Genus
Colocasia
42 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 38 still protected comes off patent on August 13, 2027.
On the name: Filed as Colocasia. Now generally treated as a synonym under current taxonomy.
Still under patent — 38 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- MAUI MAGICPP19625Colocasia plant named ‘MAUI MAGIC’UNDER PATENTAugust 13, 2027
- Hawaiian EyePP19884Colocasia plant named ‘Hawaiian Eye’UNDER PATENTJanuary 4, 2028
- DIAMOND HEADPP19939Colocasia plant named ‘DIAMOND HEAD’UNDER PATENTJanuary 4, 2028
- BLUE HAWAIIPP20003Colocasia plant named ‘BLUE HAWAII’UNDER PATENTJanuary 4, 2028
- Hilo BayPP20108Colocasia plant named ‘Hilo Bay’UNDER PATENTJanuary 4, 2028
- PINEAPPLE PRINCESSPP20982Colocasia plant named ‘PINEAPPLE PRINCESS’UNDER PATENTAugust 23, 2028
- MojitoPP21995Colocasia plant named ‘Mojito’UNDER PATENTDecember 31, 2029
- KONA COFFEEPP22420Colocasia plant named ‘KONA COFFEE’UNDER PATENTNovember 30, 2030
- Black CoralPP23896Colocasia plant named ‘Black Coral’UNDER PATENTFebruary 17, 2032
- WHITE LAVAPP24481Colocasia plant named ‘WHITE LAVA’UNDER PATENTMarch 16, 2033
- MAUI GOLDPP24482Colocasia plant named ‘MAUI GOLD’UNDER PATENTMarch 16, 2033
- HAWAIIAN PUNCHPP24596Colocasia plant named ‘HAWAIIAN PUNCH’UNDER PATENTMarch 16, 2033
- Noble GigantePP25219Colocasia plant named ‘Noble Gigante’UNDER PATENTAugust 7, 2033
- Black RipplePP26151Colocasia plant named ‘Black Ripple’UNDER PATENTOctober 3, 2033
- Imperial GigantePP26152Colocasia plant named ‘Imperial Gigante’UNDER PATENTOctober 21, 2033
- Electric Blue GeckoPP26153Colocasia plant named ‘Electric Blue Gecko’UNDER PATENTOctober 21, 2033
- Dragon HeartPP26890Colocasia plant named ‘Dragon Heart’UNDER PATENTJuly 24, 2034
- Victorious GigantePP26891Colocasia plant named ‘Victorious Gigante’UNDER PATENTJuly 25, 2034
- Morning DewPP26865Colocasia plant named ‘Morning Dew’UNDER PATENTJuly 31, 2034
- Painted Black GeckoPP27733Colocasia plant named ‘Painted Black Gecko’UNDER PATENTMay 16, 2035
- Black Sapphire GeckoPP27966Colocasia plant named ‘Black Sapphire Gecko’UNDER PATENTJuly 24, 2035
- Maximus GigantePP28001Colocasia plant named ‘Maximus Gigante’UNDER PATENTJuly 24, 2035
- Fierce GigantePP28766Colocasia plant named ‘Fierce Gigante’UNDER PATENTMay 17, 2036
- Tropical StormPP28567Colocasia plant named ‘Tropical Storm’UNDER PATENTJuly 7, 2036
- AlohaPP29692Colocasia plant named ‘Aloha’UNDER PATENTMarch 8, 2037
- Distant MemoryPP30292Colocasia plant named ‘Distant Memory’UNDER PATENTFebruary 14, 2038
- Black SwanPP30318Colocasia plant named ‘Black Swan’UNDER PATENTFebruary 14, 2038
- Black GobletPP30339Colocasia plant named ‘Black Goblet’UNDER PATENTApril 23, 2038
- Maui SunrisePP31175Colocasia plant named ‘Maui Sunrise’UNDER PATENTDecember 3, 2038
- Tea PartyPP33081Colocasia plant named ‘Tea Party’UNDER PATENTApril 24, 2040
- Pharaohs MaskPP33772Colocasia plant named ‘Pharaohs Mask’UNDER PATENTNovember 25, 2040
- WaikikiPP34615Colocasia plant named ‘Waikiki’UNDER PATENTOctober 7, 2041
- coredePP34729Colocasia plant named ‘corede’UNDER PATENTDecember 3, 2041
- COPHANTOPP36533Colocasia plant named ‘COPHANTO’UNDER PATENTApril 27, 2044
- FLOCOCLEOPP36569Colocasia plant named ‘FLOCOCLEO’UNDER PATENTOctober 17, 2044
- FLOCOLEGYPP36570Colocasia plant named ‘FLOCOLEGY’UNDER PATENTOctober 18, 2044
- FLOCOPHADRPP37072Colocasia plant named ‘FLOCOPHADR’UNDER PATENTOctober 18, 2044
- Hawaiian LuauPP37138Colocasia plant named ‘Hawaiian Luau’UNDER PATENTFebruary 5, 2045
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.
- MidnightPP17887Colocasia plant named ‘Midnight’PUBLIC DOMAINFebruary 10, 2026
- PauakeaPP12342Taro cultivar named ‘Pauakea’PUBLIC DOMAINOctober 22, 2019
- Pa'lehuaPP12361Taro cultivar named ‘Pa'lehua’PUBLIC DOMAINOctober 22, 2019
- Pa'akalaPP12772Taro plant named ‘Pa'akala’PUBLIC DOMAINOctober 22, 2019
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.