Plant
Exacum
5 US plant patents name this plant. 5 have expired, so those cultivars are free to propagate and sell.
Already in the public domain — 5 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.
- Blue RopendelPP7224Exacum plant named Blue RopendelPUBLIC DOMAINNovember 18, 2008
- Best RosePP6927Exacum plant `Best Rose`PUBLIC DOMAINJanuary 11, 2008
- White RosettePP6102Exacum named White RosettePUBLIC DOMAINFebruary 24, 2006
- Blue RosettePP6154Exacum named Blue RosettePUBLIC DOMAINFebruary 24, 2006
- ExacumPP5914Double Exacum whitePUBLIC DOMAINMarch 12, 2005
Botanically this is Exacum. A patent expiring frees the plant, and its cultivar name with it — cultivar names cannot be trademarked. Any brand name it is sold under is a separate thing and may still be owned.