Genus
Convolvulus
3 US plant patents have been granted in this genus. 2 are already in the public domain — anyone may propagate and sell them. The next of the 1 still protected comes off patent on February 28, 2037.
Still under patent — 1 cultivar
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Blue MoonPP29319Convolvulus plant named ‘Blue Moon’UNDER PATENTFebruary 28, 2037
Already in the public domain — 2 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- Sumcov 01PP15856Convolvulus plant named ‘Sumcov 01’PUBLIC DOMAINJanuary 16, 2024
- Moroccan BeautyPP15104Convolvulus plant named ‘Moroccan Beauty’PUBLIC DOMAINNovember 3, 2023
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.