Plant
Azalea hybrid
10 US plant patents name this plant. 10 have expired, so those cultivars are free to propagate and sell.
Already in the public domain — 10 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.
- ConleePP10567Azalea hybrid variety named `Conlee`PUBLIC DOMAINApril 8, 2017
- ConledPP10568Azalea hybrid `Conled`PUBLIC DOMAINApril 8, 2017
- ConlefPP10579Azalea hybrid variety named `Conlef`PUBLIC DOMAINApril 8, 2017
- ConlecPP10580Azalea hybrid `Conlec`PUBLIC DOMAINApril 8, 2017
- ConlebPP10581Azalea hybrid variety named `Conleb`PUBLIC DOMAINApril 8, 2017
- ConleaPP10438Azalea hybrid variety named `Conlea`PUBLIC DOMAINAugust 8, 2016
- Paul A. KohlPP9125Azalea hybrid plant `Paul A. Kohl`PUBLIC DOMAINMarch 18, 2014
- Billie DeePP7530Azalea hybrid `Billie Dee`PUBLIC DOMAINMay 16, 2009
- Rachel BandyPP7416Azalea hybrid `Rachel Bandy`PUBLIC DOMAINMay 15, 2009
- Jessica DawnPP7457Azalea hybrid `Jessica Dawn`PUBLIC DOMAINMay 12, 2009
Botanically this is Rhododendron. 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.