Plant
Spray carnation
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.
- MedleyPP8561Spray carnation named MedleyPUBLIC DOMAINNovember 4, 2012
- White OpalePP8959Spray carnation named White OpalePUBLIC DOMAINNovember 4, 2012
- OpalePP8185Spray carnation named OpalePUBLIC DOMAINNovember 12, 2011
- StagitenPP8512Spray carnation named StagitenPUBLIC DOMAINOctober 21, 2011
- StagigiPP8724Spray carnation named StagigiPUBLIC DOMAINOctober 21, 2011
- LonbankirPP7047Spray carnation named LonbankirPUBLIC DOMAINOctober 11, 2008
- LonduciPP7048Spray carnation named LonduciPUBLIC DOMAINOctober 11, 2008
- LongpolPP7242Spray carnation named LongpolPUBLIC DOMAINOctober 11, 2008
- LonchezuPP7301Spray carnation named LonchezuPUBLIC DOMAINOctober 11, 2008
- LondiskraPP7306Spray carnation named LondiskraPUBLIC DOMAINOctober 11, 2008
Botanically this is Dianthus. 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.