Genus
Gasteria
6 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 6 still protected comes off patent on March 23, 2031.
Still under patent — 6 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- WT10PP23622Gasteria plant named ‘WT10’UNDER PATENTMarch 23, 2031
- Green StarPP24763Gasteria plant named ‘Green Star’UNDER PATENTFebruary 7, 2033
- Royal WolfgangPP25667Gasteria plant named ‘Royal Wolfgang’UNDER PATENTFebruary 4, 2034
- AMIAL1622PP29138Gasteria plant named ‘AMIAL1622’UNDER PATENTFebruary 3, 2037
- D TigaPP29488Gasteria plant named ‘D Tiga’UNDER PATENTMarch 3, 2037
- D DuePP29665Gasteria plant named ‘D Due’UNDER PATENTMarch 4, 2037
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.