Genus
Cornus
68 US plant patents have been granted in this genus. 33 are already in the public domain — anyone may propagate and sell them. The next of the 35 still protected comes off patent on June 12, 2027.
Still under patent — 35 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
- KF 111-1PP22219Interspecific hybrid dogwood tree designated ‘KF 111-1’UNDER PATENTNovember 7, 2029
- NM1PP22089Flowering dogwood tree named ‘NM1’UNDER PATENTDecember 3, 2029
- 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
- MADI-IIPP26653Dogwood plant named ‘MADI-II’UNDER PATENTJuly 31, 2034
- NCCH1PP26542Interspecific hybrid dogwood named ‘NCCH1’UNDER PATENTAugust 1, 2034
- 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
- NCCE1PP28998Evergreen dogwood plant named ‘NCCE1’UNDER PATENTJune 8, 2036
- 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 — 33 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
- Appalachian JoyPP18238Dogwood tree named ‘Appalachian Joy’PUBLIC DOMAINDecember 27, 2025
- Missy's Appalachian MorningPP18292Dogwood tree named ‘Missy's Appalachian Morning’PUBLIC DOMAINDecember 27, 2025
- KF1-1PP17768Interspecific hybrid Dogwood Tree designated ‘KF1-1’PUBLIC DOMAINAugust 1, 2025
- KN30-8PP16309Interspecific Cornus hybrid designated KN30-8PUBLIC DOMAINApril 11, 2024
- RutnutPP15219Dogwood tree named ‘Rutnut’PUBLIC DOMAINDecember 16, 2022
- Gold BraidPP13085Dogwood tree named ‘Gold Braid’PUBLIC DOMAINFebruary 2, 2021
- Cream CrackerPP12830Cornus alba plant named ‘Cream Cracker’PUBLIC DOMAINDecember 15, 2020
- Kay's Appalachian MistPP13098Dogwood tree named ‘Kay's Appalachian Mist’PUBLIC DOMAINSeptember 5, 2020
- Jean's Appalachian SnowPP13099Dogwood tree named ‘Jean's Appalachian Snow’PUBLIC DOMAINSeptember 5, 2020
- Karen's Appalachian BlushPP13165Dogwood tree named ‘Karen's Appalachian Blush’PUBLIC DOMAINSeptember 5, 2020
- Eternal DogwoodPP13069Dogwood tree named ‘Eternal Dogwood’PUBLIC DOMAINSeptember 23, 2019
- White LovePP11654Dogwood tree named `White Love`PUBLIC DOMAINSeptember 23, 2018
- Comco No. 1PP10166Dogwood tree `Comco No. 1`PUBLIC DOMAINDecember 18, 2015
- cv. ParasolPP8703Cornus kousa variety cv. ParasolPUBLIC DOMAINJune 23, 2013
- BailhaloPP8722Compact shrub dogwood--Bailhalo cultivarPUBLIC DOMAINDecember 8, 2012
- BenifujiPP8676Pink dogwood "Benifuji"PUBLIC DOMAINJuly 27, 2012
- Spring GrovePP8500Dogwood tree "Spring Grove"PUBLIC DOMAINOctober 8, 2011
- Phillips Pink No. 1PP8518Dogwood tree `Phillips Pink No. 1`PUBLIC DOMAINOctober 7, 2011
- D-184-11PP8213Dogwood tree named `D-184-11`PUBLIC DOMAINAugust 5, 2011
- D-376-15PP8214Dogwood tree -- named `D-376-15`PUBLIC DOMAINAugust 5, 2011
- GalaxyPP7204Dogwood tree--`Galaxy`PUBLIC DOMAINOctober 26, 2008
- AuroraPP7205Dogwood tree "Aurora"PUBLIC DOMAINOctober 26, 2008
- RutfanPP7206Dogwood tree `Rutfan`PUBLIC DOMAINOctober 26, 2008
- Stellar PinkPP7207Dogwood tree -- `Stellar Pink`PUBLIC DOMAINOctober 26, 2008
- ConstellationPP7210Dogwood tree `Constellation`PUBLIC DOMAINOctober 26, 2008
- SunsetPP6305Dogwood tree "Sunset"PUBLIC DOMAINOctober 28, 2006
- DaybreakPP6320Dogwood tree "Daybreak"PUBLIC DOMAINOctober 28, 2006
- Pink PrincessPP6195Flowering dogwood--Pink Princess varietyPUBLIC DOMAINJanuary 10, 2006
- White Flowering Dogwood-- World's Fair varietyPP4869PUBLIC DOMAINMarch 16, 2001
- Dogwood treePP4444PUBLIC DOMAINJuly 10, 1998
- Pink DogwoodPP4300Dogwood treePUBLIC DOMAINSeptember 16, 1997
- imperial whitePP4242Dogwood tree -- imperial white varietyPUBLIC DOMAINApril 18, 1995
A patent expiring frees the plant, and its cultivar name comes with it — cultivar names cannot be trademarked, so they are always free to use. What it does not free is any brand name the plant is marketed under. Those are trademarks and renew indefinitely.