Genus
Zamioculcas
20 US plant patents have been granted in this genus. 0 are already in the public domain — anyone may propagate and sell them. The next of the 20 still protected comes off patent on December 28, 2031.
Still under patent — 20 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- LUCKYPP23594Zamioculcas zamiifolia plant named ‘LUCKY’UNDER PATENTDecember 28, 2031
- LUCKYWHITPP23614Zamioculcas zamiifolia plant named ‘LUCKYWHIT’UNDER PATENTDecember 28, 2031
- HeemzamioPP26262Zamioculcas plant named ‘Heemzamio’UNDER PATENTMay 1, 2034
- HANSOTI13PP26760Zamioculcas plant named ‘HANSOTI13’UNDER PATENTJuly 25, 2034
- Dark ZamicroPP28847Zamioculcas plant named ‘Dark Zamicro’UNDER PATENTMay 31, 2036
- DowonPP30035Zamioculcas plant named ‘Dowon’UNDER PATENTMarch 30, 2037
- EDZAMDARK1PP30529Zamioculcas plant named ‘EDZAMDARK1’UNDER PATENTJanuary 25, 2038
- ChameleonPP32253Zamioculcas zamiifolia plant named ‘Chameleon’UNDER PATENTJanuary 28, 2039
- DUYZAM1801PP32608Zamioculcas plant named ‘DUYZAM1801’UNDER PATENTApril 21, 2040
- EDZAM1702PP33429Zamioculcas plant named ‘EDZAM1702’UNDER PATENTMay 6, 2040
- EDZAM1701PP33430Zamioculcas plant named ‘EDZAM1701’UNDER PATENTMay 6, 2040
- TVZAMBL1PP33531Zamioculcas plant named ‘TVZAMBL1’UNDER PATENTJune 16, 2040
- EDZAM1901PP34422Zamioculcas plant named ‘EDZAM1901’UNDER PATENTNovember 9, 2041
- EDZAM1902PP34423Zamioculcas plant named ‘EDZAM1902’UNDER PATENTNovember 9, 2041
- HeemsblaPP36326Zamioculcas plant named ‘Heemsbla’UNDER PATENTMay 19, 2043
- ZAM202201PP35642Zamioculcas plant named ‘ZAM202201’UNDER PATENTJune 16, 2043
- KingPP36154Zamioculcas plant named ‘King’UNDER PATENTDecember 14, 2043
- QueenPP36260Zamioculcas plant named ‘Queen’UNDER PATENTDecember 14, 2043
- EDZAM2202PP36796Zamioculcas plant named ‘EDZAM2202’UNDER PATENTOctober 11, 2044
- EDZAM2203PP36769Zamioculcas plant named ‘EDZAM2203’UNDER PATENTOctober 17, 2044
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.