Genus
Aspidistra
3 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 3 still protected comes off patent on May 31, 2033.
Still under patent — 3 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- LEELASPIBLPP25378Aspidistra plant named ‘LEELASPIBL’UNDER PATENTMay 31, 2033
- Barr01PP29562Aspidistra plant named ‘Barr01’UNDER PATENTAugust 7, 2037
- HANADO RAKU NO 1PP36855Aspidistra plant named ‘HANADO RAKU NO 1’UNDER PATENTDecember 21, 2043
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.