Plant
Calycanthus
5 US plant patents name this plant. 1 has expired, so that cultivar is free to propagate and sell. The next of the 4 still protected comes off patent on February 3, 2032.
Still under patent — 4 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- AphroditePP24014Calycanthus plant named ‘Aphrodite’UNDER PATENTFebruary 3, 2032
- Burgundy SpicePP28886Calycanthus plant named ‘Burgundy Spice’UNDER PATENTDecember 15, 2036
- SMNCAFPP33550Calycanthus plant named ‘SMNCAF’UNDER PATENTSeptember 30, 2040
- PRNCFSPP37242Calycanthus plant named ‘PRNCFS’UNDER PATENTDecember 2, 2044
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.
- VenusPP15925Hybrid Calycanthus plant named ‘Venus’PUBLIC DOMAINNovember 24, 2023
Botanically this is Calycanthus. 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.