Plant
Eupatorium
9 US plant patents name this plant. 2 have expired, so those cultivars are free to propagate and sell. The next of the 7 still protected comes off patent on June 16, 2028.
Still under patent — 7 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Baby JoePP20320Eupatorium plant named ‘Baby Joe’UNDER PATENTJune 16, 2028
- SnowballPP22869Eupatorium plant named ‘Snowball’UNDER PATENTFebruary 7, 2031
- CapriPP24843Eupatorium plant named ‘Capri’UNDER PATENTApril 21, 2033
- AllmelodyPP28206Eupatorium plant named ‘Allmelody’UNDER PATENTFebruary 25, 2036
- Summer SnowPP31128Eupatorium plant named ‘Summer Snow’UNDER PATENTNovember 13, 2038
- DoeuplipyPP34196Eupatorium plant named ‘Doeuplipy’UNDER PATENTOctober 12, 2041
- Blind DatePP35173Eupatorium perfoliatum plant named ‘Blind Date’UNDER PATENTNovember 28, 2042
Already in the public domain — 2 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.
- PhantomPP18354Eupatorium plant named ‘Phantom’PUBLIC DOMAINJuly 27, 2026
- Little JoePP16122Eupatorium plant named ‘Little Joe’PUBLIC DOMAINMarch 22, 2024
Botanically this is Eupatorium. 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.