Plant
Hardenbergia
4 US plant patents name this plant. 1 has expired, so that cultivar is free to propagate and sell. The next of the 3 still protected comes off patent on June 10, 2029.
Still under patent — 3 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- RambosprayPP21249Hardenbergia violacea plant named ‘Rambospray’UNDER PATENTJune 10, 2029
- HB1.08PP25657Hardenbergia violacea plant named ‘HB1.08’UNDER PATENTOctober 2, 2033
- HB2PP28682Hardenbergia violacea plant named ‘HB2’UNDER PATENTSeptember 21, 2036
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.
- EasyPP10117Hardenbergia plant named `Free `N` Easy`PUBLIC DOMAINMay 16, 2016
Botanically this is Hardenbergia. 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.