Genus
Mentha
30 US plant patents have been granted in this genus. 13 are already in the public domain — anyone may propagate and sell them. The next of the 17 still protected comes off patent on August 3, 2028.
Still under patent — 17 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- MetoliusPP21053Mint plant named ‘Metolius’UNDER PATENTAugust 3, 2028
- Meadow MintPP25108Mint plant ‘Meadow Mint’UNDER PATENTMarch 25, 2033
- HooDoo MintPP25109Mint plant ‘HooDoo Mint’UNDER PATENTMarch 25, 2033
- Everest MintPP25138Mint plant ‘Everest Mint’UNDER PATENTMarch 25, 2033
- Chelan MintPP25415Mint plant named ‘Chelan Mint’UNDER PATENTJune 22, 2033
- Steens MintPP25439Mint plant ‘Steens Mint’UNDER PATENTJune 22, 2033
- Canyon MintPP25440Mint plant ‘Canyon Mint’UNDER PATENTJune 22, 2033
- Boulder MintPP25441Mint plant ‘Boulder Mint’UNDER PATENTJune 23, 2033
- Ochoco MintPP27602Mint plant ‘Ochoco Mint’UNDER PATENTMay 18, 2036
- Blue Mountain MintPP27603Mint plant named ‘Blue Mountain Mint’UNDER PATENTMay 18, 2036
- Teton MintPP27604Mint plant ‘Teton Mint’UNDER PATENTMay 18, 2036
- PendletonPP28700Peppermint plant named ‘Pendleton’UNDER PATENTMay 18, 2036
- Jefferson SpearmintPP28363Mint plant named ‘Jefferson Spearmint’UNDER PATENTJune 21, 2036
- KlondikePP28673Mint plant named ‘Klondike’UNDER PATENTJune 21, 2036
- PalisadePP35037Peppermint plant named ‘Palisade’UNDER PATENTSeptember 30, 2041
- MP18PP35260Mint plant named ‘MP18’UNDER PATENTSeptember 7, 2042
- AllmefreshimpPP37179Mentha plant named ‘Allmefreshimp’UNDER PATENTMay 31, 2045
Already in the public domain — 13 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.
- Cim IndusPP16474Mint plant named ‘Cim Indus’PUBLIC DOMAINMarch 30, 2024
- KushalPP16566Mint plant ‘Kushal’ for late transplantingPUBLIC DOMAINMarch 31, 2023
- ClackamasPP14450Mint plant named ‘Clackamas’PUBLIC DOMAINJuly 12, 2022
- McKenziePP14480Mint plant named ‘McKenzie’PUBLIC DOMAINJuly 12, 2022
- AquamintPP13720Mint plant named ‘Aquamint’PUBLIC DOMAINNovember 6, 2021
- Snowcones PurplePP12971Mentha plant named ‘Snowcones Purple’PUBLIC DOMAINMay 27, 2021
- Snowcones WhitePP12975Mentha plant named ‘Snowcones White’PUBLIC DOMAINMay 27, 2021
- PranjalPP14090Peppermint plant named ‘Pranjal’PUBLIC DOMAINFebruary 16, 2021
- SakshamPP13279Mint plant named ‘Saksham’PUBLIC DOMAINNovember 27, 2020
- SambhavPP14538Mint plant named ‘Sambhav’PUBLIC DOMAINJanuary 18, 2020
- NeerkalkaPP12030Hybrid mint plant named ‘Neerkalka’PUBLIC DOMAINSeptember 2, 2018
- KosiPP12426Mint plant named ‘Kosi’PUBLIC DOMAINSeptember 2, 2018
- Cascade MitchamPP11788Mint plant ‘Cascade Mitcham’PUBLIC DOMAINApril 30, 2017
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.