Plant
Dicentra
16 US plant patents name this plant. 3 have expired, so those cultivars are free to propagate and sell. The next of the 13 still protected comes off patent on April 14, 2028.
Still under patent — 13 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- RekkaPP20058Dicentra plant named ‘Rekka’UNDER PATENTApril 14, 2028
- Spring MagicPP20322Dicentra plant named ‘Spring Magic’UNDER PATENTJuly 14, 2028
- Burning HeartsPP20797Dicentra plant named ‘Burning Hearts’UNDER PATENTNovember 10, 2028
- Red FountainPP21269Variety of dicentra plant named ‘Red Fountain’UNDER PATENTNovember 12, 2028
- HORDIVALPP22739Dicentra plant named ‘HORDIVAL’UNDER PATENTMay 28, 2030
- Fire IslandPP22488Dicentra plant named ‘Fire Island’UNDER PATENTSeptember 1, 2030
- Amore PinkPP25601Dicentra plant named ‘Amore Pink’UNDER PATENTDecember 12, 2033
- Amore RosePP25623Dicentra plant named ‘Amore Rose’UNDER PATENTDecember 12, 2033
- Love HeartsPP26565Dicentra plant named ‘Love Hearts’UNDER PATENTAugust 12, 2034
- White GoldPP27638Dicentra plant named ‘White Gold’UNDER PATENTJune 29, 2035
- Pink DiamondsPP32380Dicentra plant named ‘Pink Diamonds’UNDER PATENTNovember 8, 2039
- Amore TitaniumPP35856Dicentra plant named ‘Amore Titanium’UNDER PATENTFebruary 21, 2043
- White DiamondsPP36680Dicentra plant named ‘White Diamonds’UNDER PATENTNovember 22, 2044
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.
- Ivory HeartsPP15599Variety of Dicentra plant named ‘Ivory Hearts’PUBLIC DOMAINApril 20, 2023
- Candy HeartsPP14692Variety of dicentra plant named ‘Candy Hearts’PUBLIC DOMAINApril 16, 2023
- SnowflakesPP8480Dicentra eximia `Snowflakes`PUBLIC DOMAINNovember 25, 2011
Botanically this is Dicentra. 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.