Genus
Brugmansia
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 September 17, 2033.
Still under patent — 1 cultivar
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Little AngelPP25292Brugmansia plant named ‘Little Angel’UNDER PATENTSeptember 17, 2033
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.
- Miner's ClaimPP15747Brugmansia plant named ‘Miner's Claim’PUBLIC DOMAINJanuary 3, 2024
- SnowbankPP14817Brugmansia plant named ‘Snowbank’PUBLIC DOMAINAugust 20, 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.