Plant
Carex
21 US plant patents name this plant. 2 have expired, so those cultivars are free to propagate and sell. The next of the 19 still protected comes off patent on February 6, 2028.
Still under patent — 19 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Ice BalletPP20228Carex plant named ‘Ice Ballet’UNDER PATENTFebruary 6, 2028
- REKOHU SUNRISEPP20512Carex plant named ‘REKOHU SUNRISE’UNDER PATENTAugust 9, 2028
- CarFit01PP20955Carex plant named ‘CarFit01’UNDER PATENTNovember 12, 2028
- EverilloPP21002Carex plant named ‘Everillo’UNDER PATENTMarch 25, 2029
- Ice CreamPP21463Carex plant named ‘Ice Cream’UNDER PATENTAugust 10, 2029
- EveroroPP23406Carex plant named ‘Everoro’UNDER PATENTSeptember 14, 2031
- Spark PlugPP24597Carex plant name ‘Spark Plug’UNDER PATENTJanuary 29, 2033
- EverdiPP25086Carex plant named ‘Everdi’UNDER PATENTApril 8, 2033
- EverlimePP25622Carex plant named ‘Everlime’UNDER PATENTJanuary 11, 2034
- EversheenPP25938Carex plant named ‘Eversheen’UNDER PATENTMarch 11, 2034
- ET CRX01PP26199Carex plant named ‘ET CRX01’UNDER PATENTMay 3, 2034
- FicrePP27967Carex plant named ‘Ficre’UNDER PATENTSeptember 18, 2035
- Straw HatPP29432Carex pensylvanica plant named ‘Straw Hat’UNDER PATENTMarch 7, 2036
- EverlitePP28568Carex plant named ‘Everlite’UNDER PATENTMarch 19, 2036
- ET CRX02PP29950Carex plant named ‘ET CRX02’UNDER PATENTJune 12, 2037
- EverglowPP30466Carex plant named ‘Everglow’UNDER PATENTDecember 18, 2037
- MMCreamPP31542Carex plant named ‘MMCream’UNDER PATENTOctober 12, 2038
- ET CRX 904PP35022Carex plant named ‘ET CRX 904’UNDER PATENTSeptember 9, 2042
- Lunar FallsPP37205Carex plant named ‘Lunar Falls’UNDER PATENTJuly 19, 2045
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.
- Treasure IslandPP16332Carex plant named ‘Treasure Island’PUBLIC DOMAINApril 8, 2025
- Lemon ZestPP14463Carex siderosticha plant named ‘Lemon Zest’PUBLIC DOMAINJune 2, 2023
Botanically this is Carex. 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.