Plant
Picea
7 US plant patents name this plant. 3 have expired, so those cultivars are free to propagate and sell. The next of the 4 still protected comes off patent on December 16, 2041.
Still under patent — 4 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
Already in the public domain — 3 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.
- HaalPP11473Picea glauca plant named `Haal`PUBLIC DOMAINDecember 12, 2017
- Blue WonderPP10933Picea glauca plant named `Blue Wonder`PUBLIC DOMAINJuly 3, 2017
- GebellePP10643Picea pungens, GebellePUBLIC DOMAINJanuary 21, 2017
Botanically this is Picea. 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.