Genus
Chamaesyce
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 December 10, 2030.
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- SUMMER SNOWPP23030Variety of Chamaesyce plant named ‘SUMMER SNOW’UNDER PATENTDecember 10, 2030
- DochastaduclewhiPP33821Chamaesyce plant named ‘Dochastaduclewhi’UNDER PATENTApril 23, 2041
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.