Genus
Tulbaghia
6 US plant patents have been granted in this genus. 1 is already in the public domain — anyone may propagate and sell it. The next of the 5 still protected comes off patent on April 11, 2033.
Still under patent — 5 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Hinetul1PP25293Tulbaghia plant named ‘Hinetul1’UNDER PATENTApril 11, 2033
- HimbaPP27385Tulbaghia plant named ‘Himba’UNDER PATENTAugust 25, 2035
- AshantiPP27404Tulbaghia plant named ‘Ashanti’UNDER PATENTAugust 25, 2035
- Savanna LightningPP27405Tulbaghia plant named ‘Savanna Lightning’UNDER PATENTSeptember 10, 2035
- FlamingoPP32405Tulbaghia plant named ‘Flamingo’UNDER PATENTMay 22, 2039
Already in the public domain — 1 cultivar
Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.
- PertaylorPP9019Tulbaghia plant named "Pertaylor"PUBLIC DOMAINNovember 24, 2013
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.