Plant
Ageratum
15 US plant patents name this plant. 10 have expired, so those cultivars are free to propagate and sell. The next of the 5 still protected comes off patent on January 3, 2028.
Still under patent — 5 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- AgadeftPP20479Ageratum plant named ‘Agadeft’UNDER PATENTJanuary 3, 2028
- AgrosPP21626Ageratum plant named ‘Agros’UNDER PATENTJuly 9, 2029
- AgbapurPP21565Ageratum plant named ‘Agbapur’UNDER PATENTSeptember 28, 2029
- AgbabulPP21445Ageratum plant named ‘Agbabul’UNDER PATENTSeptember 29, 2029
- AgerboyumaPP36798Ageratum plant named ‘Agerboyuma’UNDER PATENTOctober 16, 2044
Already in the public domain — 10 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- AgpatbicpuliPP18186Ageratum plant named ‘Agpatbicpuli’PUBLIC DOMAINMay 18, 2026
- AgbicPP17721Ageratum plant named ‘Agbic’PUBLIC DOMAINOctober 28, 2025
- AgalibPP17117Ageratum plant named ‘Agalib’PUBLIC DOMAINAugust 19, 2025
- Sage85015PP17417Ageratum plant named ‘Sage85015’PUBLIC DOMAINJuly 3, 2025
- Sage80091PP17184Ageratum plant named ‘Sage80091’PUBLIC DOMAINJune 27, 2025
- Sage00591PP17344Ageratum plant named ‘Sage00591’PUBLIC DOMAINJune 6, 2025
- AgrosamtisPP15631Ageratum plant named ‘Agrosamtis’PUBLIC DOMAINJune 25, 2024
- AgsantisPP15289Ageratum plant named ‘Agsantis’PUBLIC DOMAINJanuary 10, 2023
- AgmontisPP15301Ageratum plant named ‘Agmontis’PUBLIC DOMAINJanuary 10, 2023
- AgetisPP15627Ageratum plant named ‘Agetis’PUBLIC DOMAINJuly 11, 2022
Botanically this is Ageratum. 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.