in the sense that any variations are describable, predictable, and commercially acceptable. Finally, the variety must be ''stable'', in the sense that the variety, when reproduced, will remain unchanged with regard to its essential and distinctive characteristics within a reasonable degree of commercial reliability.
A plant variety certificate gives the breeder the right to exclude others from selling the variety, or offering it for sale, or reproducing it, or importing it, or exporting it, or using it in producing (as distinguished from developing) a hybrid or different variety. The term of protection runs 20 years from the certificate's date of issue, or 25 years in the case of a tree or vine.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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