Genus
Curcuma
30 US plant patents have been granted in this genus. 4 are already in the public domain — anyone may propagate and sell them. The next of the 26 still protected comes off patent on April 12, 2027.
Still under patent — 26 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- CurzenaPP19956Curcuma plant named ‘Curzena’UNDER PATENTApril 12, 2027
- CurdjennaPP20664Curcuma plant named ‘Curdjenna’UNDER PATENTOctober 8, 2028
- CurchocroPP24205Curcuma plant named ‘Curchocro’UNDER PATENTJune 5, 2032
- CurchocwiPP24206Curcuma plant named ‘Curchocwi’UNDER PATENTJune 5, 2032
- CuralimeiPP25124Curcuma plant named ‘Curalimei’UNDER PATENTJuly 15, 2033
- CurhalawiPP30408Curcuma plant named ‘Curhalawi’UNDER PATENTApril 20, 2038
- CurgeroPP30441Curcuma plant named ‘Curgero’UNDER PATENTApril 20, 2038
- CursnapaPP31180Curcuma plant named ‘Cursnapa’UNDER PATENTAugust 23, 2038
- CurdossimpPP31341Curcuma plant named ‘Curdossimp’UNDER PATENTJanuary 28, 2039
- CurchocimpPP31342Curcuma plant named ‘Curchocimp’UNDER PATENTJanuary 28, 2039
- CPH MagentaPP32255Curcuma plant named ‘CPH Magenta’UNDER PATENTMay 15, 2039
- CPH CoralPP32256Curcuma plant named ‘CPH Coral’UNDER PATENTMay 15, 2039
- CPH OrangePP32291Curcuma plant named ‘CPH Orange’UNDER PATENTMay 15, 2039
- CurhonimpPP32071Curcuma plant named ‘Curhonimp’UNDER PATENTMay 16, 2039
- Pink NeonPP32257Curcuma plant named ‘Pink Neon’UNDER PATENTMay 16, 2039
- ApolloPP32258Curcuma plant named ‘Apollo’UNDER PATENTMay 16, 2039
- Pink MagicPP32259Curcuma plant named ‘Pink Magic’UNDER PATENTMay 16, 2039
- Maroon HeartPP32260Curcuma plant named ‘Maroon Heart’UNDER PATENTMay 16, 2039
- CuralidimpPP32214Curcuma plant named ‘Curalidimp’UNDER PATENTOctober 17, 2039
- CuralirotiPP32740Curcuma plant named ‘Curaliroti’UNDER PATENTJanuary 11, 2040
- CursumokPP36155Curcuma plant named ‘Cursumok’UNDER PATENTNovember 15, 2043
- CuralishamuPP36451Curcuma plant named ‘Curalishamu’UNDER PATENTJune 4, 2044
- CuralivemowibloPP36572Curcuma plant named ‘Curalivemowiblo’UNDER PATENTJune 4, 2044
- Maejo Pink PearlPP36799Curcuma plant named ‘Maejo Pink Pearl’UNDER PATENTJune 28, 2044
- Maejo Green PearlPP36800Curcuma plant named ‘Maejo Green Pearl’UNDER PATENTJune 28, 2044
- Maejo White PearlPP36801Curcuma plant named ‘Maejo White Pearl’UNDER PATENTJune 28, 2044
Already in the public domain — 4 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.
- CurtinaPP19051Curcuma plant named ‘Curtina’PUBLIC DOMAINAugust 1, 2026
- LaddawanPP14304Curcuma plant named ‘Laddawan’PUBLIC DOMAINJanuary 2, 2022
- Thai SupremePP12866Curcuma plant named ‘Thai Supreme’PUBLIC DOMAINMay 11, 2020
- Thai BeautyPP12881Curcuma plant named ‘Thai Beauty’PUBLIC DOMAINMay 11, 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.