Genus
Alyssum
1 US plant patent has been granted in this genus. 0 are already in the public domain — anyone may propagate and sell them. The next of the 1 still protected comes off patent on January 11, 2034.
Still under patent — 1 cultivar
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Golden SpringPP25710Alyssum plant named ‘Golden Spring’UNDER PATENTJanuary 11, 2034
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.