Plant
Mentha
3 US plant patents name this plant. 2 have expired, so those cultivars are free to propagate and sell. The next of the 1 still protected comes off patent on May 31, 2045.
Still under patent — 1 cultivar
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- AllmefreshimpPP37179Mentha plant named ‘Allmefreshimp’UNDER PATENTMay 31, 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.
- Snowcones PurplePP12971Mentha plant named ‘Snowcones Purple’PUBLIC DOMAINMay 27, 2021
- Snowcones WhitePP12975Mentha plant named ‘Snowcones White’PUBLIC DOMAINMay 27, 2021
Botanically this is Mentha. 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.