Plant
Fast-growing willow
6 US plant patents name this plant. 6 have expired, so those cultivars are free to propagate and sell.
Already in the public domain — 6 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.
- OtiscoPP17997Fast-growing willow shrub named ‘Otisco’PUBLIC DOMAINJanuary 29, 2026
- Tully ChampionPP17946Fast-growing willow shrub named ‘Tully Champion’PUBLIC DOMAINJanuary 16, 2026
- MillbrookPP17646Fast-growing willow shrub named ‘Millbrook’PUBLIC DOMAINOctober 6, 2025
- OneidaPP17682Fast-growing willow shrub named ‘Oneida’PUBLIC DOMAINOctober 6, 2025
- Fish CreekPP17710Fast-growing willow shrub named ‘Fish Creek’PUBLIC DOMAINOctober 6, 2025
- CanastotaPP17724Fast-growing willow shrub named ‘Canastota’PUBLIC DOMAINOctober 6, 2025
Botanically this is Salix. 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.