Plant
Paulownia
4 US plant patents name this plant. 0 have expired, so those cultivars are free to propagate and sell. The next of the 4 still protected comes off patent on January 18, 2028.
Still under patent — 4 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Anagenesis TrifoliaPP20499Paulownia tree named ‘Anagenesis Trifolia’UNDER PATENTJanuary 18, 2028
- NRJNJF13PP26652Paulownia tree named ‘NRJNJF13’UNDER PATENTDecember 9, 2033
- WEGROW-B7PP33040Paulownia tree named ‘WEGROW-B7’UNDER PATENTJune 22, 2040
- WEGROW-B6PP34088Paulownia tree named ‘WEGROW-B6’UNDER PATENTMay 3, 2041
Botanically this is Paulownia. 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.