Plant
Sisyrinchium
3 US plant patents name this plant. 0 have expired, so those cultivars are free to propagate and sell. The next of the 3 still protected comes off patent on October 30, 2029.
Still under patent — 3 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- SunsisicrePP21799Sisyrinchium plant named ‘Sunsisicre’UNDER PATENTOctober 30, 2029
- SunsisikiPP21800Sisyrinchium plant named ‘Sunsisiki’UNDER PATENTOctober 30, 2029
- SunsisibuPP21801Sisyrinchium plant named ‘Sunsisibu’UNDER PATENTOctober 30, 2029
Botanically this is Sisyrinchium. 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.