Plant
Calendula
17 US plant patents name this plant. 1 has expired, so that cultivar is free to propagate and sell. The next of the 16 still protected comes off patent on September 5, 2034.
Still under patent — 16 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- 20123-5DPP26664Calendula plant named ‘20123-5D’UNDER PATENTSeptember 5, 2034
- 20124-30DPP26663Calendula plant named ‘20124-30D’UNDER PATENTSeptember 6, 2034
- 20124-RPP26718Calendula plant named ‘20124-R’UNDER PATENTSeptember 6, 2034
- 20123-72DPP26717Calendula plant named ‘20123-72D’UNDER PATENTDecember 13, 2034
- 20123-107DPP26804Calendula plant named ‘20123-107D’UNDER PATENTDecember 19, 2034
- 20123-57DPP26980Calendula plant named ‘20123-57D’UNDER PATENTJanuary 16, 2035
- 20123-29DPP26845Calendula plant named ‘20123-29D’UNDER PATENTJanuary 17, 2035
- 20123-91DPP26981Calendula plant named ‘20123-91D’UNDER PATENTJanuary 27, 2035
- KERCALSUNPP29994Calendula plant named ‘KERCALSUN’UNDER PATENTJanuary 25, 2037
- CDAZ0001PP30188Calendula plant named ‘CDAZ0001’UNDER PATENTJuly 7, 2037
- CDAZ0002PP30189Calendula plant named ‘CDAZ0002’UNDER PATENTJuly 7, 2037
- CDAZ0003PP30518Calendula plant named ‘CDAZ0003’UNDER PATENTJuly 10, 2037
- KercaldivaPP30517Calendula plant named ‘Kercaldiva’UNDER PATENTSeptember 14, 2037
- KercaldiyellPP30869Calendula plant named ‘Kercaldiyell’UNDER PATENTJuly 12, 2038
- KERCALTANPP31157Calendula plant named ‘KERCALTAN’UNDER PATENTOctober 25, 2038
- KercaldivimpPP32626Calendula plant named ‘Kercaldivimp’UNDER PATENTApril 9, 2040
Already in the public domain — 1 cultivar
Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.
- Sumden 01PP15034Calendula plant named ‘Sumden 01’PUBLIC DOMAINSeptember 6, 2023
Botanically this is Calendula. 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.