Genus
Lysimachia
8 US plant patents have been granted in this genus. 4 are already in the public domain — anyone may propagate and sell them. The next of the 4 still protected comes off patent on May 11, 2030.
Still under patent — 4 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Midnight SunPP22242Lysimachia plant named ‘Midnight Sun’UNDER PATENTMay 11, 2030
- HillyssunPP33106Lysimachia plant named ‘Hillyssun’UNDER PATENTMarch 19, 2040
- Night LightPP33931Lysimachia plant named ‘Night Light’UNDER PATENTAugust 29, 2041
- FireflyPP33932Lysimachia plant named ‘Firefly’UNDER PATENTAugust 29, 2041
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.
- JumboPP15356Lysimachia plant named ‘Jumbo’PUBLIC DOMAINFebruary 21, 2024
- WalgoldalexPP13547Lysimachia plant named ‘Walgoldalex’PUBLIC DOMAINApril 25, 2021
- Golden HarvestPP11133Lysimachia plant named `Golden Harvest`PUBLIC DOMAINMarch 26, 2018
- AlexanderPP10598Lysimachia punctata plant named `Alexander`PUBLIC DOMAINMarch 31, 2017
A patent expiring frees the plant, and its cultivar name comes with it — cultivar names cannot be trademarked, so they are always free to use. What it does not free is any brand name the plant is marketed under. Those are trademarks and renew indefinitely.