Genus

Albizia

3 US plant patents have been granted in this genus. 1 is already in the public domain — anyone may propagate and sell it. The next of the 2 still protected comes off patent on August 31, 2029.

Still under patent — 2 cultivars

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

Nurcar 10PP21990Albizia plant named ‘Nurcar 10’UNDER PATENTAugust 31, 2029
NCAJ1PP25813Albizia julibrissin tree name ‘NCAJ1’UNDER PATENTJanuary 31, 2034

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.

Summer ChocolatePP13822Albizia julibrissin tree named ‘Summer Chocolate’PUBLIC DOMAINSeptember 14, 2020

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.