Plant
Oxalis
5 US plant patents name this plant. 4 have expired, so those cultivars are free to propagate and sell. The next of the 1 still protected comes off patent on March 7, 2031.
Still under patent — 1 cultivar
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- JroxachvelPP23063Oxalis plant named ‘Jroxachvel’UNDER PATENTMarch 7, 2031
Already in the public domain — 4 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.
- JroxblavelPP17556Oxalis plant named ‘Jroxblavel’PUBLIC DOMAINSeptember 27, 2025
- JroxburwiPP17557Oxalis plant named ‘Jroxburwi’PUBLIC DOMAINSeptember 27, 2025
- JroxfrojaPP17558Oxalis plant named ‘Jroxfroja’PUBLIC DOMAINSeptember 27, 2025
- AmaranthaPP13971Oxalis plant named ‘Amarantha’PUBLIC DOMAINMay 6, 2022
Botanically this is Oxalis. 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.