Genus
Chamaecyparis
16 US plant patents have been granted in this genus. 0 are already in the public domain — anyone may propagate and sell them. The next of the 16 still protected comes off patent on May 8, 2028.
Still under patent — 16 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- LucasPP19948Chamaecyparis plant named ‘Lucas’UNDER PATENTMay 8, 2028
- Dow WhitingPP20883Chamaecyparis plant named ‘Dow Whiting’UNDER PATENTNovember 21, 2028
- MinlemPP22359Chamaecyparis plant named ‘Minlem’UNDER PATENTSeptember 14, 2030
- ConschlechtPP24666Chamaecyparis plant named ‘Conschlecht’UNDER PATENTDecember 2, 2032
- Sunny SmilePP25456Chamaecyparis plant named ‘Sunny Smile’UNDER PATENTJuly 30, 2033
- VersentPP26124Chamaecyparis plant named ‘Versent’UNDER PATENTDecember 11, 2033
- RIKACPMCPP29502Chamaecyparis ‘RIKACPMC’UNDER PATENTDecember 1, 2036
- MonYurPP29503Chamaecyparis plant named ‘MonYur’UNDER PATENTDecember 22, 2036
- FARROWCGMSPP30665Chamaecyparis plant named ‘FARROWCGMS’UNDER PATENTNovember 14, 2037
- SMNCLBFPP30707Chamaecyparis plant named ‘SMNCLBF’UNDER PATENTNovember 14, 2037
- SMNCLGTBPP30708Chamaecyparis plant named ‘SMNCLGTB’UNDER PATENTNovember 14, 2037
- SMNCLMGPP33228Chamaecyparis plant named ‘SMNCLMG’UNDER PATENTSeptember 30, 2040
- SMNCLUTLPP33548Chamaecyparis plant named ‘SMNCLUTL’UNDER PATENTSeptember 30, 2040
- MintaPP35879Chamaecyparis plant named ‘Minta’UNDER PATENTOctober 20, 2043
- RutCham1PP36620Chamaecyparis plant named ‘RutCham1’UNDER PATENTDecember 29, 2043
- Edengra 23PP37313Chamaecyparis plant named ‘Edengra 23’UNDER PATENTSeptember 1, 2045
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.