Genus
Rudbeckia
80 US plant patents have been granted in this genus. 3 are already in the public domain — anyone may propagate and sell them. The next of the 77 still protected comes off patent on July 7, 2028.
Still under patent — 77 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Early Bird GoldPP20286Rudbeckia plant named ‘Early Bird Gold’UNDER PATENTJuly 7, 2028
- Little GoldstarPP22397Rudbeckia plant named ‘Little Goldstar’UNDER PATENTMarch 9, 2031
- Little HenryPP23590Rudbeckia plant named ‘Little Henry’UNDER PATENTDecember 28, 2031
- ET-RDB 03PP25206Rudbeckia plant named ‘ET-RDB 03’UNDER PATENTMay 29, 2033
- ET-RDB 02PP25243Rudbeckia plant named ‘ET-RDB 02’UNDER PATENTMay 31, 2033
- ET-RDB 01PP25221Rudbeckia plant named ‘ET-RDB 01’UNDER PATENTJune 25, 2033
- BalrudoshPP25496Rudbeckia plant named ‘Balrudosh’UNDER PATENTDecember 18, 2033
- American Gold RushPP28498Rudbeckia plant named ‘American Gold Rush’UNDER PATENTDecember 4, 2035
- ET RDB 410PP29163Rudbeckia plant named ‘ET RDB 410’UNDER PATENTOctober 8, 2036
- RRISU01-0PP29532Rudbeckia plant named ‘RRISU01-0’UNDER PATENTOctober 13, 2036
- ET RDB 404PP29164Rudbeckia plant named ‘ET RDB 404’UNDER PATENTOctober 15, 2036
- ET RDB 401PP29209Rudbeckia plant named ‘ET RDB 401’UNDER PATENTOctober 19, 2036
- ET RDB 402PP29210Rudbeckia plant named ‘ET RDB 402’UNDER PATENTOctober 19, 2036
- BullRudi 06PP29118Variety of Rudbeckia plant named ‘BullRudi 06’UNDER PATENTNovember 29, 2036
- BullRudi 02PP29956Variety of Rudbeckia plant named ‘BullRudi 02’UNDER PATENTDecember 23, 2036
- BullRudi 01PP29497Variety of Rudbeckia plant named ‘BullRudi 01’UNDER PATENTJanuary 11, 2037
- BullRudi 03PP29531Variety of Rudbeckia plant named ‘BullRudi 03’UNDER PATENTJanuary 11, 2037
- BullRudi 05PP29569Variety of Rudbeckia plant named ‘BullRudi 05’UNDER PATENTJanuary 12, 2037
- Glitters like GoldPP30933Rudbeckia plant named ‘Glitters like Gold’UNDER PATENTJanuary 11, 2038
- RUDHT37PP30657Rudbeckia plant named ‘RUDHT37’UNDER PATENTApril 23, 2038
- RUDHT17PP30700Rudbeckia plant named ‘RUDHT17’UNDER PATENTApril 23, 2038
- RUDHT55PP30726Rudbeckia plant named ‘RUDHT55’UNDER PATENTApril 23, 2038
- RUDHT53PP30727Rudbeckia plant named ‘RUDHT53’UNDER PATENTApril 23, 2038
- RUDHT25PP30728Rudbeckia plant named ‘RUDHT25’UNDER PATENTApril 23, 2038
- ET RDB 603PP31765Rudbeckia plant named ‘ET RDB 603’UNDER PATENTMay 7, 2039
- ET RDB 621PP31788Rudbeckia plant named ‘ET RDB 621’UNDER PATENTMay 7, 2039
- RubsolPP32454Rudbeckia plant named ‘Rubsol’UNDER PATENTSeptember 5, 2039
- RRICG02-0PP32386Rudbeckia plant named ‘RRICG02-0’UNDER PATENTOctober 17, 2039
- RUDBR159PP32568Rudbeckia plant named ‘RUDBR159’UNDER PATENTFebruary 7, 2040
- RUDLU203PP32572Rudbeckia plant named ‘RUDLU203’UNDER PATENTFebruary 7, 2040
- RUDLO175PP32902Rudbeckia plant named ‘RUDLO175’UNDER PATENTFebruary 7, 2040
- RUDLE169PP32918Rudbeckia plant named ‘RUDLE169’UNDER PATENTFebruary 7, 2040
- RUDTI124PP32962Rudbeckia plant named ‘RUDTI124’UNDER PATENTFebruary 7, 2040
- RUDFA538PP32453Rudbeckia plant named ‘RUDFA538’UNDER PATENTFebruary 15, 2040
- RUDPA297PP32488Rudbeckia plant named ‘RUDPA297’UNDER PATENTFebruary 15, 2040
- RUDBK166PP32569Rudbeckia plant named ‘RUDBK166’UNDER PATENTFebruary 15, 2040
- RUDLS291PP32570Rudbeckia plant named ‘RUDLS291’UNDER PATENTFebruary 15, 2040
- RUDBL242PP32571Rudbeckia plant named ‘RUDBL242’UNDER PATENTFebruary 15, 2040
- ET RDB 18-30PP32891Rudbeckia plant named ‘ET RDB 18-30’UNDER PATENTMay 14, 2040
- ET RDB 17-42PP32892Rudbeckia plant named ‘ET RDB 17-42’UNDER PATENTMay 14, 2040
- ET RDB 17-16PP32901Rudbeckia plant named ‘ET RDB 17-16’UNDER PATENTMay 14, 2040
- G16223PP33490Rudbeckia plant named ‘G16223’UNDER PATENTJuly 28, 2040
- BullRudi 07PP33346Rudbeckia plant named ‘BullRudi 07’UNDER PATENTNovember 12, 2040
- BullRudi 08PP33347Rudbeckia plant named ‘BullRudi 08’UNDER PATENTNovember 12, 2040
- BullRudi 09PP33575Rudbeckia plant named ‘BullRudi 09’UNDER PATENTNovember 12, 2040
- BullRudi 11PP33933Rudbeckia plant named ‘BullRudi 11’UNDER PATENTAugust 12, 2041
- BullRudi 14PP33934Rudbeckia plant named ‘BullRudi 14’UNDER PATENTAugust 12, 2041
- BullRudi 13PP33935Rudbeckia plant named ‘BullRudi 13’UNDER PATENTAugust 12, 2041
- BullRudi 12PP33936Rudbeckia plant named ‘BullRudi 12’UNDER PATENTAugust 12, 2041
- BullRudi 15PP34552Rudbeckia plant named ‘BullRudi 15’UNDER PATENTAugust 12, 2041
- BullRudi 10PP34788Rudbeckia plant named ‘BullRudi 10’UNDER PATENTAugust 12, 2041
- Sweet as HoneyPP34972Rudbeckia plant named ‘Sweet as Honey’UNDER PATENTOctober 29, 2041
- ET RDB 751PP34593Rudbeckia plant named ‘ET RDB 751’UNDER PATENTFebruary 17, 2042
- ET RDB 816PP34654Rudbeckia plant named ‘ET RDB 816’UNDER PATENTFebruary 17, 2042
- ET RDB 949PP34655Rudbeckia plant named ‘ET RDB 949’UNDER PATENTFebruary 17, 2042
- ET RDB 818PP34656Rudbeckia plant named ‘ET RDB 818’UNDER PATENTFebruary 17, 2042
- ET RDB 803PP34676Rudbeckia plant named ‘ET RDB 803’UNDER PATENTFebruary 17, 2042
- ET RDB 801PP34864Rudbeckia plant named ‘ET RDB 801’UNDER PATENTMarch 4, 2042
- BullRudihir 116PP35350Rudbeckia plant named ‘BullRudihir 116’UNDER PATENTOctober 27, 2042
- BullRudihir 117PP35362Rudbeckia plant named ‘BullRudihir 117’UNDER PATENTOctober 27, 2042
- BullRudihir 118PP35363Rudbeckia plant named ‘BullRudihir 118’UNDER PATENTOctober 27, 2042
- Lion CubPP35628Rudbeckia plant named ‘Lion Cub’UNDER PATENTJune 28, 2043
- Sun StreamPP35772Rudbeckia plant named ‘Sun Stream’UNDER PATENTJune 28, 2043
- BullRudihir 119PP35871Rudbeckia plant named ‘BullRudihir 119’UNDER PATENTNovember 17, 2043
- BullRudihir 120PP36021Rudbeckia plant named ‘BullRudihir 120’UNDER PATENTJanuary 16, 2044
- BullRudihir 121PP36086Rudbeckia plant named ‘BullRudihir 121’UNDER PATENTFebruary 20, 2044
- Green Eyed LadyPP36640Rudbeckia plant named ‘Green Eyed Lady’UNDER PATENTFebruary 20, 2044
- Summer SiennaPP37162Rudbeckia plant named ‘Summer Sienna’UNDER PATENTSeptember 26, 2044
- Treasure TrovePP36594Rudbeckia plant named ‘Treasure Trove’UNDER PATENTNovember 22, 2044
- RUDBDIV658PP36815Rudbeckia plant named ‘RUDBDIV658’UNDER PATENTJanuary 24, 2045
- RUDBSUN303PP36816Rudbeckia plant named ‘RUDBSUN303’UNDER PATENTJanuary 24, 2045
- RUDBCHR650PP37142Rudbeckia plant named ‘RUDBCHR650’UNDER PATENTJanuary 24, 2045
- RUDBBCH767PP37224Rudbeckia plant named ‘RUDBBCH767’UNDER PATENTJune 9, 2045
- RUDBKST704PP37236Rudbeckia plant named ‘RUDBKST704’UNDER PATENTJune 9, 2045
- RUDBSS851PP37237Rudbeckia plant named ‘RUDBSS851’UNDER PATENTJune 9, 2045
- RUDLPIR734PP37250Rudbeckia plant named ‘RUDLPIR734’UNDER PATENTJune 9, 2045
- BullRudihir 123PP37436Rudbeckia plant named ‘BullRudihir 123’UNDER PATENTJune 11, 2045
Already in the public domain — 3 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.
- Black BeautyPP12648Rudbeckia plant named ‘Black Beauty’PUBLIC DOMAINDecember 29, 2019
- Pot Of GoldPP11929Rudbeckia plant named ‘Pot Of Gold’PUBLIC DOMAINApril 15, 2019
- ViettePP8867Rudbeckia plant named Viette's Little SuzyPUBLIC DOMAINAugust 3, 2013
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.