Plant
Oak
26 US plant patents name this plant. 12 have expired, so those cultivars are free to propagate and sell. The next of the 14 still protected comes off patent on December 13, 2026.
Still under patent — 14 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- QSSTHPP19854Oak tree named ‘QSSTH’UNDER PATENTDecember 13, 2026
- QNSTGPP19858Oak tree named ‘QNSTG’UNDER PATENTDecember 13, 2026
- AdelinePP20615Oak tree named ‘Adeline’UNDER PATENTDecember 28, 2027
- TaylorPP21359Hybrid oak tree named ‘Taylor’UNDER PATENTDecember 2, 2028
- TaborPP21382Oak tree named ‘Tabor’UNDER PATENTDecember 29, 2028
- BetterredPP24813Oak tree named ‘Betterred’UNDER PATENTJuly 7, 2032
- GreenenvyPP24837Oak tree named ‘Greenenvy’UNDER PATENTJuly 16, 2032
- JFS-KW2QXPP24442Hybrid oak tree named ‘JFS-KW2QX’UNDER PATENTNovember 23, 2032
- Green NovaPP28342Oak tree named ‘Green Nova’UNDER PATENTAugust 27, 2035
- OchlockneePP28344Oak tree named ‘Ochlocknee’UNDER PATENTSeptember 18, 2035
- DahlonegaPP28343Oak tree named ‘Dahlonega’UNDER PATENTOctober 15, 2035
- HowlerPP28345Oak tree named ‘Howler’UNDER PATENTOctober 15, 2035
- HopeulikitPP28402Oak tree named ‘Hopeulikit’UNDER PATENTOctober 15, 2035
- MillikenPP33590Oak tree named ‘Milliken’UNDER PATENTNovember 19, 2040
Already in the public domain — 12 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.
- QXMTFPP18495Oak tree named ‘QXMTF’PUBLIC DOMAINMay 31, 2026
- NadlerPP17604Oak tree named ‘Nadler’PUBLIC DOMAINFebruary 4, 2025
- AFTO-1PP16862White oak tree named ‘AFTO-1’PUBLIC DOMAINDecember 12, 2024
- QNSTCPP16401Oak tree named ‘QNSTC’PUBLIC DOMAINAugust 10, 2024
- QNSTDPP16254Oak tree named ‘QNSTD’PUBLIC DOMAINAugust 6, 2024
- QSFTCPP14424Oak tree named ‘QSFTC’PUBLIC DOMAINApril 17, 2022
- QNFTAPP13524Oak tree named ‘QNFTA’PUBLIC DOMAINApril 27, 2021
- Palmetto Pin OakPP12145Oak tree named ‘Palmetto Pin Oak’PUBLIC DOMAINOctober 27, 2019
- ClemonsPP11431Oak tree named `Clemons`PUBLIC DOMAINApril 28, 2018
- LongPP12673Oak tree named ‘Long’PUBLIC DOMAINJanuary 14, 2018
- CrimschmidtPP9103Oak tree `Crimschmidt`PUBLIC DOMAINMay 2, 2014
- Oak treePP4149PUBLIC DOMAINNovember 15, 1994
Botanically this is Quercus. 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.