Genus
Nerium
9 US plant patents have been granted in this genus. 7 are already in the public domain — anyone may propagate and sell them. The next of the 2 still protected comes off patent on August 27, 2034.
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
Already in the public domain — 7 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.
- Turner's 5-387PP10157Nerium oleander plant `Turner's 5-387`PUBLIC DOMAINAugust 19, 2016
- Turner's Tickled PinkPP7619Nerium oleander plant--`Turner's Tickled Pink`PUBLIC DOMAINMay 7, 2010
- Hines HardyPP6616Nerium oleander `Hines Hardy`PUBLIC DOMAINJuly 17, 2007
- Nerium oleander plant -- Turner's CarnivalPP6339PUBLIC DOMAINSeptember 12, 2006
- MonvisPP5866Nerium oleander cv. MonvisPUBLIC DOMAINJuly 8, 2005
- Nerium oleander plant--Turner's Shari DPP5378PUBLIC DOMAINMay 25, 2003
- Little RedPP4836Nerium indicum--Little Red varietyPUBLIC DOMAINSeptember 29, 2000
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.