Plant
Acer
17 US plant patents name this plant. 4 have expired, so those cultivars are free to propagate and sell. The next of the 13 still protected comes off patent on September 16, 2026.
Still under patent — 13 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Garnet TowerPP18561Acer palmatum plant named ‘Garnet Tower’UNDER PATENTSeptember 16, 2026
- RyusenPP18501Acer palmatum plant named ‘Ryusen’UNDER PATENTSeptember 26, 2026
- JSC KingstwoPP25302Acer rubrum named ‘JSC Kingstwo’UNDER PATENTSeptember 11, 2032
- JefUMPP27278Acer ginnala tree named ‘JefUM’UNDER PATENTNovember 30, 2034
- Chacer01PP29301Acer palmatum tree named ‘Chacer01’UNDER PATENTJune 30, 2036
- JWW8PP30090Acer plant named ‘JWW8’UNDER PATENTJuly 12, 2037
- JWW7PP30091Acer tree named ‘JWW7’UNDER PATENTJuly 12, 2037
- MONFRICKPP31864Acer palmatum tree named ‘MONFRICK’UNDER PATENTFebruary 19, 2039
- ARJOS1PP32420Acer palmatum tree named ‘ARJOS1’UNDER PATENTMay 21, 2039
- VolcanoPP32542Acer tree named ‘Volcano’UNDER PATENTApril 1, 2040
- SONKOOT6PP33918Acer plant named ‘SONKOOT6’UNDER PATENTJune 17, 2041
- SONKOOT9PP33919Acer plant named ‘SONKOOT9’UNDER PATENTJune 17, 2041
- Autken1PP36842Acer tree named ‘Autken1’UNDER PATENTJune 9, 2044
Already in the public domain — 4 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.
- MUNN 001PP16718Acer shirasawanum plant named ‘MUNN 001’PUBLIC DOMAINOctober 14, 2024
- Fujinami NishikiPP15910Acer palmatum plant named ‘Fujinami Nishiki’PUBLIC DOMAINJanuary 31, 2023
- Beni Shi EnPP9697Acer palmatum named `Beni Shi En`PUBLIC DOMAINJanuary 16, 2016
- Crimson PrincePP7217Acer palmatum "Crimson Prince"PUBLIC DOMAINJune 13, 2008
Botanically this is Acer. 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.