Plant
Gaura lindheimeri
5 US plant patents name this plant. 5 have expired, so those cultivars are free to propagate and sell.
Already in the public domain — 5 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.
- My MelodyPP14557Gaura lindheimeri plant named ‘My Melody’PUBLIC DOMAINNovember 4, 2022
- Cherry BrandyPP14581Gaura lindheimeri plant named ‘Cherry Brandy’PUBLIC DOMAINNovember 4, 2022
- BensoPP14661Gaura lindheimeri plant named ‘Benso’PUBLIC DOMAINMay 30, 2022
- ColsoPP14815Gaura lindheimeri plant named ‘Colso’PUBLIC DOMAINMay 30, 2022
- Crimson ButterfliesPP13189Gaura lindheimeri plant named ‘Crimson Butterflies’PUBLIC DOMAINApril 18, 2021
Botanically this is Oenothera. 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.