Plant
Artemisia
8 US plant patents name this plant. 2 have expired, so those cultivars are free to propagate and sell. The next of the 6 still protected comes off patent on October 31, 2031.
Still under patent — 6 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- DueparethioPP23017Artemisia plant named ‘Dueparethio’UNDER PATENTOctober 31, 2031
- TNARTMSPP30968Artemisia plant named ‘TNARTMS’UNDER PATENTMay 29, 2038
- G18123PP33773Artemisia plant named ‘G18123’UNDER PATENTJune 22, 2041
- BalfernarcPP33774Artemisia plant named ‘Balfernarc’UNDER PATENTAugust 29, 2041
- BalfernlymPP33775Artemisia plant named ‘Balfernlym’UNDER PATENTAugust 29, 2041
- Silver LiningPP36888Artemisia plant named ‘Silver Lining’UNDER PATENTDecember 12, 2043
Already in the public domain — 2 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.
- Golden PhoenixPP16046Artemisia plant named ‘Golden Phoenix’PUBLIC DOMAINOctober 4, 2023
- Oriental LimelightPP12788Artemisia plant named ‘Oriental Limelight’PUBLIC DOMAINAugust 16, 2020
Botanically this is Artemisia. 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.