Nursery or breeding house
DUPONT NURSERY INC
14 US plant patents, granted between 2002 and 2019.
On the name: these patents were filed under 2 spellings, counted together here — DUPONT NURSERY INC (11), Dupont Nursery (3).
Filed under the DUPONT name. Related entities are listed separately on the DUPONT search, because a company and a person are not the same filer even when the name matches.
Still under patent — 11 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Early Bird GoldPP20286Rudbeckia plant named ‘Early Bird Gold’UNDER PATENTJuly 7, 2028
- DUP-IPDPP27086Hibsicus plant named ‘DUP-IPD’UNDER PATENTJuly 18, 2034
- DUP-CYPPP27087Hibiscus plant named ‘DUP-CYP’UNDER PATENTJuly 18, 2034
- DUP-PTSPP30516Hibiscus plant named ‘DUP-PTS’UNDER PATENTFebruary 21, 2037
- DUP-PFDPP29970Hibiscus plant named ‘DUP-PFD’UNDER PATENTMarch 11, 2037
- DUP-MDLPP30102Hibiscus plant named ‘DUP-MDL’UNDER PATENTMarch 11, 2037
- DUP-ASPPP30099Hibiscus plant named ‘DUP-ASP’UNDER PATENTMay 4, 2037
- DUP-EODPP30103Hibiscus plant named ‘DUP-EOD’UNDER PATENTMay 4, 2037
- DUP-PKFPP30104Hibiscus plant named ‘DUP-PKF’UNDER PATENTMay 4, 2037
- DUP-FLCPP30297Hibiscus plant named ‘DUP-FLC’UNDER PATENTMay 4, 2037
- DUP-KLKPP31122Hibiscus plant named ‘DUP-KLK’UNDER PATENTMay 4, 2037
Already in the public domain — 3 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- Cajun BluePP16312Scaevola plant named ‘Cajun Blue’PUBLIC DOMAINFebruary 26, 2025
- GabrielPP12730Hibiscus plant named ‘Gabriel’PUBLIC DOMAINJanuary 29, 2021
- EvangelinePP12732Hibiscus plant named ‘Evangeline’PUBLIC DOMAINJanuary 29, 2021