Genus
Dieffenbachia
34 US plant patents have been granted in this genus. 27 are already in the public domain — anyone may propagate and sell them. The next of the 7 still protected comes off patent on December 13, 2031.
Still under patent — 7 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- DelilahPP23306Dieffenbachia plant named ‘Delilah’UNDER PATENTDecember 13, 2031
- REEVAPP29666Dieffenbachia plant named ‘REEVA’UNDER PATENTOctober 17, 2037
- COOL BEAUTYPP32372Dieffenbachia plant named ‘COOL BEAUTY’UNDER PATENTNovember 7, 2039
- MAROBA 3PP33432Dieffenbachia plant named ‘MAROBA 3’UNDER PATENTNovember 25, 2040
- A1PP34711Dieffenbachia seguine plant named ‘A1’UNDER PATENTMarch 7, 2042
- DIEMAWOPP36393Dieffenbachia plant named ‘DIEMAWO’UNDER PATENTFebruary 24, 2044
- DIFMUMRS23PP36702Dieffenbachia plant named ‘DIFMUMRS23’UNDER PATENTNovember 25, 2044
Already in the public domain — 27 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.
- ElyPP17488Dieffenbachia plant named ‘Ely’PUBLIC DOMAINOctober 16, 2025
- MaryPP17453Dieffenbachia plant named ‘Mary’PUBLIC DOMAINSeptember 28, 2025
- NicolettePP15078Dieffenbachia plant named ‘Nicolette’PUBLIC DOMAINFebruary 19, 2023
- SterlingPP14762Dieffenbachia plant named ‘Sterling’PUBLIC DOMAINNovember 26, 2022
- NicolePP14511Dieffenbachia plant named ‘Nicole’PUBLIC DOMAINSeptember 17, 2022
- HatsukoPP12776Dieffenbachia plant named ‘Hatsuko’PUBLIC DOMAINMarch 24, 2021
- Bryant CompactaPP12626Dieffenbachia plant named ‘Bryant Compacta’PUBLIC DOMAINApril 28, 2020
- CamouflagePP12275Dieffenbachia plant named ‘Camouflage’PUBLIC DOMAINJanuary 18, 2020
- Tropic BreezePP9782Dieffenbachia plant named `Tropic Breeze`PUBLIC DOMAINApril 17, 2015
- Tropic ForestPP9425Dieffenbachia plant named Tropic ForestPUBLIC DOMAINJanuary 19, 2015
- Tropic DawnPP9434Dieffenbachia plant named Tropic DawnPUBLIC DOMAINJanuary 19, 2015
- Tropic RainPP9545Dieffenbachia plant named Tropic RainPUBLIC DOMAINJanuary 19, 2015
- 61101PP9694Dieffenbachia named `61101`PUBLIC DOMAINNovember 17, 2014
- MarobaPP9220Dieffenbachia plant `Maroba` cultivarPUBLIC DOMAINJune 13, 2014
- PacoPP9112Dieffenbachia plant named PacoPUBLIC DOMAINApril 5, 2014
- 695-1PP9050Dieffenbachia named 695-1PUBLIC DOMAINNovember 15, 2013
- 68814PP9051Dieffenbachia named 68814PUBLIC DOMAINNovember 15, 2013
- Tropic MariannePP8832Dieffenbachia plant named Tropic MariannePUBLIC DOMAINAugust 18, 2013
- TikiPP7298Dieffenbachia plant named TikiPUBLIC DOMAINJune 13, 2009
- MorlemPP7579Dieffenbachia cv. MorlemPUBLIC DOMAINJune 1, 2009
- Golden SunsetPP7317Dieffenbachia plant named Golden SunsetPUBLIC DOMAINMay 18, 2009
- maculataPP6292Dieffenbachia maculata named Rebecca's JewelPUBLIC DOMAINSeptember 11, 2006
- Millie WhitePP6420Dieffenbachia named "Millie White"PUBLIC DOMAINApril 11, 2006
- MorlofPP5740Dieffenbachia cv. MorlofPUBLIC DOMAINMarch 14, 2004
- CamroPP5657Dieffenbachia cv. CamroPUBLIC DOMAINJuly 25, 2003
- Dieffenbachia plantPP4504PUBLIC DOMAINAugust 31, 1998
- UleryiiPP4045Dieffenbachia named UleryiiPUBLIC DOMAINApril 26, 1994
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.