Genus
Helleborus
195 US plant patents have been granted in this genus. 10 are already in the public domain — anyone may propagate and sell them. The next of the 185 still protected comes off patent on April 3, 2027.
Still under patent — 185 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- WalheroPP19439Helleborus plant named ‘Walhero’UNDER PATENTApril 3, 2027
- Candy LovePP19413Helleborus plant named ‘Candy Love’UNDER PATENTOctober 29, 2027
- Snow LovePP19559Helleborus plant named ‘Snow Love’UNDER PATENTOctober 29, 2027
- BLT04PP20827Helleborus plant named ‘BLT04’UNDER PATENTDecember 12, 2028
- BLT03PP20881Helleborus plant named ‘BLT03’UNDER PATENTDecember 12, 2028
- BLT02PP21093Helleborus plant named ‘BLT02’UNDER PATENTDecember 15, 2028
- COSEH 700PP21003Helleborus plant named ‘COSEH 700’UNDER PATENTJanuary 7, 2029
- COSEH210PP21048Helleborus plant named ‘COSEH210’UNDER PATENTJanuary 7, 2029
- COSEH 710PP21063Helleborus plant named ‘COSEH 710’UNDER PATENTJanuary 7, 2029
- COSEH 220PP21092Helleborus plant named ‘COSEH 220’UNDER PATENTJanuary 7, 2029
- HGP02PP20979Helleborus plant named ‘HGP02’UNDER PATENTJanuary 16, 2029
- HGP01PP21062Helleborus plant named ‘HGP01’UNDER PATENTJanuary 16, 2029
- EMMAPP21126Helleborus plant named ‘EMMA’UNDER PATENTMarch 27, 2029
- AlexiaPP21149Helleborus plant named ‘Alexia’UNDER PATENTMarch 27, 2029
- COSEH 230PP21242Helleborus plant named ‘COSEH 230’UNDER PATENTApril 20, 2029
- HLR 120PP21503Helleborus plant named ‘HLR 120’UNDER PATENTJuly 8, 2029
- HLR 160PP21504Helleborus plant named ‘HLR 160’UNDER PATENTJuly 8, 2029
- HLR 140PP21526Helleborus plant named ‘HLR 140’UNDER PATENTJuly 8, 2029
- CinderellaPP21832Helleborus plant named ‘Cinderella’UNDER PATENTJanuary 6, 2030
- HLR 150PP22017Helleborus plant named ‘HLR 150’UNDER PATENTMarch 31, 2030
- COSEH 750PP22018Helleborus plant named ‘COSEH 750’UNDER PATENTMarch 31, 2030
- HLR 170PP22019Helleborus plant named ‘HLR 170’UNDER PATENTMarch 31, 2030
- HLR 180PP22020Helleborus plant named ‘HLR 180’UNDER PATENTMarch 31, 2030
- COSEH 720PP22021Helleborus plant named ‘COSEH 720’UNDER PATENTMarch 31, 2030
- COSEH 740PP22022Helleborus plant named ‘COSEH 740’UNDER PATENTMarch 31, 2030
- COSEH 770PP22256Helleborus plant named ‘COSEH 770’UNDER PATENTApril 23, 2030
- COSEH 760PP22708Helleborus plant named ‘COSEH 760’UNDER PATENTNovember 6, 2030
- COSEH 820PP22347Helleborus plant named ‘COSEH 820’UNDER PATENTMay 9, 2031
- COSEH 830PP22348Helleborus plant named ‘COSEH 830’UNDER PATENTMay 9, 2031
- COSEH 840PP22349Helleborus plant named ‘COSEH 840’UNDER PATENTMay 9, 2031
- COSEH 810PP22350Helleborus plant named ‘COSEH 810’UNDER PATENTMay 9, 2031
- COSEH 790PP22424Helleborus plant named ‘COSEH 790’UNDER PATENTMay 9, 2031
- COSEH 800PP22425Helleborus plant named ‘COSEH 800’UNDER PATENTMay 9, 2031
- COSEH 780PP22426Helleborus plant named ‘COSEH 780’UNDER PATENTMay 9, 2031
- VERBEAUTY2PP23753Helleborus plant named ‘VERBEAUTY2’UNDER PATENTDecember 22, 2031
- COSEH 940PP23772Helleborus plant named ‘COSEH 940’UNDER PATENTFebruary 6, 2032
- COSEH 860PP23773Helleborus plant named ‘COSEH 860’UNDER PATENTFebruary 6, 2032
- HLR 190PP23820Helleborus plant named ‘HLR 190’UNDER PATENTFebruary 6, 2032
- COSEH 890PP23859Helleborus plant named ‘COSEH 890’UNDER PATENTFebruary 6, 2032
- COSEH 910PP23879Helleborus plant named ‘COSEH 910’UNDER PATENTFebruary 6, 2032
- COSEH 900PP23880Helleborus plant named ‘COSEH 900’UNDER PATENTFebruary 6, 2032
- COSEH 930PP23898Helleborus plant named ‘COSEH 930’UNDER PATENTFebruary 6, 2032
- WinterbellsPP24434Helleborus plant named ‘Winterbells’UNDER PATENTFebruary 8, 2032
- ABCRD02PP24720Helleborus plant named ‘ABCRD02’UNDER PATENTMay 23, 2032
- ABCRD01PP24149Helleborus plant named ‘ABCRD01’UNDER PATENTJune 18, 2032
- COSEH 950PP24289Helleborus plant named ‘COSEH 950’UNDER PATENTJuly 18, 2032
- COSEH 960PP24272Helleborus plant named ‘COSEH 960’UNDER PATENTJuly 24, 2032
- COSEH 970PP24310Helleborus plant named ‘COSEH 970’UNDER PATENTJuly 24, 2032
- COSEH 1010PP25314Helleborus plant named ‘COSEH 1010’UNDER PATENTJune 29, 2033
- COSEH 1050PP25328Helleborus plant named ‘COSEH 1050’UNDER PATENTJune 29, 2033
- NVDH 100PP25283Helleborus plant named ‘NVDH 100’UNDER PATENTJuly 1, 2033
- COSEH 1060PP25317Helleborus plant named ‘COSEH 1060’UNDER PATENTJuly 3, 2033
- COSEH 1030PP25288Helleborus plant named ‘COSEH 1030’UNDER PATENTJuly 11, 2033
- COSEH 1070PP25312Helleborus plant named ‘COSEH 1070’UNDER PATENTJuly 12, 2033
- COSEH 980PP25313Helleborus plant named ‘COSEH 980’UNDER PATENTJuly 12, 2033
- COSEH 1000PP25316Helleborus plant named ‘COSEH 1000’UNDER PATENTJuly 16, 2033
- COSEH 1040PP25315Helleborus plant named ‘COSEH 1040’UNDER PATENTJuly 23, 2033
- COSEH 990PP25346Helleborus plant named ‘COSEH 990’UNDER PATENTJuly 23, 2033
- LEM 100PP25646Helleborus plant named ‘LEM 100’UNDER PATENTNovember 12, 2033
- EPBRD01PP25685Helleborus plant named ‘EPBRD01’UNDER PATENTNovember 12, 2033
- COSEH 3020PP26445Helleborus plant named ‘COSEH 3020’UNDER PATENTJuly 11, 2034
- COSEH 1090PP26446Helleborus plant named ‘COSEH 1090’UNDER PATENTJuly 13, 2034
- COSEH 3030PP26489Helleborus plant named ‘COSEH 3030’UNDER PATENTJuly 13, 2034
- COSEH 3040PP26490Helleborus plant named ‘COSEH 3040’UNDER PATENTJuly 13, 2034
- COSEH 3060PP26491Helleborus plant named ‘COSEH 3060’UNDER PATENTJuly 13, 2034
- COSEH 3010PP26492Helleborus plant named ‘COSEH 3010’UNDER PATENTJuly 13, 2034
- COSEH 3000PP26487Helleborus plant named ‘COSEH 3000’UNDER PATENTJuly 17, 2034
- COSEH 1080PP26519Helleborus plant named ‘COSEH 1080’UNDER PATENTJuly 17, 2034
- COSEH 3050PP26488Helleborus plant named ‘COSEH 3050’UNDER PATENTJuly 28, 2034
- AmorPP27119Helleborus plant named ‘Amor’UNDER PATENTJanuary 26, 2035
- RD06PP27120Helleborus plant named ‘RD06’UNDER PATENTFebruary 11, 2035
- RD09PP27121Helleborus plant named ‘RD09’UNDER PATENTFebruary 11, 2035
- EPB 30PP27970Helleborus plant named ‘EPB 30’UNDER PATENTSeptember 15, 2035
- EPB 29PP28010Helleborus plant named ‘EPB 29’UNDER PATENTSeptember 15, 2035
- EPB 12PP28038Helleborus plant named ‘EPB 12’UNDER PATENTSeptember 15, 2035
- EPB 32PP28007Helleborus plant named ‘EPB 32’UNDER PATENTSeptember 18, 2035
- EPB 31PP28009Helleborus plant named ‘EPB 31’UNDER PATENTSeptember 18, 2035
- EPB 20PP27969Helleborus plant named ‘EPB 20’UNDER PATENTSeptember 21, 2035
- EPB 25PP28008Helleborus plant name ‘EPB 25’UNDER PATENTSeptember 21, 2035
- JHE00091PP27968Helleborus plant named ‘JHE00091’UNDER PATENTOctober 9, 2035
- COSEH 3090PP28262Helleborus plant named ‘COSEH 3090’UNDER PATENTApril 11, 2036
- COSEH 3110PP28263Helleborus plant named ‘COSEH 3110’UNDER PATENTApril 11, 2036
- COSEH 4500PP28293Helleborus plant named ‘COSEH 4500’UNDER PATENTApril 11, 2036
- COSEH 4000PP28294Helleborus plant named ‘COSEH 4000’UNDER PATENTApril 11, 2036
- COSEH 3080PP28295Helleborus plant named ‘COSEH 3080’UNDER PATENTApril 11, 2036
- COSEH 4100PP28296Helleborus plant named ‘COSEH 4100’UNDER PATENTApril 11, 2036
- COSEH 4200PP28297Helleborus plant named ‘COSEH 4200’UNDER PATENTApril 11, 2036
- COSEH 3120PP28298Helleborus plant named ‘COSEH 3120’UNDER PATENTApril 11, 2036
- COSEH 3100PP28299Helleborus plant named ‘COSEH 3100’UNDER PATENTApril 11, 2036
- MONOBYRN1PP29349Helleborus plant named ‘MONOBYRN1’UNDER PATENTJuly 8, 2036
- MONOBYRN2PP29350Helleborus plant named ‘MONOBYRN2’UNDER PATENTJuly 8, 2036
- EPB 210PP29873Helleborus plant named ‘EPB 210’UNDER PATENTNovember 20, 2037
- COSEH 3130PP30411Helleborus plant named ‘COSEH 3130’UNDER PATENTNovember 27, 2037
- COSEH 3140PP30442Helleborus plant named ‘COSEH 3140’UNDER PATENTNovember 27, 2037
- COSEH 4600PP30488Helleborus plant named ‘COSEH 4600’UNDER PATENTNovember 27, 2037
- JHE00202PP30842Helleborus plant named ‘JHE00202’UNDER PATENTJanuary 12, 2038
- JHE00203PP30857Helleborus plant named ‘JHE00203’UNDER PATENTJanuary 12, 2038
- EPB 24PP30807Helleborus plant named ‘EPB 24’UNDER PATENTJuly 12, 2038
- COSEH 4700PP31181Helleborus plant named ‘COSEH 4700’UNDER PATENTNovember 15, 2038
- COSEH 4800PP31182Helleborus plant named ‘COSEH 4800’UNDER PATENTNovember 15, 2038
- COSEH 4900PP31183Helleborus plant named ‘COSEH 4900’UNDER PATENTNovember 15, 2038
- COSEH 5000PP31184Helleborus plant named ‘COSEH 5000’UNDER PATENTNovember 15, 2038
- COSEH 5900PP32340Helleborus plant named ‘COSEH 5900’UNDER PATENTNovember 29, 2039
- COSEH 6900PP32383Helleborus plant named ‘COSEH 6900’UNDER PATENTNovember 29, 2039
- COSEH 5400PP32384Helleborus plant named ‘COSEH 5400’UNDER PATENTNovember 29, 2039
- COSEH 5200PP32412Helleborus plant named ‘COSEH 5200’UNDER PATENTNovember 29, 2039
- COSEH 7100PP32413Helleborus plant named ‘COSEH 7100’UNDER PATENTNovember 29, 2039
- COSEH 5600PP32452Helleborus plant named ‘COSEH 5600’UNDER PATENTNovember 29, 2039
- COSEH 7500PP32487Helleborus plant named ‘COSEH 7500’UNDER PATENTNovember 29, 2039
- COSEH 5100PP32527Helleborus plant named ‘COSEH 5100’UNDER PATENTNovember 29, 2039
- COSEH 5300PP32528Helleborus plant named ‘COSEH 5300’UNDER PATENTNovember 29, 2039
- COSEH 5700PP32529Helleborus plant named ‘COSEH 5700’UNDER PATENTNovember 29, 2039
- COSEH 7900PP32870Helleborus plant named ‘COSEH 7900’UNDER PATENTMay 27, 2040
- COSEH 6000PP32871Helleborus plant named ‘COSEH 6000’UNDER PATENTMay 27, 2040
- COSEH 8000PP32872Helleborus plant named ‘COSEH 8000’UNDER PATENTMay 27, 2040
- COSEH 7700PP32995Helleborus plant named ‘COSEH 7700’UNDER PATENTMay 27, 2040
- COSEH 6300PP32996Helleborus plant named ‘COSEH 6300’UNDER PATENTMay 27, 2040
- COSEH 6600PP32997Helleborus plant named ‘COSEH 6600’UNDER PATENTMay 27, 2040
- COSEH 7300PP33012Helleborus plant named ‘COSEH 7300’UNDER PATENTMay 27, 2040
- COSEH 8100PP33303Helleborus plant named ‘COSEH 8100’UNDER PATENTMay 27, 2040
- COSEH 6100PP33322Helleborus plant named ‘COSEH 6100’UNDER PATENTJuly 17, 2040
- COSEH 7400PP33583Helleborus plant named ‘COSEH 7400’UNDER PATENTOctober 14, 2040
- COSEH 6400PP33584Helleborus plant named ‘COSEH 6400’UNDER PATENTOctober 14, 2040
- COSEH 6500PP33779Helleborus plant named ‘COSEH 6500’UNDER PATENTDecember 4, 2040
- COSEH 5800PP34203Helleborus plant named ‘COSEH 5800’UNDER PATENTOctober 29, 2041
- COSEH 6200PP34231Helleborus plant named ‘COSEH 6200’UNDER PATENTOctober 29, 2041
- GRUHEL02PP34314Helleborus plant named ‘GRUHEL02’UNDER PATENTOctober 29, 2041
- ET EPB 1717PP34456Helleborus plant named ‘ET EPB 1717’UNDER PATENTNovember 18, 2041
- HL 1012PP34843Helleborus plant named ‘HL 1012’UNDER PATENTJuly 12, 2042
- HL 1010PP34932Helleborus plant named ‘HL 1010’UNDER PATENTJuly 12, 2042
- ET EPB 716PP35239Helleborus plant named ‘ET EPB 716’UNDER PATENTNovember 22, 2042
- ET EPB SM 14PP35240Helleborus plant named ‘ET EPB SM 14’UNDER PATENTNovember 22, 2042
- ET EPB 731PP35383Helleborus plant named ‘ET EPB 731’UNDER PATENTDecember 6, 2042
- Table MountainPP35771Helleborus plant named ‘Table Mountain’UNDER PATENTAugust 19, 2043
- Pike's PeakPP36018Helleborus plant named ‘Pike's Peak’UNDER PATENTAugust 19, 2043
- Hollowtop MountainPP36036Helleborus plant named ‘Hollowtop Mountain’UNDER PATENTAugust 19, 2043
- HG 1428PP36095Helleborus plant named ‘HG 1428’UNDER PATENTNovember 14, 2043
- HLR 320PP36108Helleborus plant named ‘HLR 320’UNDER PATENTNovember 14, 2043
- HM 1214PP36156Helleborus plant named ‘HM 1214’UNDER PATENTNovember 14, 2043
- HER 1210PP36157Helleborus plant named ‘HER 1210’UNDER PATENTNovember 14, 2043
- HG 1416PP36158Helleborus plant named ‘HG 1416’UNDER PATENTNovember 14, 2043
- HG 1420PP36159Helleborus plant named ‘HG 1420’UNDER PATENTNovember 14, 2043
- HON 1610PP36160Helleborus plant named ‘HON 1610’UNDER PATENTNovember 14, 2043
- HM 1216PP36181Helleborus plant named ‘HM 1216’UNDER PATENTNovember 14, 2043
- HG 1414PP36182Helleborus plant named ‘HG 1414’UNDER PATENTNovember 14, 2043
- HF 1112PP36183Helleborus plant named ‘HF 1112’UNDER PATENTNovember 14, 2043
- HG 1426PP36194Helleborus plant named ‘HG 1426’UNDER PATENTNovember 14, 2043
- HF 1110PP36195Helleborus plant named ‘HF 1110’UNDER PATENTNovember 14, 2043
- HM 1212PP36365Helleborus plant named ‘HM 1212’UNDER PATENTNovember 14, 2043
- HM 1220PP36366Helleborus plant named ‘HM 1220’UNDER PATENTNovember 14, 2043
- HM 1224PP36378Helleborus plant named ‘HM 1224’UNDER PATENTNovember 14, 2043
- HG 1412PP36399Helleborus plant named ‘HG 1412’UNDER PATENTNovember 14, 2043
- HG 1418PP36453Helleborus plant named ‘HG 1418’UNDER PATENTNovember 14, 2043
- HM 1218PP36477Helleborus plant named ‘HM 1218’UNDER PATENTNovember 14, 2043
- HG 1410PP36512Helleborus plant named ‘HG 1410’UNDER PATENTNovember 14, 2043
- HM 1210PP36563Helleborus plant named ‘HM 1210’UNDER PATENTNovember 14, 2043
- HM 1222PP36630Helleborus plant named ‘HM 1222’UNDER PATENTNovember 14, 2043
- HF 1118PP36208Helleborus plant named ‘HF 1118’UNDER PATENTNovember 15, 2043
- HL 1020PP36109Helleborus plant named ‘HL 1020’UNDER PATENTNovember 22, 2043
- HL 1014PP36130Helleborus plant named ‘HL 1014’UNDER PATENTNovember 22, 2043
- HL 1016PP36184Helleborus plant named ‘HL 1016’UNDER PATENTNovember 22, 2043
- HL 1018PP36478Helleborus plant named ‘HL 1018’UNDER PATENTNovember 22, 2043
- HL 1022PP36096Helleborus plant named ‘HL 1022’UNDER PATENTNovember 24, 2043
- HL 1028PP36110Helleborus plant named ‘HL 1028’UNDER PATENTNovember 24, 2043
- HL 1026PP36162Helleborus plant named ‘HL 1026’UNDER PATENTNovember 24, 2043
- HL 1030PP36163Helleborus plant named ‘HL 1030’UNDER PATENTNovember 24, 2043
- HL 1038PP36164Helleborus plant named ‘HL 1038’UNDER PATENTNovember 24, 2043
- HL 1042PP36165Helleborus plant named ‘HL 1042’UNDER PATENTNovember 24, 2043
- HL 1044PP36166Helleborus plant named ‘HL 1044’UNDER PATENTNovember 24, 2043
- HL 1046PP36167Helleborus plant named ‘HL 1046’UNDER PATENTNovember 24, 2043
- HL 1040PP36185Helleborus plant named ‘HL 1040’UNDER PATENTNovember 24, 2043
- HL 1024PP36196Helleborus plant named ‘HL 1024’UNDER PATENTNovember 24, 2043
- HL 1034PP36408Helleborus plant named ‘HL 1034’UNDER PATENTNovember 24, 2043
- HL 1036PP36573Helleborus plant named ‘HL 1036’UNDER PATENTNovember 24, 2043
- HF 1116PP36279Helleborus plant named ‘HF 1116’UNDER PATENTNovember 30, 2043
- HF 1114PP36639Helleborus plant named ‘HF 1114’UNDER PATENTDecember 6, 2043
- HON 1612PP36278Helleborus plant named ‘HON 1612’UNDER PATENTDecember 26, 2043
- ET EPB 855PP36161Helleborus plant named ‘ET EPB 855’UNDER PATENTJanuary 24, 2044
- ET EPB 728PP36609Helleborus plant named ‘ET EPB 728’UNDER PATENTJanuary 24, 2044
- Borusmura25PP36772Helleborus plant named ‘Borusmura25’UNDER PATENTNovember 21, 2044
- Borusmura38PP36773Helleborus plant named ‘Borusmura38’UNDER PATENTNovember 21, 2044
- Borusmura40PP36774Helleborus plant named ‘Borusmura40’UNDER PATENTNovember 21, 2044
- Flevo 20-11-101PP37189Helleborus plant named ‘Flevo 20-11-101’UNDER PATENTMay 31, 2045
- Flevo 21-13-371PP37190Helleborus plant named ‘Flevo 21-13-371’UNDER PATENTMay 31, 2045
- Flevo 20-11-034PP37204Helleborus plant named ‘Flevo 20-11-034’UNDER PATENTMay 31, 2045
Already in the public domain — 10 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.
- HGC JoshuaPP17957Helleborus plant named ‘HGC Joshua’PUBLIC DOMAINFebruary 17, 2026
- HGC JacobPP17799Helleborus plant named ‘HGC Jacob’PUBLIC DOMAINDecember 30, 2025
- WalhelivorPP16199Helleborus plant named ‘Walhelivor’PUBLIC DOMAINAugust 20, 2024
- HGC Double SurprisePP15530Helleborus plant named ‘HGC Double Surprise’PUBLIC DOMAINJune 28, 2024
- HGC Josef LemperPP15615Helleborus plant named ‘HGC Josef Lemper’PUBLIC DOMAINJune 28, 2024
- HGC Lady FrecklePP15618Helleborus plant named ‘HGC Lady Freckle’PUBLIC DOMAINJune 28, 2024
- HGC SilvermoonPP15639Helleborus plant named ‘HGC Silvermoon’PUBLIC DOMAINJune 28, 2024
- HGC JerichoPP15640Helleborus plant named ‘HGC Jericho’PUBLIC DOMAINJune 28, 2024
- HGC Green CorsicanPP15641Helleborus plant named ‘HGC Green Corsican’PUBLIC DOMAINJune 28, 2024
- HGC MerlinPP15705Helleborus plant named ‘HGC Merlin’PUBLIC DOMAINJune 28, 2024
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.