Plant
Heliopsis
20 US plant patents name this plant. 4 have expired, so those cultivars are free to propagate and sell. The next of the 16 still protected comes off patent on June 24, 2031.
Still under patent — 16 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Summer StripePP23391Heliopsis plant named ‘Summer Stripe’UNDER PATENTJune 24, 2031
- Summer GreenPP23410Heliopsis plant named ‘Summer Green’UNDER PATENTJune 24, 2031
- SunstruckPP25524Heliopsis plant named ‘Sunstruck’UNDER PATENTDecember 10, 2033
- Double SunstruckPP26608Heliopsis plant named ‘Double Sunstruck’UNDER PATENTDecember 2, 2034
- InhelsodorPP29819Heliopsis plant named ‘Inhelsodor’UNDER PATENTMarch 31, 2037
- Funky SpinnerPP33715Heliopsis plant named ‘Funky Spinner’UNDER PATENTApril 23, 2041
- Fire TwisterPP33733Heliopsis plant named ‘Fire Twister’UNDER PATENTApril 23, 2041
- Bit of HoneyPP35063Heliopsis plant named ‘Bit of Honey’UNDER PATENTApril 28, 2042
- Luna RojaPP34988Heliopsis plant named ‘Luna Roja’UNDER PATENTAugust 23, 2042
- VAR006PP36364Heliopsis plant named ‘VAR006’UNDER PATENTMay 7, 2044
- VENSGCPP36938Heliopsis plant named ‘VENSGC’UNDER PATENTNovember 6, 2044
- Touch of BlushPP36739Heliopsis plant named ‘Touch of Blush’UNDER PATENTNovember 25, 2044
- Rays for DaysPP37266Heliopsis plant named ‘Rays for Days’UNDER PATENTApril 25, 2045
- Forged in FirePP37356Heliopsis plant named ‘Forged in Fire’UNDER PATENTSeptember 9, 2045
- SundialPP37407Heliopsis plant named ‘Sundial’UNDER PATENTOctober 14, 2045
- Sunny DispositionPP37343Heliopsis plant named ‘Sunny Disposition’UNDER PATENTNovember 13, 2045
Already in the public domain — 4 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.
- Tuscan SunPP18763Heliopsis plant named ‘Tuscan Sun’PUBLIC DOMAINAugust 18, 2026
- Prairie SunsetPP13779Heliopsis plant named ‘Prairie Sunset’PUBLIC DOMAINDecember 4, 2021
- Bressingham doubloonPP11270Heliopsis plant named `Bressingham doubloon`PUBLIC DOMAINAugust 11, 2017
- Loraine SunshinePP10690Heliopsis plant named `Loraine Sunshine`PUBLIC DOMAINJuly 25, 2017
Botanically this is Heliopsis. 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.