Plant
Cornus
34 US plant patents name this plant. 4 have expired, so those cultivars are free to propagate and sell. The next of the 30 still protected comes off patent on June 12, 2027.
Still under patent — 30 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- CatoPP19892Cornus plant named ‘Cato’UNDER PATENTJune 12, 2027
- Tri-SplendorPP20008Cornus plant named ‘Tri-Splendor’UNDER PATENTMarch 3, 2028
- SUMMER GOLDPP22765Cornus plant named ‘SUMMER GOLD’UNDER PATENTAugust 3, 2030
- EvaPP22507Cornus plant named ‘Eva’UNDER PATENTAugust 7, 2030
- MelaniePP22508Cornus plant named ‘Melanie’UNDER PATENTAugust 7, 2030
- Golden WeddingPP23460Cornus plant named ‘Golden Wedding’UNDER PATENTJuly 29, 2031
- KV10-105v1PP24952Interspecific Cornus hybrid tree named ‘KV10-105v1’UNDER PATENTMay 23, 2032
- Pam's mountain bouquetPP25575Cornus kousa tree named ‘Pam's mountain bouquet’UNDER PATENTOctober 15, 2032
- Neil ZPP24812Cornus plant named ‘Neil Z’UNDER PATENTJanuary 25, 2033
- ChovozamPP25469Cornus plant named ‘Chovozam’UNDER PATENTApril 4, 2033
- GostmazamPP25457Cornus plant named ‘Gostmazam’UNDER PATENTJune 24, 2033
- JefrebPP27402Cornus plant named ‘Jefreb’UNDER PATENTNovember 22, 2034
- Watashi no GingaPP26991Cornus plant named ‘Watashi no Ginga’UNDER PATENTFebruary 6, 2035
- Powell GardensPP27873Cornus plant named ‘Powell Gardens’UNDER PATENTMay 22, 2035
- RutpinkPP28311Cornus kousa tree designated ‘Rutpink’UNDER PATENTAugust 19, 2035
- ByboughenPP27956Cornus plant named ‘Byboughen’UNDER PATENTSeptember 21, 2035
- JN6PP28936Cornus plant named ‘JN6’UNDER PATENTOctober 5, 2036
- JN13PP29424Cornus plant named ‘JN13’UNDER PATENTJanuary 11, 2037
- Erica's Appalachian SunrisePP32468Cornus florida tree named ‘Erica's Appalachian Sunrise’UNDER PATENTJuly 26, 2039
- Melissa's Mountain SnowfallPP32706Cornus kousa tree named ‘Melissa's Mountain Snowfall’UNDER PATENTAugust 15, 2039
- SMNCSBDPP32351Cornus plant named ‘SMNCSBD’UNDER PATENTNovember 18, 2039
- Verpaalen2PP34377Cornus plant named ‘Verpaalen2’UNDER PATENTJuly 14, 2041
- CORHEESFTPP35268Cornus plant named ‘CORHEESFT’UNDER PATENTJanuary 9, 2043
- VERPAALEN3PP36136Cornus plant named ‘VERPAALEN3’UNDER PATENTJanuary 10, 2044
- NCCH3PP36596Cornus plant named ‘NCCH3’UNDER PATENTJune 28, 2044
- Zelroc3423PP36648Cornus plant named ‘Zelroc3423’UNDER PATENTOctober 30, 2044
- BotfirePP37241Cornus plant named ‘Botfire’UNDER PATENTJanuary 25, 2045
- RutglowPP36985Cornus tree named ‘Rutglow’UNDER PATENTJanuary 27, 2045
- RutstarPP37068Cornus plant named ‘Rutstar’UNDER PATENTJanuary 27, 2045
- Elsie RedPP37251Cornus plant named ‘Elsie Red’UNDER PATENTJune 30, 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.
- FarrowPP18523Cornus plant named ‘Farrow’PUBLIC DOMAINJuly 27, 2026
- KN30-8PP16309Interspecific Cornus hybrid designated KN30-8PUBLIC DOMAINApril 11, 2024
- Cream CrackerPP12830Cornus alba plant named ‘Cream Cracker’PUBLIC DOMAINDecember 15, 2020
- cv. ParasolPP8703Cornus kousa variety cv. ParasolPUBLIC DOMAINJune 23, 2013
Botanically this is Cornus. 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.