Plant

Rhamnus

3 US plant patents name this plant. 1 has expired, so that cultivar is free to propagate and sell. The next of the 2 still protected comes off patent on November 5, 2039.

Still under patent — 2 cultivars

Soonest to come off patent first. You may not propagate these for sale until the date shown.

SMNRFBLPP32502Rhamnus plant named ‘SMNRFBL’UNDER PATENTNovember 5, 2039
SMNRFBTPP32503Rhamnus tree named ‘SMNRFBT’UNDER PATENTNovember 5, 2039

Already in the public domain — 1 cultivar

Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.

Ron WilliamsPP14791Rhamnus plant named ‘Ron Williams’PUBLIC DOMAINJuly 21, 2023

Botanically this is Rhamnus. 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.