Plant
Cupressus
8 US plant patents name this plant. 4 have expired, so those cultivars are free to propagate and sell. The next of the 4 still protected comes off patent on September 29, 2027.
Still under patent — 4 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- MadelinePP21416Cupressus leylandii tree named ‘Madeline’UNDER PATENTSeptember 29, 2027
- HavfregoPP31474Cupressus plant named ‘Havfrego’UNDER PATENTDecember 11, 2038
- RutCup1PP35159Cupressus plant named ‘RutCup1’UNDER PATENTJune 30, 2042
- GRECQFPP36321Cupressus plant named ‘GRECQF’UNDER PATENTFebruary 24, 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.
- Emerald CrestPP16446Cupressus macrocarpa plant named ‘Emerald Crest’PUBLIC DOMAINMarch 24, 2024
- MonshelPP12933Cupressus sempervirens ‘Monshel’PUBLIC DOMAINOctober 26, 2020
- LimelightPP10178Cupressus glabra plant named `Limelight`PUBLIC DOMAINMay 8, 2016
- Cupressus macrocarpaPP5488Cupressus macrocarpaPUBLIC DOMAINApril 6, 2003
Botanically this is Cupressus. 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.