Genus
Asplenium
4 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 4 still protected comes off patent on January 16, 2028.
Still under patent — 4 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Crispy WavePP20949Asplenium plant named ‘Crispy Wave’UNDER PATENTJanuary 16, 2028
- VITASPHURPP28746Asplenium plant named ‘VITASPHUR’UNDER PATENTApril 22, 2036
- CampioPP30949Asplenium plant named ‘Campio’UNDER PATENTMay 25, 2037
- YUASPGIOPP34453Asplenium plant named ‘YUASPGIO’UNDER PATENTMarch 21, 2042
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.