Plant
Seedling rose
2 US plant patents name this plant. 2 have expired, so those cultivars are free to propagate and sell.
Already in the public domain — 2 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.
- HilsetPP4983Seedling rose named HilsetPUBLIC DOMAINAugust 14, 2001
- Seedling rose plantPP4631PUBLIC DOMAINAugust 15, 1999
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.