Plant
Allamanda
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 May 19, 2027.
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Caramel BlushPP19540Allamanda plant named ‘Caramel Blush’UNDER PATENTMay 19, 2027
- Siam SnowPP19908Allamanda plant named ‘Siam Snow’UNDER PATENTJune 5, 2027
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.
- BCT9810ALLPP13435Allamanda plant named ‘BCT9810ALL’PUBLIC DOMAINDecember 8, 2021
Botanically this is Allamanda. 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.