Plant
Viola
43 US plant patents name this plant. 8 have expired, so those cultivars are free to propagate and sell. The next of the 35 still protected comes off patent on October 11, 2027.
Still under patent — 35 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- SunviodaPP19237Viola plant named ‘Sunvioda’UNDER PATENTOctober 11, 2027
- SunviopapuPP20259Viola plant named ‘Sunviopapu’UNDER PATENTJanuary 25, 2028
- SunviopapuhoPP20285Viola plant named ‘Sunviopapuho’UNDER PATENTJanuary 25, 2028
- SunviolabuPP20264Viola plant named ‘Sunviolabu’UNDER PATENTJanuary 27, 2028
- SMEV1PP19882Viola plant named ‘SMEV1’UNDER PATENTFebruary 11, 2028
- HeartthrobPP19996Viola plant named ‘Heartthrob’UNDER PATENTJune 3, 2028
- SunviolemoPP20132Viola plant named ‘Sunviolemo’UNDER PATENTJune 9, 2028
- SunviotamaPP20135Viola plant named ‘Sunviotama’UNDER PATENTJune 9, 2028
- SunviofujiPP20438Viola plant named ‘Sunviofuji’UNDER PATENTAugust 4, 2028
- FlovelpurbiPP20722Viola plant named ‘Flovelpurbi’UNDER PATENTOctober 28, 2028
- FlovellemplPP20737Viola plant named ‘Flovellempl’UNDER PATENTOctober 28, 2028
- FlovelblPP20738Viola plant named ‘Flovelbl’UNDER PATENTOctober 28, 2028
- FlovellavyelPP20740Viola plant named ‘Flovellavyel’UNDER PATENTOctober 28, 2028
- FlovelwhPP20762Viola plant named ‘Flovelwh’UNDER PATENTOctober 28, 2028
- BalvijacPP21084Viola plant named ‘Balvijac’UNDER PATENTJanuary 8, 2029
- SunviopokiPP21332Viola plant named ‘Sunviopoki’UNDER PATENTJune 15, 2029
- SunviocobaPP21647Viola plant named ‘Sunviocoba’UNDER PATENTOctober 2, 2029
- SunviopinhoPP22120Viola plant named ‘Sunviopinho’UNDER PATENTApril 10, 2030
- SMEV2PP23033Viola plant named ‘SMEV2’UNDER PATENTFebruary 15, 2031
- KerviomeriPP22984Viola plant named ‘Kerviomeri’UNDER PATENTMarch 14, 2031
- KervioprisePP22994Viola plant named ‘Kervioprise’UNDER PATENTMarch 14, 2031
- KerviodeepPP22995Viola plant named ‘Kerviodeep’UNDER PATENTMarch 14, 2031
- KERVIOCHEEKYPP22996Viola plant named ‘KERVIOCHEEKY’UNDER PATENTMarch 14, 2031
- BlackoutPP23369Viola plant named ‘Blackout’UNDER PATENTSeptember 1, 2031
- Halo VioletPP24428Viola plant named ‘Halo Violet’UNDER PATENTNovember 15, 2032
- Halo Sky BluePP24541Viola plant named ‘Halo Sky Blue’UNDER PATENTJanuary 12, 2033
- Halo LilacPP24542Viola plant named ‘Halo Lilac’UNDER PATENTJanuary 18, 2033
- SMEV4PP24591Viola plant named ‘SMEV4’UNDER PATENTMarch 22, 2033
- SMEV3PP24592Viola plant named ‘SMEV3’UNDER PATENTMarch 22, 2033
- Halo Lemon FrostPP26383Viola plant named ‘Halo Lemon Frost’UNDER PATENTSeptember 20, 2034
- SMEV5PP26855Viola plant named ‘SMEV5’UNDER PATENTDecember 10, 2034
- Sunny JimPP28422Viola plant named ‘Sunny Jim’UNDER PATENTJanuary 25, 2036
- BonnyPP28352Viola plant named ‘Bonny’UNDER PATENTJanuary 30, 2036
- SweetheartPP28353Viola plant named ‘Sweetheart’UNDER PATENTJanuary 30, 2036
- Halo Golden YellowPP30900Viola plant named ‘Halo Golden Yellow’UNDER PATENTSeptember 6, 2038
Already in the public domain — 8 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.
- Lord PrimrosePP18253Viola plant named ‘Lord Primrose’PUBLIC DOMAINJune 7, 2026
- SunviobuPP17676Viola plant named ‘Sunviobu’PUBLIC DOMAINOctober 26, 2025
- SunviolahoPP17677Viola plant named ‘Sunviolaho’PUBLIC DOMAINOctober 26, 2025
- SunviolalemoPP16745Viola plant named ‘Sunviolalemo’PUBLIC DOMAINJanuary 23, 2025
- SunviolamariPP16713Viola plant named ‘Sunviolamari’PUBLIC DOMAINJanuary 9, 2025
- SunviobuhoPP16557Viola plant named ‘Sunviobuho’PUBLIC DOMAINNovember 7, 2024
- Viola cornuta plant named SunviohoPP16377PUBLIC DOMAINDecember 4, 2023
- Black MagicPP6595Bedding viola named `Black Magic`PUBLIC DOMAINAugust 6, 2007
Botanically this is Viola. A patent expiring frees the plant, and its cultivar name with it — cultivar names cannot be trademarked. Any brand name it is sold under is a separate thing and may still be owned.