Free list built from the USDA Plant Variety Protection Office's public status report.
Read before relying on this: End dates are
calculated as the issue date plus the "Years Protected" USDA lists, because USDA's own "Status Date" field is often unreliable (in 740 expired records it simply repeats the issue date). Some certificates USDA still lists as "Issued" even though their term has run out. Those rows are flagged. A variety may still be covered by a
utility patent (common for biotech traits in corn, cotton, soybean, and canola) or by a
trademark on its brand name. USDA states it "cannot guarantee the accuracy of the Status and Status Date fields." Verify with USDA before you act.
Details. Not legal advice.
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