Genus
Spigelia
2 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 2 still protected comes off patent on January 8, 2044.
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Apple SlicesPP36254Spigelia plant named ‘Apple Slices’UNDER PATENTJanuary 8, 2044
- Orange SlicesPP36721Spigelia plant named ‘Orange Slices’UNDER PATENTJuly 25, 2044
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.