Genus
Papaver
22 US plant patents have been granted in this genus. 15 are already in the public domain — anyone may propagate and sell them. The next of the 7 still protected comes off patent on September 14, 2026.
Still under patent — 7 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- White RufflesPP18643Papaver plant named ‘White Ruffles’UNDER PATENTSeptember 14, 2026
- Ruffled Princess of OrangePP18647Papaver plant named ‘Ruffled Princess of Orange’UNDER PATENTSeptember 14, 2026
- Ruffled PattyPP18609Papaver plant named ‘Ruffled Patty’UNDER PATENTSeptember 27, 2026
- CasinoPP19014Papaver plant named ‘Casino’UNDER PATENTFebruary 14, 2027
- Flamenco DancerPP20123Papaver orienbtale plant named ‘Flamenco Dancer’UNDER PATENTJanuary 7, 2028
- ParadisoPP20188Papaver plant named ‘Paradiso’UNDER PATENTJune 16, 2028
- HG01PP36315Papaver plant named ‘HG01’UNDER PATENTAugust 22, 2043
Already in the public domain — 15 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.
- Little CandyflossPP17573Papaver plant named ‘Little Candyfloss’PUBLIC DOMAINOctober 12, 2025
- Pink PearlPP17609Papaver plant named ‘Pink Pearl’PUBLIC DOMAINOctober 12, 2025
- Miss PiggyPP17610Papaver plant named ‘Miss Piggy’PUBLIC DOMAINOctober 12, 2025
- InfernoPP17345Papaver plant named ‘Inferno’PUBLIC DOMAINJune 23, 2025
- FireflyPP17341Papaver plant named ‘Firefly’PUBLIC DOMAINJune 4, 2025
- MatadorPP17349Papaver plant named ‘Matador’PUBLIC DOMAINJune 4, 2025
- MandarinPP17350Papaver plant named ‘Mandarin’PUBLIC DOMAINJune 4, 2025
- Scarlet O'HaraPP17333Papaver plant named ‘Scarlet O'Hara’PUBLIC DOMAINMay 31, 2025
- SunsetPP17337Papaver plant named ‘Sunset’PUBLIC DOMAINMay 31, 2025
- Fancy FeathersPP17348Papaver plant named ‘Fancy Feathers’PUBLIC DOMAINMay 31, 2025
- CarmenPP17362Papaver plant named ‘Carmen’PUBLIC DOMAINMay 31, 2025
- CastanettePP17363Papaver plant named ‘Castanette’PUBLIC DOMAINMay 31, 2025
- PapillonPP14631Papaver plant named ‘Papillon’PUBLIC DOMAINMay 13, 2023
- Baby KissPP14638Papaver plant named ‘Baby Kiss’PUBLIC DOMAINMay 13, 2023
- Pink RufflesPP12712Papaver plant named ‘Pink Ruffles’PUBLIC DOMAINJuly 24, 2020
A patent expiring frees the plant, and its cultivar name comes with it — cultivar names cannot be trademarked, so they are always free to use. What it does not free is any brand name the plant is marketed under. Those are trademarks and renew indefinitely.