Plant
Andropogon
8 US plant patents name this plant. 1 has expired, so that cultivar is free to propagate and sell. The next of the 7 still protected comes off patent on January 28, 2033.
Still under patent — 7 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Indian WarriorPP24999Andropogon gerardii plant named ‘Indian Warrior’UNDER PATENTJanuary 28, 2033
- Rain DancePP26284Andropogon gerardii plant named ‘Rain Dance’UNDER PATENTFebruary 14, 2034
- Red OctoberPP26283Andropogon gerardii plant named ‘Red October’UNDER PATENTFebruary 15, 2034
- Dancing WindPP26892Andropogon gerardii plant named ‘Dancing Wind’UNDER PATENTJanuary 6, 2035
- BlackhawksPP27949Andropogon gerardii plant named ‘Blackhawks’UNDER PATENTDecember 15, 2035
- Holy SmokePP33929Andropogon gerardii plant named ‘Holy Smoke’UNDER PATENTJanuary 4, 2041
- Blue SteelPP37393Andropogon grass named ‘Blue Steel’UNDER PATENTOctober 14, 2045
Already in the public domain — 1 cultivar
Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.
- Big DaddyPP16162Andropogon plant named ‘Big Daddy’PUBLIC DOMAINJune 22, 2024
Botanically this is Andropogon. 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.