Genus
Omphalodes
3 US plant patents have been granted in this genus. 2 are already in the public domain — anyone may propagate and sell them. The next of the 1 still protected comes off patent on July 24, 2032.
Still under patent — 1 cultivar
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Blue EyesPP24104Omphalodes plant named ‘Blue Eyes’UNDER PATENTJuly 24, 2032
Already in the public domain — 2 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.
- Parisian SkiesPP11364Omphalodes cappadocica plant named `Parisian Skies`PUBLIC DOMAINJune 30, 2018
- Lilac MistPP11317Omphalodes cappadocica plant named `Lilac Mist`PUBLIC DOMAINApril 14, 2018
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.